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Department of Agronomy

Department of Agronomy
Kansas State University
2004 Throckmorton PSC
1712 Claflin Road
Manhattan, KS 66506-0110

Ph: +1-785-532-6101
Fx: +1-785-532-6094

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2013 e-Updates

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MAY 2013

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APRIL 2013

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MARCH 2013

03/29/13

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FEBRUARY 2013

02/22/13

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2012 e-Updates

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DECEMBER 2012

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OCTOBER 2012

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SEPTEMBER 2012

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07/27/12A

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JUNE 2012

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MAY 2012

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APRIL 2012

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MARCH 2012

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JANUARY 2012

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2011 e-Updates

JanFebMarAprMayJunJulAugSeptOctNovDec

DECEMBER

12/23/11

Poultry litter: Nutrient availability, value, and storage practices
Cover Your Acres 2012 Conference
North Central Kansas Experiment Fields Winter Update, January 27
Comparative Vegetation Condition Report: December 6 - 19
Happy Holidays from K-State's Department of Agronomy!

12/16/11

Cotton yields in Kansas in 2011
Earthworm species in Kansas and the U.S.
Comparative Vegetation Condition Report: November 29 - December 12

12/09/11

Factors involved in winter survival of canola in Kansas
Management practices to improve canola winter survival
Soil web app for your Droid phone, iPhone, or iPad
Comparative Vegetation Condition Report: November 22 - December 5

12/02/11

Eastern Redcedar Forage Loss Calculator
Four-year no-till rotations with wheat and grain sorghum in western Kansas
Comparative Vegetation Condition Report: November 15 - 28

NOVEMBER

11/18/11

Flint Hills Smoke Management Plan: Preparing for Year Two
Comparison of Bt events in corn currently on the market
Comparative Vegetation Condition Report: November 1 - 14

11/10/11

What to look for in fall wheat growth and development
Chloride and sulfur as topdressing nutrients for wheat
New herbicide-resistant crops under development
Comparative Vegetation Condition Report: October 25 - November 7

11/04/11

Considerations for applying anhydrous ammonia this fall for 2012 corn crop
Applying anhydrous ammonia under dry soil conditions
Eastern redcedar control on grazinglands
Minimizing storage losses with big round bales
Comparative Vegetation Condition Report: October 18 - 31

OCTOBER

10/28/11

Guide to diagnosis of chlorotic and poor vigor wheat in fall
Symptoms of aluminum toxicity of wheat on low-pH soils
Considerations for planting wheat into grain sorghum, soybean, or sunflower residue
Failed sorghum, planted wheat, and nitrogen rates
Comparative Vegetation Condition Report: October 11 - 24

10/21/11

Timing of cheatgrass herbicides on wheat
Controlling winter annual broadleaf weeds in wheat
Considerations when grazing canola
New canola risk management program
Comparative Vegetation Condition Report: October 4 - 17

10/14/11

Wheat replanting decisions
Tillering potential of wheat covered with soil after emergence
Comparative Vegetation Condition Report: September 27 - October 10

10/07/11

Planning ahead for weed control in Roundup Ready soybeans
Killing old stands of alfalfa
Outlook for fall and winter precipitation
Comparative Vegetation Condition Report: September 20 - October 3

SEPTEMBER

09/30/11

Crop Water-Allocator: Western Kansas-based tool for limited irrigation decision-making
Wheat stubble cutting height affects row crop yields in no-till rotations
Controlling annual weeds with fall-applied herbicides ahead of corn and sorghum
Comparative Vegetation Condition Report: September 13 - 26

09/23/11

Hessian fly fall activity on wheat
Factors that influence Hessian fly fall infestations
Start scouting soon for early fall worms on wheat, new alfalfa seedings, and canola
Comparative Vegetation Condition Report: September 6 - 19

09/16/11

Factors that determine soil infiltration rate
Control strategy for marestail in soybeans
Will soybeans setting pods in late August or early September make a harvestable crop?
Comparative Vegetation Condition Report: August 30 - September 12

09/09/11

Will sorghum mature before first freeze?
Planting wheat into dry soils
The need for volunteer control
Comparative Vegetation Condition Report: August 23 - September 5

09/02/11

Wheat seeding tips for good stand establishment
Insecticide seed treatments for wheat
Stalk rots in grain sorghum
Nutrient management after a failed corn crop
Radishes, turnips, and base acres: Understanding the USDA Farm Service Agency rules
Comparative Vegetation Condition Report: August 16 - 29

AUGUST

08/26/11

Soil water and winter wheat prospects
Precipitation in Kansas: Year-to-date, normal fall amounts, fall outlook
Corn earworms on sorghum and soybeans
Goss's bacterial wilt in corn
Request for help locating suspected glyphosate-resistant Palmer amaranth
Winter canola insurance deadline fast approaching
Comparative Vegetation Condition Report: August 9 - 22

08/22/11

Considerations when Harvesting Drought-Stressed Corn for Grain

08/18/11

Potential value of drought-damaged corn
Comparative Vegetation Condition Report: August 2 - 15

08/12/11

Corn rootworm resistance to Bt trait documented in Iowa
Time to check terraces and plan for needed repairs and maintenance
Terrace Maintenance Demonstration scheduled for August 22
Maintaining grassed waterways
Yellow soybeans and delayed pod set
Comparative Vegetation Condition Report: July 26 - August 8

08/05/11

Start planning now for winter canola planting
Drought Severity Classification: What indicators are used?
National Sorghum Producers Yield and Management Contest
North Central Kansas Experiment Fields to host field day August 16
Centennial Celebration Planned in Tribune at Dryland Ag Day Aug. 17
East Central Experiment Field Crop Production Field Day Aug. 17
South Central Experiment Field to host field day Aug. 23
Agricultural Research Center - Hays Fall Field Day Aug. 24
Southwest Research-Extension Center at Garden City to host field day Aug. 25
Comparative Vegetation Condition Report: July 19 - August 1

JULY

07/29/11

New dual-purpose canola variety recommended for release: Griffin
Update on crop insurance considerations for drought-stressed corn cut for silage
Nitrate toxicity in drought-stressed corn
Effect of heat and drought stress after silking on corn yields
Heat stress reduces pod set in soybeans
Wheat Variety Disease and Insect Ratings for 2011
Comparative Vegetation Condition Report: July 12 - 25

07/22/11

Management options for drought-stressed soybeans
Huskie receives full registration for use in grain or forage sorghum
Irrigated corn: High heat may reduce yields
Irrigation capacity for extreme drought conditions
Crop insurance and drought-damaged crops
Emergency haying and grazing of CRP expanding to more Kansas counties
Management practices for emergency haying and grazing of CRP
Comparative Vegetation Condition Report: July 5 - 18

7/18/11

Comparative Vegetation Condition Report: June 28 - July 11

07/15/11

Formula for estimating corn yield potential
Wheat streak mosaic and seed quality
Interpreting wheat plot yield data
Herbicide carryover from failed corn could affect fall planting decisions
Planning ahead before installing an onsite wastewater treatment system saves money
Note on this week's Comparative Vegetation Condition Report

07/08/11

Factors to consider before burning wheat residue
Controlling pigweeds that survive glyphosate applications
Dealing with ergot in wheat: A follow-up
Feeding value of drought-stressed corn silage
Chinch bugs in grain sorghum
Now is the time to make decisions for fungicide management of gray leaf spot
Reclaiming flooded land: Erosion and sediment management
Reclaiming flooded land: Woody debris
Addendum to article on Sorghum Center (Agronomy eUpdate No. 303, June 24, 2011)
Comparative Vegetation Condition Report: June 21 - July 4

07/01/11

Alfalfa management under drought conditions
Crunch time for Kansas corn crop: The effect of high heat and drought
Reports of ergot in wheat
Annual Oklahoma-Kansas Canola Conferences planned
Comparative Vegetation Condition Report: June 14 - 27

JUNE

06/24/11

Pythium damping off of soybeans
Postemergence control of marestail in summer row crops
Sorghum Center research yields many economic benefits to producers
Comparative Vegetation Condition Report: June 7 - 20

06/17/11

Effect of wheat stubble height on corn/sorghum yields in no-till rotations
Nitrogen fertilization of nitrogen-stressed soybeans
Glume blotch on wheat
Plant analysis for corn
The 7th Annual Ray Lamond Scholarship Golf Outing, July 7
Comparative Vegetation Condition Report: May 31 - June 13

06/10/11

Barley yellow dwarf infections in wheat
Sericea Lespedeza control in rangeland, pasture, and CRP
Late-developing tillers and green heads in wheat
Comparative Vegetation Condition Report: May 24 - June 6

06/03/11

Wheat Genetic and Genomic Resources Center
Common bunt in wheat
Loose smut on wheat: Causes and treatments
Delayed soybean planting: Variety selection, seeding rate, and row spacing
The 7th Annual Ray Lamond Scholarship Golf Outing, July 7
Comparative Vegetation Condition Report: May 17 - 30

MAY

05/27/11

Harvesting short wheat
Early applications of foliar fungicides to corn: Are they a good idea?
Effect of flooded and water-logged soils on corn growth and yield
Saturated soybean fields
Wheat Field Day, May 31
Comparative Vegetation Condition Report: May 10 - 23

05/20/11

Harvesting winter canola in Kansas
Wheat disease update: Leaf rust and stripe rust
South Central Field field day, May 24
Wheat Field Day, May 31
Comparative Vegetation Condition Report: May 3 - 16

05/16/11

Last week's high heat causing 'gaping florets' in wheat
Effect of freeze on wheat in boot and heading stages

05/13/11

High heat and winds could reduce wheat yields
Harvest stressed alfalfa before leaf drop occurs
Recommendations for plant analysis for wheat
Wheat disease update: Low rust activity
Wheat Field Day, May 31
Comparative Vegetation Condition Report: April 26 - May 9

05/06/11

Summer cover crops in a no-till wheat/grain sorghum rotation
The role of management in soil compactability and ability to handle traffic
Evaluating corn stands and early-season growth
False chinch bug found in winter canola
Wheat disease update: Stripe rust, leaf rust, viral diseases
Wheat Field Day, May 31
Comparative Vegetation Condition Report: April 19 - May 2
April climate summary for Kansas

APRIL

04/29/11

Sulfur deficiency symptoms in wheat
Weed of the Month:Common waterhemp
Soybean seed treatments in Kansas
Wheat disease update: Fusarium head blight, leaf rust, and stripe rust
Latest research on wheat to be featured at field day
Changes in classes for this year's Market Wheat Show
Comparative Vegetation Condition Report: April 12 - 25

04/22/11

Fertilization strategies for iron chlorosis in soybeans
Evaluating the need for fungicides in wheat
What is "Wheat's Up"?
2011 Wheat Diagnostic School in Garden City May 11-12
Comparative Vegetation Condition Report: April 5 - April 18

04/15/11

Potential freeze damage to wheat
Is there any value to starter fertilizer on soybeans?
Wheat disease update
Scouting for spring insects in canola
Canola tours scheduled in May
Comparative Vegetation Condition Report: March 29 - April 11

04/08/11

Field diagnosis of wheat problems in central Kansas
Identifying wheat streak mosaic and barley yellow dwarf symptoms
Recropping failed wheat acres
Alfalfa management in drought-stressed areas
Wheat disease update
Continuous vs. rotated corn: Disease considerations
Drought Monitor Index
Comparative Vegetation Condition Report: March 22 - April 4

04/01/11

Kochia control in corn and grain sorghum
Wheat disease update
Kansas Flint Hills Smoke Management Plan: The smoke modeling tool
April burning restrictions - Frequently Asked Questions
Plant Management Network
Comparative Vegetation Condition Report: March 15 - March 28
Photos from March 30 of wheat and alfalfa in southwest Kansas

MARCH

03/25/11

Kochia control in sunflower and soybeans
New avenue for on-farm research in Kansas: Farmer Crop Database
Wheat conditions in south central Kansas
Wheat Yield Contest entry deadline extended to April 8
Comparative Vegetation Condition Report: March 8 - March 21

03/18/11

Kochia control in wheat
Starter fertilizer rates and placement for corn
Corn seeding rate recommendations
Importance of corn stand and emergence uniformity
Kansas Flint Hills Smoke Management Plan: The role of emergency personnel
Foliar nitrogen fertilizer products for wheat
Comparative Vegetation Condition Report: March 1 - 14

03/11/11

First hollow stem in wheat determines timing of management practices
Weed of the Month: Kochia
Kansas Flint Hills Smoke Management Plan: Using a burn plan
Fungicide application decisions
Comparative Vegetation Condition Report: February 22 - March 7

03/04/11

Herbicide resistance in kochia: How widespread is the problem?
Assessing winter damage to alfalfa standsy
Early spring management practices for alfalfa
Winter canola crop update
Kansas Flint Hills Smoke Management Plan: The Burning Decision Support Tool
Good pesticide application recordkeeping
Comparative Vegetation Condition Report: February 15 - 28


FEBRUARY

02/25/11

Brief description of Kansas Flint Hills Smoke Management Plan
Kansas Flint Hills Smoke Management Plan: Burning Liability and Kansas Law
Two new soybean production webcasts
Comparative Vegetation Condition Report: February 8 - 21

02/18/11

Weed of the Month: Marestail
Resources for giving talks or demonstrations on soil and water quality
Kansas Flint Hills Smoke Management Plan: Fire Practices for Smoke Management
Late-winter greenup of poorly developed wheat
Prospects for wheat that has not yet emerged
Can wheat lose winterhardiness during winter warm spells?
Nitrogen fertilization of bromegrass this spring
Comparative Vegetation Condition Report: February 1 - 14

02/11/11

Cover crops improve no-till performance
Winter/spring options for winter annual broadleaf control in wheat
Kansas Flint Hills Smoke Management Plan: Impact on Kansas Ranchers
South Central Experiment Field Update
Comparative Vegetation Condition Report: January 25 - February 7

02/07/11

Tillage Trends in Kansas

02/04/11

Options for distressed wheat
Kansas Flint Hills Smoke Management Plan: How weather patterns affect smoke
No-till and crop rotation research at Tribune
Three new webcasts for sorghum producers
Status of Roundup Ready alfalfa/Fall dormancy and winterhardiness ratings of alfalfa
Comparative Vegetation Condition Report: January 18 - 31
Soil temperature readings on Feb. 2-3 in western Kansas

JANUARY

01/28/11

The state of the K-State wehat breeding program at Manhattan
Kansas Flint Hills Smoke Management Plan: What prompted its development?
Planning for spring-seeded alfalfa
Comparative Vegetation Condition Report: January 11 - 24

01/21/11

Effect of cold temperatures on unemerged wheat
Kansas Flint Hills Smoke Management Plan explained in radio broadcasts
Reasons for burning in the Flint Hills
Availability of phosphorus in manure applications to soil
Potassium fertilization of soybeans open-access webcast
Comparative Vegetation Condition Report: January 3 - 17

01/14/11

Alfalfa weevil control decisions
Wheat variety disease index
Comparative Vegetation Condition Report: December 21 - January 10

01/07/11

Residual herbicide options for Roundup Ready soybeans
Weed of the Month: Henbit
New Agronomist-In-Charge at North Central Kansas Experiement Fields
North Central Kansas Experiment Fields Winter Update
Comparative Vegetation Condition Report: December 21 - January 3

2010 e-Updates

JanFebMarAprMayJunJulAugSeptOctNovDec

DECEMBER

12/23/10

Controlling problem weeds in Roundup Ready Corn
La Nina and the Pineapple Express
Cover Your Acres Conference 2011
Comparative Vegetation Condition Report: December 7- 20
Happy Holidays fromK-State's Department of Agronomy!

12/17/10

Preseason irrigation increases corn yields
Strip-till: How far should seed be planted from fertilizer row?
Comparative Vegetation Condition Report: November 30 - December 13

12/10/10

Measures to reduce wind erosion when wheat stands are thin
Estimating crop residue cover
Topdressing wheat decisions for winter and early spring
Comparative Vegetation Condition Report: November 23 - December 6

12/03/10

Winter survival of poorly developed wheat
Vernalization and yield potential of late-emerging wheat
Grain sorghum hybrid selection
Comparative Vegetation Condition Report: November 16 - 28
Most recent K-State Agronomy webinar

NOVEMBER

11/19/10

Early-season plant growth of canola this fall
Wheat conditions in western Kansas
"Red Flag Warning" in Central Plains
Comparative Vegetation Condition Report: November 2 - 14
Most recent K-State Agronomy webinar

11/12/10

Poor root growth seen in wheat crop
What to look for in fall wheat growth and development
Comparative Vegetation Condition Report: October 26 - November 7

11/05/10

Smoke modeling tool for Flint Hills burning could benefit grassland managers
Soil web app for your Droid phone, iPhone, or iPad
Request for help evaluating the Wheat Fusarium Head Blight Prediction System
Comparative Vegetation Condition Report: October 12 - 26

OCTOBER

10/29/10

Quality of 2010 Kansas wheat crop
Terrace evaluation and maintenance
Comparative Vegetation Condition Report: October 12 - October 26

10/22/10

Considerations for applying anhydrous ammonia for row crops this fall
Deep tillage considerations for fall
Weed control in fall-seeded alfalfa
The problem of locust trees in no-till crop fields
2010 Fall Canola Field Tour
Comparative Vegetation Condition Report: October 5 - 19

10/15/10

Guide to diagnosis of off-color and poor vigor wheat in fall
Considerations when pasturing wheat this fall
Comparative Vegetation Condition Report: September 27 - October 12

10/08/10

Control strategy for marestail in soybeans
Wheat planting decisions under dry conditions
Evaluating wheat stands
Comparative Vegetation Condition Report: September 20 - October 5

10/01/10

New canola variety released
Controlling annual broadleaf and grassy weeds with fall-applied herbicides
♦ "Estimating Soil Texture By Feel" video posted on YouTube
Managing your woodland areas for firewood
Comparative Vegetation Condition Report: September 13 - 28

SEPTEMBER

09/24/10

Utilization and storage of green soybeans
Fall armyworms and army cutworms in wheat, canola, and new alfalfa seedings
Kids Field Day 2010
Comparative Vegetation Condition Report: September 6 - September 21

09/17/10

Gluten: What is it and which crops have it?
Late-season management decisions for alfalfa
Wheat emergence and seedling development concerns
Comparative Vegetation Condition Report: August 31 - September 14

09/10/10

Late-season stalk lodging in corn
Irrigated corn: Possible causes of disappointing yields
Comparative Vegetation Condition Report: August 24 - September 7

09/03/10

Fall applications of fertilizer for cool-season grasses
Bur ragweed control with September treatments
Fall control of woody plants on rangeland
Sunflower preharvest treatments
Fall control of bindweed
Webcast on Bean Pod Mottle Virus
Comparative Vegetation Condition Report: August 17 - 31

AUGUST

08/27/10

Effectiveness of vegetative filter strips at reducing runoff from crop fields
Tips for dealing with common bunt (stinking smut) of wheat
Fall Field Day at South Central Kansas Experiment Field
Comparative Vegetation Condition Report: August 10-24 - Request for feedback

08/20/10

Downy brome control in wheat
Wheat seeding tips for good stand establishment
Stalk rots in grain sorghum
Clarification on herbicide-resistant sorghum lines
Comparative Vegetation Condition Report: August 3 - 17

08/12/10

Recommended wheat seeding rates for Kansas
Insecticide seed treatments for wheat
Bio Energy Field Day, August 19
Historical perspective on current heat wave

08/06/10

Spider mites infesting soybeans
Effect of heat stress on corn, grain sorghum, soybeans, and cotton
Viability of treated, carryover wheat seed
New herbicide-tolerant sorghum getting closer
Comparative Vegetation Condition Report: July 20 - August 3

JULY

07/30/10

Using starter P fertilizer for wheat
Wheat blends: Advantages and disadvantages
Fall can be a good time to plant alfalfa
Comparative Vegetation Condition Report: July 13 - July 27

07/23/10

Canola - a profitable crop for Kansas
Liming prior to fall seedings of alfalfa?
Comparative Vegetation Condition Report: July 6 - July 20

07/16/10

Importance of controlling volunteer wheat
Soil calcium and magnesium levels: Does the ratio make a difference?
Garden webworms in soybeans
Bio Energy Field Day, August 19
Comparative Vegetation Condition Report: Photos from northwest Kansas

07/09/10

Control weeds in wheat stubble before they set seed
Minimizing the risk of applying nitrogen in-season to N-deficient soybeans
K-State, OSU to host winter canola conference July 20 in Enid, Oklahoma
Comparative Vegetation Condition Report: June 20 - July 6

07/2/10

Sericea lespedeza control on rangeland
Reclaiming flooded land: Woody debris
Factors to consider before burning wheat residue
Gray leaf spot alert
Comparative Vegetation Condition Report: June 13-29

JUNE

06/25/10

Preharvest weed control in wheat
Common bunt in wheat
Reclaiming flooded land: Erosion and sediment management
Green snap in corn
Testing standing wheat for protein content
Comparative Vegetation Condition Report: June 6 - 22

06/18/10

Cover crop opportunities after wheat harvest in central and eastern Kansas
Causes of dark heads in wheat
Effect of flooded and water-logged soils on corn growth and yield
Nitrogen loss potential in wet soils
Saturated and flooded soybean fields
Controlling large weeds in Roundup Ready soybean fields
Nonvolatile herbicides may still be subject to drift
Range school opportunities for rangeland managers, landowners, and others
Comparative Vegetation Condition Report: May 31 - June 15

06/11/10

Yield prospects for various doublecrop options
Doublecropping options in northwest and northcentral Kansas
Doublcropping options for southeast Kansas
Herbicide carryover considerations when doublecropping after wheat
Plant analysis for soybeans
Using plant analysis to monitor your corn fertilization program
Comparative Vegetation Condition Report: May 24 - June 8

06/04/10

Field diagnosis of corn in poor condition this spring
Cropping choices after wheat can affect yields of corn planted the following year
Assessing early-season hail damage on corn
Biodiesel and petroleum diesel fuel properties
Comparative Vegetation Condition Report: May 17 - June 1

MAY

05/28/10

Skip-row corn and grain sorghum research
Wheat grain fill development stages
Barley yellow dwarf symptoms, yield losses, and control
Loose smut on wheat: Causes and treatments
Note on this week's Vegetation Condition Report maps

05/21/10

Wheat disease conditions
Nitrogen fertilization of nitrogen-stressed soybeans
Causes of yellow wheat in the spring
Harvesting winter canola in Kansas
2010 Summer Crop Diagnostic Schools0
Comparative Vegetation Condition Report: May 3 - 17

05/17/10

Sorghum poulations and row spacing
Wheat flowering and early kernel development
Symptoms of freeze damage to wheat heads

05/14/10

Effect of prolonged saturated soils on corn seedlings
Disease prediction system for Fusarium head scab on wheat
Wheat and barley producers can sign up for scab alerts
Comparative Vegetation Condition Report: April 27 - May 10

05/07/10

Wheat disease update and alert
Diagnosing wheat freeze injury
Alfalfa cutting decisions after freeze injury
Wheat heading stages of growth
Effects of wheel traffic and cropping intensity on soil physical properties
Comparative Vegetation Condition Report: April 20 - May 4

APRIL

04/30/10

Early-season corn growth
Diagnosing poor corn stands and early-season growth problems
Nutrient deficiency symptoms in corn
Timing of first cutting of alfalfa
Comparative Vegetative Condition Report: April 13-26

04/23/10

Wheat disease update: Stripe rust on the move in Kansas
Questions and Answers on converting CRP to cropland
Flag leaf and boot stages of wheat
Southwest Research-Extension Center Field Day set for May 20
Comparative Vegetation Condition Report: April 7-19

04/16/10

Iron chlorosis of soybeans
Soybean planting dates
Plant analysis for wheat
Winter Canola Field Days Planned April 23 and 28
Comparative Vegetation Condition Report: March 30-April 12

04/09/10

Wheat freeze injury and response to hot, windy periods this spring
Comparative Vegetation Condition Reports
Wheat disease update
Alfalfa weevil alert

04/02/10

Soybean seeding rates
Early spring stages of wheat growth and development
Leaf tip freeze injury and winterkill of wheat
Notice of upcoming webinar on wheat disease conditions

MARCH

03/26/10

Wheat stripe rust and leaf rust update
Evaluating the need for fungicide use in wheat
Spring 2010 field preparations: Risk management for now, planning for later
Army cutworms in winter canola, and other production concerns

03/19/10

Velvetleaf: Growth habits and characteristics
Velvetleaf control in corn, grain sorghum, and soybeans
Soybean planting date/variety maturity research in south central Kansas
Expected increase in efficiency using an RTK guidance system over a WAAS system

03/12/10

Late winter stages of wheat growth and development
Brownfield sites: Soil quality issues in urban agriculture
Intensive crop rotations can minimize some risks of near-surface soil compaction

03/05/10

Foliar nitrogen fertilizer products for wheat
First hollow stem in wheat
Alfalfa response to low and high pH levels
Oat forage production
Corn seeding rates
Should corn seeding rates be adjusted for planting dates and hybrid maturities?

FEBRUARY



02/26/10

Mustard species in Kansas
Control of mustards in wheat
What to avoid putting into onsite water treatment systems

02/22/10

Estimating nitrogen needs for wheat in absence of soil profile N test
Instructions for soil sample collection and mailing

02/19/10

Using satellite imagery to map the spread of eastern redcedar in Kansas
Eastern redcedar control on grazinglands
Timing of soil nitrate sampling for row crops
Topdress nitrogen decisions for very late-planted wheat

02/12/10

Grazing and haying CRP ground after contract expiration
Starter fertilizer rates and placement for corn
Marestail control in Roundup Ready soybeans
Topdressing wheat with N: Timing, application methods, source, and rates
Additional information on Acceleron seed treatment

02/05/10

Kochia: Biology and growth habit
Control of kochia in corn
Soybean seed treatments in Kansas

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JANUARY


01/29/10

Zinc defciency and starter applications in corn
Diagnosing a mysterious case of light-colored streaks in wheat
Atrazine runoff can be minimized this spring
Videos of 2010 In-Depth Agronomy Training sessions available on web

01/22/10

Sedimentation rates of reservoirs in Kansas
Effect of prescribed burn timing on both grasses and undesirable plants
Does stacked-trait corn pay on dryland
NC Kansas Experiment Fields winter update and farewell to Barney Gordon, Feb. 4

01/15/10

Liberty Link soybeans
Cost comparisons of Roundup Ready and conventional soybean programs
Soybean cyst nematode and SDS ratings of varieties in K-State Performance Tests
Soil testing for soybean cyst nematode

01/08/10

Residual herbicide options for Roundup Ready soybeans
Controlling problem broadleaf weeds in Roundup Ready corn
Checking wheat for winter injury

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2009 e-Updates

JanFebMarAprMayJunJulAugSeptOctNovDec

DECEMBER

12/22/09

Potassium fertilization of irrigated corn in reduced-tillage systems
Considerations for growing sesame in 2010
Happy Holidays from K-State's Department of Agronomy!

12/18/09

Using satellite imagery to track spread of Old World bluestem in Kansas grasslands
Changes in soil carbon concentration and structural properties with deficit irrigation
Cover Your Acres Conference Set for Jan. 19-20 in Oberlin

12/11/09

Vertical fillage: What is it and how does it work?
Potential for wheat die-out during the winter
Blackleg found in winter canola fields

12/04/09

The occurrence of ALS-resistant mustards in Kansas
Sudden Death Syndrome in soybeans
Online seminar on Soybean Sudden Death Syndrome
Nitrogen deficiency on wheat this fall

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NOVEMBER

11/25/09

Storage efficiency of off-season irrigation applications in Kansas
Impacts of no-till on water quality

11/20/09

ALS-resistant cheatgrass
Chloride and sulfur as topdressing for wheat
Benefits of timber stand improvement on Kansas farmsteads

11/13/09

Topdressing wheat decisions on early-planted and late-planted wheat
Controlling annual broadleaf and grassy weeds with fall-applied herbicides
Dealing with ruts and packed soils
What to do with moldy grain?

11/06/09

Bird cherry-oat aphids and greenbugs on wheat
Benefit of fungicide seed treatments for late-planted wheat
Tillage practice survey in Kansas

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OCTOBER

10/29/09

Webinar on drying high-moisture corn and soybeans Friday morning
Late planting of wheat
Timing of cheatgrass herbicides
Use of nitrogen in carrier with cheatgrass herbicides

10/23/09

Miscanthus: Management and potential as bioenergy crop in Kansas
Remote sensing analysis of land cover on local, regional, and national scales
This year's weather to date, and outlook for late fall, winter
Potential disease problems on standing corn, grain sorghum, and soybeans

10/16/09

Possible causes of blank heads in grain sorghum
Fall freeze damage to soybeans
Prussic acid and nitrates in sorghum regrowth after harvest
Considerations when pasturing wheat

10/09/09

Hostplant resistance to soybean stem borer
Guide to wheat replant decisions
New herbicide chemistry receives EPA registration

10/02/09

Late-season management decisions for alfalfa
Diagnosing emergence and seedling problems from a fall planting of alfalfa
Canola: Evaluating emergence and early-season growth
Wheat emergence and seedling development concerns

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SEPTEMBER

09/25/09

Investigation of streaks and uneven growth in broadcast/incorporated wheat
Fall control of sericea lespedeza should be done soon
Two-gene Clearfield wheat varieties show improved tolerance to Beyond herbicide
Bur ragweed control with September treatments
Fall control of bindweed
How volunteer Roundup Ready corn may affect dryland wheat yields

09/18/09

Wheat planting date and seeding rate research in northwest Kansas
Crop residue decomposition and nutrient release rates
Nitrogen cycling and production by cover crops
Water repellency of no-till and continuous-cropped soils

09/11/09

Preplant and planting time fertilizer decisions for wheat
Adjusting wheat seeding rates for unfavorable conditions
The importance of fall tillers in wheat yields

09/04/09

Strategies for dealing with wheat seed impacted by head scab
Cool temperatures and sorghum pollination
Avoiding subsoil compaction at harvest

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AUGUST

08/28/09

Early planting of wheat can lead to several problems
Using insecticide seed treatments for fall Hessian fly and greenbug control
Rotation effects on wheat yields

08/21/09

Signup period on now for Conservation Stewardship Program (CSP)
Fertilizing fescue and bromegrass hay meadows and pasture
Liming acid soils for optimum wheat production

08/14/09

New herbicide-resistant crops under development
Potential for nitrate and prussic acid toxicity in summer annual forages
Cover Crops Field Day, September 9

08/07/09

Winter cereal forage options for Kansas
Fall can be a good time to plant alfalfa
Start planning now for winter canola planting
July weather in Kansas: How cool, how wet?

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JULY

07/31/09

Yellow soybeans: Causes and solutions
Control weeds in wheat stubble before they set seed
Maximizing production and quality of hay from summer annual forages

07/24/09

Fungicide seed treatment options in wheat
Soil planning and protection needed in homesite evaluation and establishment

07/17/09

Terrace evaluation and maintenance
Postharvest dormancy can affect germination tests on this year’s wheat seed
Start early and remain vigilant in controlling volunteer wheat
Correction to article on wheat stubble burning

07/10/09

Effect of cropping intensity, tillage, and residue cover on soil properties
Factors to consider before burning wheat residue
Test weights in wheat: Why some are high and some are below average this year
No-till crop rotation research for central and south central Kansas
Wind damage in corn

07/02/09

Possible causes of yellow soybeans
The return of conventional soybean variety performance test
Effect of soil pH on crop yields: Southeast Agricultural Research Center
Black point in harvested wheat grain
New Wheat Variety Disease and Insect Ratings publication now available
Tribute to Bob Bohannon, former K-State Extension Agronomist

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JUNE

06/26/09

Sooty molds in wheat
Barley yellow dwarf infections this year
Sericea lespedeza control
Plant analysis for soybeans

06/19/09

Corn leaf diseases in Kansas
Evaluating non-uniform sorghum stands
Potential corn ear development problems from off-label herbicide applications
Using plant analysis to monitor your corn fertilization program

06/12/09

Diagnosing common nutrient deficiencies in corn and grain sorghum
Chloride fertilization of grain sorghum in north central Kansas
Winter canola crop update

06/05/09

Loose smut on wheat: Causes and treatments
Impact of Best Management Practices on water quality in Cheney Watershed
Head scab on wheat in Kansas

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MAY

05/29/09

Symptoms of take-all in wheat
Assessing early-season hail damage on corn
Effect of stand loss on corn yields

05/22/09

Understanding P and K fertilizer management systems
How to choose the correct GPS and Guidance System for your operation
Plant analysis for wheat: Be sure it’s done at the proper stage of growth

05/15/09

Estimating wheat yields
Cause of whitish layer on the soil surface
Residue in seed furrow causes poor growth in no-till wheat
Annual cover crops in a wheat-fallow system in southwest Kansas

05/08/09

A case of chlorotic wheat in Saline County
Spring musk thistle control
Diagnosing uneven corn height problem
Disease and insect situation in wheat
Wheat Diagnostic School reminder

05/01/09

Implications of delayed corn planting
Effect of flooded and waterlogged soils on corn growth and yield
Diagnosing a problem of poor wheat growth in Ellis County
Fusarium Head Blight alert web site
Nitrogen loss potential in wet soils

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APRIL

04/24/09

Haying and grazing CRP ground after contract expiration
Sesame production in Kansas
Follow-up on freeze damaged wheat in south central

04/17/09

Spring applications of growth regulator herbicides in wheat
Nutrient deficiency symptoms of wheat in spring
Wheat freeze update: Southeast and eastern southcentral Kansas
Effect of the freezes on wheat in southwest Kansas

04/13/09

Kansas wheat freeze injury update
Wheat freeze injury in Saline County

04/10/09

The role of fungicides in controlling Fusarium head scab in wheat
Troubleshooting a wheat development problem in western Kansas
Post-freeze insect activity on wheat and alfalfa
Wheat Diagnostic School in Garden City, May 13-14

04/06/09

Potential freeze damage to wheat
Freeze-damaged corn

04/03/09

Wheat fungicide management decisions
Timing of prescribed burns on warm-season grazinglands
Physical damage to wheat from sleet
Evaluation freeze injury in south central Kansas

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MARCH

03/27/09

Wheat problems in northwest Kansas
Soybean cyst nematode ratings
Corn population recommendations
Should corn seeding rates be adjusted for planting dates and hybrid maturities?

03/20/09

Agricultural practices for soil carbon sequestration
Soil salinity problems in Kansas
Canola Field Tour coming up April 23

03/13/09

Minimizing the risk of corn stalk loss or failure
Kansas Bankers Awards newest categories: Examples of winning practices

03/06/09

Soybean seeding rates
New herbicides registered for corn in Kansas
Prescribed burning of CRP this spring
Spring is the best time to assess soil compaction

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FEBRUARY

02/27/09

First hollow stem in wheat
Nitrogen use by wheat
Eastern gamagrass production in Kansas
Crop production problem diagnosis: Poor wheat greenup

02/20/09

Western and Central Kansas CRP conversion to cropland
Eastern Kansas CRP conversion to cropland
Carbon credits on CRP ground
Crop insurance coverage for land emerging from CRP

02/13/09

Fertilizing fescue and bromegrass hay meadows and pastures
Effects of early greenup in wheat
Soybean seed treatments in Kansas
Late winter/early spring control of cheatgrasses in wheat
New Southwest Area Crops and Soils Specialist

02/06/09

Nitrogen contributions from legume crops: Amounts and availability
Wheat response to foliar application of copper and zinc
Topdressing wheat with N: Timing, application methods, source, and rates
Onsite wastewater treatment system additives

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JANUARY

01/30/09

Spring oats for forage production
Sources of free data for Geographic Information Systems (GIS)
Sorghum populations and row spacing
Winter/spring options for winter annual broadleaf control in wheat
Clarification: Herbicides for new ALS- and ACCase-resistant sorghum lines

01/23/09

The effects of residue removal on soil and water quality
Weed control strategies in grain sorghum
The value of soil profile nitrogen testing

01/16/09

Controlling problem weeds in Roundup Ready corn with glyphosate tank mixes
Early-season fungicide applications on wheat
Alternative herbicide programs in Roundup Ready soybeans
Additional comment on conventional soybean varieties

01/09/09

Availability of phosphorus in manure applications to soil
Can no-till reduce erosion even if surface residue levels are sparse?
Conventional soybean varieties

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2008 e-Updates

JanFebMarAprMayJunJulAugSeptOctNovDec

DECEMBER

12/23/08

Winter survival of canola
2009 Cover Your Acres Conference
2009 Kansas Hay and Grazing Conference

12/19/08

Potential causes of corn ear development problems
Hessian fly: A potential cause of winterkill in wheat

12/12/08

Winterkill of wheat
Milling and baking quality ratings of wheat varieties

12/05/08

Estimating crop residue cover
Bt corn hybrids on the market: Genes, events, and insects controlled
Agriculture could face changes due to climate change
Climate change projections for Kansas

<<Return to Top

NOVEMBER

11/26/08

Minimizing losses when storing large round bales
Summary of 2008 disease activity on row crops in Kansas

11/21/08

Glyphosate-resistant giant ragweed in Kansas
Maintaining stormwater Best Management Practices

11/14/08

New approach to breeding for leaf rust resistance in wheat
Nitrogen immobilization as a cause of yellow wheat

11/07/08

Harvesting freeze-damaged sorghum
How volunteer Roundup Ready corn may affect dryland wheat yields
Symptoms of aluminum toxicity injury to wheat

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OCTOBER

10/31/08

Fall applications of anhydrous ammonia for row crops
No-till, soil organic matter, and soil compaction
Corn yields affected by previous crops in rotation: SE Kansas research

10/24/08

Causes of yellow wheat in the fall
Estimating yield reductions from fall freeze damage in summer grain crops
Soil testing: When and how to take soil samples

10/17/08

Grazing or haying freeze-damaged sorghum
Starter fertilizer application methods in reduced-till irrigated corn
Effect of wheat stubble height on dryland corn yield

10/13/08

Nitrogen rates for wheat after soybeans
Wheat replant decision guide

10/03/08

Palmer amaranth control in grain sorghum
Fall/winter fertilization of smooth bromegrass pastures and hay meadows
Fall/winter fertilization of tall fescue pasture
Insect problems on wheat and alfalfa this fall

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SEPTEMBER

09/24/08

Poultry litter as source of N and P
Timing of last cutting for alfalfa

09/19/08

Adjusting wheat seeding rates for various conditions
Wheat blends: Performance Test results in 2008
Principles of making a good wheat variety blend

09/12/08

Will summer crops in Kansas mature before frost?
New developments in weather data collection in Kansas
Cool weather raises the potential for sorghum ergot
Factors that determine soil infiltration rate

09/05/08

Black point and sooty mold in wheat: Is a seed treatment needed?
Small grain cereal forage test results for 2008

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AUGUST

08/29/08

Downy brome control in wheat
Early-season nitrogen management for wheat
Sericea lespedeza control
Early-season nitrogen management for wheat

08/20/08

Maintaining grass waterways
Biomass energy crops for Kansas
Measurement of carbon loss and sequestration in native prairie
Improving water quality through the use of Geographic Information Systems (GIS)
Can cover crops suppress weeds?
Sunflower production in south central Kansas
Weed control in sunflowers in south central Kansas
Sesame as a potential alternative crop in Kansas

08/15/08

Phosphorus fertility for wheat
New wheat herbicides for 2008
Sprouting tolerance ratings of wheat varieties
Considerations for wheat planted on non-optimal dates in SC and SE Kansas
Herbicide-resistant sorghum

08/08/08

Importance of controlling volunteer wheat
Soybean aphid infestations continue in Kansas
Carbon credit program deadline is August 15
Soil calcium and magnesium levels: Does the ratio make a difference?

08/01/08

Mixtures of red wheat and white wheat: How does it happen?
Control weeds in wheat stubble before they set seed
Soybean leaf cupping caused by potato leaf hoppers
Effect of heat stress on corn, grain sorghum, and soybeans

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JULY

07/24/08

Liming prior to fall seedings of alfalfa
Abnormal corn ears
Canola production and breeding update for Kansas

07/16/08

Seed treatments for scabby wheat
Germination testing of wheat seed
Nematode infestation on alfalfa in western Kansas

07/08/08

Nutrient deficiencies in soybeans
Plant analysis for testing nutrient levels in soybeans
The role of nitrogen fertilizer in soil pH levels
Agronomy Field Day highlights agriculture’s solutions to global change
New Extension Nutrient Management Specialist

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JUNE

06/26/08

Yield prospects for various doublecrop options
Herbicide carryover considerations when doublecropping after wheat
Doublecropping options in northwest and northcentral Kansas
Doublecropping options for southeast Kansas
Using plant analysis to monitor your corn fertilization program

06/19/08

Hail damage on soybeans
Replanting soybeans late: Variety selection, seeding rate, and row spacing
Comparison of summer annual forage options
Wheat streak mosaic potential on fields of hail damaged wheat

06/12/08

Head scab on wheat in Kansas
Crop insurance considerations with head scab and other quality issues
White heads in wheat: Hail or wheat stem maggot?
Measuring soil pH and lime requirement

06/05/08

Effect of flooded and water-logged soils on corn growth and yield
Nitrogen loss potential in wet soils
Saturated and flooded soybean fields

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MAY

05/30/08

Wheat disease update
Causes of white heads in wheat
New web site for Soil Testing Lab
Agronomy Field Day in Manhattan: August 22, 2008

05/27/08

Foundation herbicide programs for Roundup Ready soybeans
Results of 2007 fungicide trials on corn
Assessing early-season hail damage on corn
Effect of stand loss on corn yields

05/16/08

Time to evaluate corn stands
Wheat disease update
Options for controlling invasive dogwood in pastures
Sericea lespedeza control

05/09/08

Method for estimating wheat yields
Plant analysis for wheat: Optimum sampling time is near
Site-specific weed management

05/02/08

Insect pests to watch for in wheat
Leaf rust update
Tillage and land use trends in Kansas and the U.S.
Research on air quality from cattle feedlots

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APRIL

04/25/08

Leaf rust poses a serious threat again in 2008
Importance of soybean inoculation: Field photos
Principles of successful soybean inoculation
Corn Watch: Software for predicting corn development
The importance of good soil aggregation

04/17/08

Army cutworm alert in canola
Placing fertilizer with seed
The challenge of collecting a representative soil sample

04/15/08

Hard freeze in central and eastern Kansas
Diagnosing freeze injury on wheat

04/11/08

How late can wheat be topdressed with nitrogen?
Field diagnosis of wheat problems
Nitrogen loss potential in wet soils
Implications of delayed corn planting

04/04/08

Recropping wheat ground: Herbicide carryover considerations
Lumax received full registration for use in grain sorghum
Update on the potential for leaf rust in wheat
Heaving damage, late planting, shallow planting, and other wheat problems

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MARCH

03/28/08

First hollow stem in wheat
Quantifying the value and benefits of crop residue
Liquid 11-37-0 fertilizer: How it differs from 10-34-0

03/21/08

Skip-row corn research in western Kansas
Soybean Populations
WRAPS projects update
Triticum Mosaic Virus in Kansas

03/14/08

Avoiding seed and seedling injury with spring-applied anhydrous ammonia
Key factors in deciding whether to apply foliar fungicides to wheat
Winter canola update
Barney Gordon receives award from Fluid Fertilizer Foundation
Direct link to Agronomy e-Update Index

03/07/08

Prescribed burning of CRP fields
Herbicide seed treatment on grain sorghum could help reduce hunger in Africa
Patch-burn research in Kansas
Updated Index to past issues of Agronomy e-Update

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FEBRUARY

02/29/08

Nitrogen fertilization of bromegrass this spring
Spring wheat in Kansas
No-till, continuous wheat and tan spot research
Where to send possible contaminated soil for analysis
New, quicker method of measuring lagoon seepage being developed

02/22/08

Comparing dryland grain sorghum and corn performance in NC Kansas
The outlook for thin stands and late-emerged wheat
The BlueSkyRAINS project for smoke management in the Flint Hills
Winter canola production schools scheduled

02/15/08

Corn plant population recommendations
How corn plants respond to changes in plant populations
Starter fertilizer rates and placement for corn
Oat forage production

02/08/08

Management practices for Group III soybeans in southern Kansas
Sunflowers as a doublecrop option in southern Kansas
Choosing wheat varieties for late winter plantings

02/01/08

Effect of cold temperatures on unemerged wheat
Winter/spring options for winter annual broadleaf control in wheat
New Southeast Area Extension Crops and Soils Specialist

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JANUARY

01/25/08

Comparing corn and grain sorghum performance in the High Plains
Planning for spring-seeded alfalfa

01/18/08

Surface applications of nitrogen on snow-covered fields of wheat
Chloride as a fertilizer nutrient for wheat, grain sorghum, and corn
Reducing phosphorus movement into surface water: Eutrophication TMDLs
Correction to herbicide name

01/11/08

Fertilizer price/supply situation
Web Soil Survey 2.0: Access to soils data in all Kansas counties
Soybean seed supply
Cover Your Acres Conference 2008

01/04/08

Postemergence weed control in ExpressSun and Clearfield sunflowers
New herbicide products for 2008

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2007 e-Updates

JanFebMarAprMayJunJulAugSeptOctNovDec

DECEMBER

12/21/07

Vernalization and yield potential of late-emerging wheat
Biomass crops: Effect of harvest intensity on soil carbon levels

12/14/07

Biotech corn: Select hybrids, not traits
Wheat Quality Lab update

12/06/07

Soybean Cyst Nematode and Sudden Death Syndrome ratings
INTSORMIL project to help West African farmers with sorghum and millet production

<<Return to Top

NOVEMBER

11/30/07

Herbicide-resistant grain sorghum
Causes of yellow wheat in the fall
Topdressing wheat with N: Timing, application methods, sources, and rates

11/17/07

Problems of late-emerging wheat
Bt corn hybrids on the market: Genes, events, and insects controlled
ALS-resistant cheatgrass

11/10/07

Crop insurance questions regarding thick stands of volunteer wheat
Soil organic matter: How it is measured in the lab
Upcoming Forum: Agriculture’s Role in the New Carbon Economy

11/03/07

Late-emerging volunteer: Is it wheat, or is it a shag carpet?
Fall alfalfa cutting decisions

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OCTOBER

10/26/07

What to do with thick stands of volunteer wheat
Effect of freeze damage on Foundation Seed wheat seed supplies and production
La Nina and drought in Kansas

10/19/07

Wheat crop insurance deadline considerations
Sweet sorghum for bioenergy

10/12/07

Controlling annual broadleaf and grassy weeds with fall-applied atrazine
“Premium” and/or “Low-Salt” fertilizers: Are they worth the extra cost?
Wheat topdressing plans: Don’t overestimate N credits from legumes

10/05/07

Soybean crop conditions in Kansas
Diagnosing alfalfa stand establishment and seedling growth problems in the fall
Sorghum ergot

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SEPTEMBER

09/28/07

Fall control of woody plants on rangeland
K-State’s soybean breeding program
Wheat: Diagnosing early-season problems
Canola: Diagnosing stand establishment and early-season problems

09/21/07

Comparison of potential biomass energy crops for Kansas
Evaluating newly emerged wheat stands
The need for volunteer control
Management decisions for the last cutting of alfalfa
La Niña: Outlook for Kansas weather this fall and winter

09/14/07

Planting tips for wheat planted after row crop harvest
Sunflower preharvest treatments
Fertilizer management for cool-season pastures

09/07/07

Wheat variety selection for planting after row crops
Nitrogen management in no-till wheat
Nitrogen timing in wheat
Sericea lespedeza control

<<Return to Top

AUGUST

08/31/07

Herbicide options for fall control of winter annual bromes in wheat
Fungicide seed treatment options in wheat
Delayed emergence of volunteer wheat
Why is it so hard to grow wheat these days?

08/24/07

Yield potential of wheat varieties treated with foliar fungicide
Using starter fertilizer for wheat
Winter cereals for forage
Canola planting guide

08/17/07

Outlook for late-planted soybeans
Injury to glyphosate-tolerant corn from off-label applications of glyphosate
Volunteer wheat and Hessian fly control
Sorghum headworms

08/10/07

Tips for planting low-test-weight wheat
Fall can be a good time to plant alfalfa in Kansas

08/03/07

Controlling tall, thick stands of weeds and volunteer wheat
Test soil for nitrogen and other nutrients before planting wheat this fall
Wheat test weight or variety: Which factor is more important this year?

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JULY

07/27/07

Estimated Crop Nutrient Removal

07/20/07

Home germination testing of wheat seed
Crop residue burning: Soil quality considerations

07/11/07

White wheat contamination in red wheat
Sub-standard test weight classification approved for certified wheat seed

07/06/07

Sprouted wheat as seed
How late can you plant grain sorghum and soybeans?
Requirements for selling wheat seed
Fluid phosphate product sludge
Potato leafhoppers on alfalfa

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JUNE

06/26/07

Causes of black point and sooty mold in wheat
Why are test weights in wheat so low this season?
Wheat seed quality concerns: Low test weights and foreign material
Conducting germination tests on this year’s wheat seed
How to condition grain for seed

06/18/07

Canola conditions in Kansas and tips for harvesting
Diagnosing most common nutrient deficiencies in corn and grain sorghum

06/15/07

Lodged wheat and the potential for volunteer
Saturated and flooded soybean fields

06/08/07

Stressed and freeze-damaged wheat in western Kansas
Delayed soybean planting: Effect on variety selection, seeding rate, and row spacing
Hail damage on soybeans
Deadline for Lumax application on grain sorghum extended
Does corn need additional nitrogen?

06/01/07

Assessing early-season hail damage on corn
Effect of stand loss on corn yields
“Rootless Corn” syndrome
White heads in wheat
Armyworm infestations in wheat
New Environmental Soil Science and Soil and Water Conservation Specialist

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MAY

05/17/07

Evaluate damaged and weakened alfalfa stands this summer
Wet soils, soil-borne diseases, and soybean seed treatments
Soybean yield response to phosphorus and potassium
Storage and handling of fluid phosphate fertilizers

0511/07

Post-freeze alfalfa problems and management strategies
Will wet weather affect seed- and soil-applied insecticide treatments on corn?
Stripe rust on wheat in Kansas this spring

05/08/07

Effect of flooded and water-logged soils on corn growth and yield
Denitrification loss potential in wet soils
Effect of saturated soils on diseases and seed treatment efficacy
Effect of wet weather on herbicide efficacy

05/04/07

Freeze-damaged wheat: Maintenance of representative sample areas for insurance appraisal deferrals
Fungicides for wheat
A note of caution when estimating yields on wheat that has headed

05/01/07

Estimating wheat yields
Viability of heads on freeze-damaged wheat
Expected harvest delays in freeze-damaged wheat

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APRIL

04/27/07

Canola conditions in Kansas
Lumax Section 18 approved for 2007 use on grain sorghum in Kansas
Wheat disease update
Implications of delayed corn planting

04/26/07

Options and Management Strategies for Freeze-Damaged Wheat

04/25/07

Extent of freeze damage to wheat
Failed wheat: Effect of soil and plant nitrogen on soybeans

04/20/07

Wheat Freeze Damage Symptoms as of April 20, 2007

04/19/07

Haying and grazing freeze-damaged wheat
Watch out for high nitrate levels in freeze-damaged wheat, canola, and alfalfa

04/18/07

What to do with alfalfa that has gone flat
Wheat freeze damage and insurance notification
How much fertilizer can safely be placed with the seed?

04/13/07

Preliminary assessment of freeze damage
Wheat disease update and freeze complications
Herbicide carryover considerations when recropping damaged wheat
Nitrogen availability on soils with freeze-damaged wheat

04/09/07

How cold did it get?
Freeze-damaged corn
Carbon credit program expands into western Kansas

04/06/07

Managing freeze-damaged alfalfa

04/04/07

Effect of hard freeze on wheat in jointing and boot stages
Glyphosate application methods: Effect of time of day and spray volume

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MARCH

03/30/07

Sweet sorghum: A potential bioenergy crop for Kansas?
ALS-resistant sorghum: Developing new weed control options
Fertilizing cotton

03/23/07

Minimizing the risk of corn stand loss or failure

03/16/07

Spring planting of Roundup Ready and conventional alfalfa
Full-rate and reduced-rate residual herbicide programs for corn
Canola research and field tours
Are liquid fertilizers better than dry fertilizers?

03/09/07

Corn weed control
Applying topdress N to wheat after jointing
Causes of poor wheat growth

03/02/07

Continuous corn considerations
Topdressed nitrogen on wheat: Effect of the wet winter weather
Waterlogged wheat

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FEBRUARY

02/23/07

Soil and plant testing for chloride in Kansas
Chloride fertilization research on wheat, grain sorghum, and corn
Soil nitrogen: Understanding an increasingly valuable commodity

02/16/07

Special issue: Renewable Fuels and the Bioeconomy

02/09/07

Red cedar control on grazinglands
Grain sorghum hybrid selection
Preplant considerations for cotton
Winter damage to alfalfa stands
Avoid applying nitrogen to frozen soils

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JANUARY

01/31/07

Nitrogen management considerations for wheat
Oat forage production
Spring greenup will reveal whether ice has damaged wheat

01/26/07

Late topdressing of wheat
Sulfur deficiencies in Kansas
Effect of heat and drought timing on grain sorghum

01/19/07

Foliar potassium on irrigated soybeans
Mullein control in pastures and rangeland

01/13/07

Nitrogen management considerations for wheat
Oat forage production
Spring greenup will reveal whether ice has damaged wheat

01/05/07

Continuous wheat research
New herbicide products for 2007
Comparison of four HDDP-inhibitor herbicides: Callisto, Impact, Laudis, Lumax

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2006 e-Updates

JanFebMarAprMayJunJulAugSeptOctNovDec

DECEMBER

12/22/06

On-farm evaluation of tillage methods for corn in EC and SE Kansas

12/15/06

Potassium deficiency in corn and soybeans
Residue treatment in continuous wheat systems

12/08/06

How Lumax performed in grain sorghum in 2006
Kansas grasslands planted after January 1, 1999 eligible for carbon credit payments

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NOVEMBER

11/29/06

Topdressing wheat decisions
Fertilizing tall fescue and smooth bromegrass pastures
Will sudden drop in temperatures in late Nov. injure wheat?

11/17/06

Early-season stress can reduce grain sorghum yields
Comparison of Bt events currently on the market

11/09/06

Field pansy control
Hessian fly update

11/06/06

Kansas cotton crop: Drought reduced dryland yields in 2006
Progress in breeding new wheat varieties with Hessian fly resistance
Wheat streak mosaic resistance in wheat

<<Return to Top

OCTOBER

10/27/06

Soybeans: Next-generation glyphosate resistance, and other future directions
Reducing atrazine runoff by 40 percent: A recent success story in Kansas
New developments in the carbon credit market in Kansas

10/20/06

Controlling marestail and other weeds with fall-applied atrazine
Scouting tips for wheat in the fall
Preventing the development of herbicide-resistant weeds

10/13/06

Irrigated corn in 2006: High stress, low yields
Use higher seeding rates when replanting wheat
Copper and zinc deficiencies in wheat?

10/06/06

Tall fescue and bromegrass fall/winter management
Grazing or haying freeze-damaged sorghum
Carbon flux measurements in native Kansas grasslands

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SEPTEMBER

09/29/06

El Niño could bring milder- and wetter-than-normal winter weather to Kansas
Late-season stalk lodging in corn
Practices that increase soil carbon also improve soil aggregation

09/22/06

Evaluating wheat stands
Soil carbon sequestration and carbon credits: Basic principles of each
Agronomy Centennial Celebration and special seminars

09/15/06

Timing of last cutting for alfalfa
Considerations for doublecropping wheat after row crops
Research in Kansas on AVAIL

09/08/06

High carryover N found this year in soil profile tests
Cruiser and Gaucho insecticide seed treatments on wheat
Small grain forage yield results
Cool weather slows sorghum development

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AUGUST

08/30/06

Early fall sericea lespedeza control
Pigweed control problems with glyphosate in western Kansas
Herbicide options for fall control of winter annual bromes in wheat
Emergency and supplemental forages
Animal health considerations with alternative forages

08/25/06

Management practices can help prevent the development of glyphosate-resistant weeds
Profile nitrogen tests showing large variation so far this year
Emergency and supplemental forages
Animal health considerations with alternative forages

08/18/06

Importance of controlling volunteer wheat
Outlook for grain sorghum that hasn’t headed out yet
Production practices for winter canola in Kansas

08/11/06

Winter canola: Its place in Kansas cropping systems
Eastern gamagrass production in Kansas
Common bunt and seed treatments for wheat

08/02/06

Using starter P fertilizer for wheat
Nitrogen management in no-till wheat
K-State Performance Tests in transition to new coordinator

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JULY

07/28/06

Test soils for nitrate levels before fertilizing wheat this year
Beware of high nitrate and prussic acid levels in drought-stressed sorghums
Ammonium thiosulfate as an AMS replacement in glyphosate applications
Evaluation of other AMS replacement products in glyphosate solutions

07/21/06

Management options for drought-stressed soybeans
Fall can be a good time to plant alfalfa in Kansas
Germination quality of this year’s wheat seed

07/14/06

Wheat stubble burning: Pros and Cons
Management options for drought-stressed corn

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JUNE

06/27/06

Seed quality of this year’s wheat crop
Upcoming conferences on winter canola production
Plant analysis for soybeans

06/23/06

Low test weights in wheat: Causes and utilization
Evaluating hail and storm damage to corn
Causes of dark heads in wheat this year
Update on Clearfield wheat
Plant analysis for corn

06/16/06

New K-State Extension crop production/cropping systems
Doublecropping soybeans and sorghum into wheat
Small grain cereals as forage crops
Sunflower germination and early-season growth troubleshooting guide

06/09/06

Wheat variety response to wheat streak mosaic
New herbicide for Clearfield wheat
Planting depth variability can affect wheat all season

06/01/06

Causes of white heads in wheat
Managing late tillers in wheat
“New” nitrogen fertilizer products

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MAY

05/26/06

Premium quality, “low-salt” fertilizers: Are they worth the extra cost?
Summer annual forages, residual and fertilizer N, and nitrate toxicity
Effect of heat on wheat during grain fill
Watch out for shattering in wheat this year

05/16/06

Lumax herbicide registered for use on grain sorghum in Kansas
Department of Agronomy Centennial celebration plans: Publicity flyers

05/12/06

Canola crop update
Fescue and bromegrass pasture management after rains in southeast Kansas
Goals of K-State’s new Center for Sorghum Improvement
Ray Lamond Memorial Golf Tournament registration

05/05/06

Freeze damage to Kansas wheat crops
Low soil pH problems in western Kansas
Inoculation of soybeans
Effect of saturated soils on corn emergence and seedling growth

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APRIL

04/25/06

What to do with drought-stressed wheat
Postemerge herbicides for sorghum: Update on Lumax emergency exemption
Alfalfa management in drought-stressed areas
Plant analysis for wheat
Scattered freeze injury reported on wheat

04/19/06

Spring freeze injury on wheat
Soybean seeding rates
Sericea lespedeza control
How late can nitrogen fertilizer be applied to wheat?

04/13/06

Preplant and preemerge herbicide programs for grain sorghum
Manure application on no-till fields
Effect of stripe rust on winter wheat

04/07/06

Diagnosing corn emergence and seedling growth problems
Making stand counts and corn replant decisions
Maximizing irrigated soybean yields

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MARCH

03/31/06

Zinc as a plant nutrient
Preparing for a prescribed burn
Fertilizing cotton

03/24/06

Sulfur as a plant nutrient
Water-critical growth periods of crops

03/17/06

Chloride fertilization of wheat, grain sorghum, and corn
Dryland row crop selection and depth of moist soil at planting time
Spring planting of alfalfa
Roundup Ready alfalfa

03/10/06

Managing weeds in glyphosate-tolerant (GT) corn
Starter fertilizer use on corn
Recommended corn populations in different parts of Kansas
Dryland corn populations, hybrid maturity, and planting dates in SC Kansas
The challenge of collecting a representative soil sample

03/03/06

Is there any value to starter fertilizer on soybeans?
Spring applications of herbicides in wheat
Managing for maximum irrigated corn yields

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FEBRUARY

02/24/06

Management following a wildfire
Atrazine runoff can be minimized this spring
Soil nitrogen: Understanding an increasingly valuable commodity
Topdressed nitrogen and dry wheat ground

02/17/06

Soil organic matter: How it is measured
Trends in soil organic matter: Past, present, and future
Estimating crop response to fertilizer P at different soil test P levels
No-tilling wheat into chemfallow ground

02/10/06

Dryland strip-till research – Southeast and East Central Kansas
Application for emergency exemption for Lumax in grain sorghum
Soil salinity problems in Kansas
Prescribed burns: Head fires vs. back fires and other burning

02/03/06

Effects of warm winter temperatures on wheat
Timing of prescribed burns on grazinglands
Managing high pH, calcareous and sodic soils

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JANUARY

01/26/06

♦ Liming recommendations from the K-State Soil Testing Lab
Soil carbon sequestration programs starting to pay for Kansas producers
Evaluation of AMS replacement products in glyphosate solutions

01/20/06

Strip-till research in Kansas, Part 2: Central Kansas
Soil pH analysis: Fundamental principles and complicating factors

01/10/06

Soybean cyst nematode resistance ratings
WRAPS watershed protection projects in Kansas
The profile nitrogen soil test can pay big dividends

01/05/06

Nitrogen recommendation controversy: Implications for Kansas
Evaluating soil amendments and other “non-traditional” products
Winter applications of herbicides in wheat

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2005 e-Updates

JanFebMarAprMayJunJulAugSeptOctNovDec

DECEMBER

12/22/05

Precision agriculture: Progress to date and future promise
ALS-resistant bushy wallflower (treacle mustard)

12/13/05

Manganese deficiency in Roundup Ready soybeans
Winterkill of wheat
Dryland strip-till research, Part 1: Western Kansas

12/06/05

New web site on conservation resources
Conservation Security Program: A good deal for producers
Soil testing: When and how to take soil samples
Fuel use in no-till compared to conventional-till

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NOVEMBER

11/29/05

Winter fertilization of tall fescue pasture
Fall/winter fertilization of smooth bromegrass pastures and hay meadows
Purple seed stain on soybeans
Grain sorghum hybrid response to 2,4-D

11/22/05

♦ Canola breeding program at K-State and Oklahoma State Universities
♦ “Sumner” canola provides good tolerance to sulfonylurea herbicide carryover
♦ Tan plant sorghum progress

11/15/05

Warm fall weather may cause problems for winter canola
Timing of nitrogen applications for wheat
Nitrogen credits for small grains planted after alfalfa
Herbicides for fall control of winter annuals

11/08/05

Best Management Practices for phosphorus
Storing green soybeans

11/03/05

Reasons to control winter annual weeds in the fall between row crops
Utilizing green soybeans
Musk thistle control in fall

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OCTOBER

10/25/05

Fall is the time for assessing rangeland condition
Causes of yellow wheat in the fall
How to evaluate a no-till field for compaction

10/18/05

Woody plant control in rangeland
Starter fertilizers for late-planted wheat
Sorghum regrowth considerations

10/11/05

Reducing phosphorus movement into surface waters
Considerations when pasturing wheat
Replanting wheat

10/04/05

Timing of cheatgrass herbicides
Use of nitrogen in carrier with cheatgrass herbicides
Bindweed control
Nitrogen and its effect on wheat yield components in fall
Evaluating alfalfa stands
Killing off old stands of alfalfa

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SEPTEMBER

09/29/05

Planting wheat into dry topsoil
Causes of poor or dying wheat stands
Nitrogen application methods for wheat
Considerations for wheat planted into row crop stubble
When to make the last cutting of alfalfa
Seeding rates for Overley

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AUGUST

♦ No entries available for August 2005

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JULY

♦ No entries available for July 2005

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JUNE

♦ No entries available for June 2005

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MAY

♦ No entries available for May 2005

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APRIL

♦ No entries available for April 2005

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MARCH

♦ No entries available for March 2005

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FEBRUARY

♦ No entries available for February 2005

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JANUARY

♦ No entries available for January 2005

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