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Department of Agronomy

Department of Agronomy
Kansas State University
2004 Throckmorton Plant Sciences Center
1712 Claflin Rd.
Manhattan, KS 66506-0110

785-532-6094 fax

David B. Mengel

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Professor |Soil Fertility and Nutrient Management

3108 Throckmorton Ctr.
Kansas State University
Manhattan, KS 66506
Phone: 785-532-2166
Fax: 785-532-6094
View My Curriculum Vitae

Biography and Education


Dave came to KSU in 1998 as Head of Agronomy, and served in that position through 2005, when he stepped down to return to a faculty position. Prior to coming to K-State, he was on the faculty at the Louisiana State Rice Experiment Station from 1975-79 working in rice and rotational crop fertilization, and Purdue University from 1979-1998 where he had teaching, research and extension responsibilities in soil fertility and crop production.

He currently supervises the Soil Testing Lab, teaches Agron 625 Applications in Nutrient Management, and does research and extension work in the areas of soil testing and fertilizer use, especially nitrogen management, the use of sensors to predict fertilizer needs, new methods and equipment to apply fertilizers, and soil management.


Ph.D. Soil Science, North Carolina State University, 1975
M.S. Agronomy/Soil Fertility, Purdue University, 1972
B.S. Agricultural Education, Purdue University, 1970


This departmental member does not currently have any extension information available for review, or does not currently have an extension appointment.


Agronomy 625, Applications of Nutrient Management (3) I. Principals for developing plant nutrient management programs in the Great Plains. Emphasis is on the use of tools, products and knowledge of soil processes to meet the nutrient requirements of field crops, while enhancing nutrient use efficiency, and preserving environmental quality. Topics include: assessing crop nutrient needs, making fertilizer recommendations, applying application technology and products to enhance nutrient use efficiency, using sensing technology to assess in-season nutrient needs, quality control functions and the use of waste products as nutrient sources. Three hours rec. a week. Pr.: Agron 375.

Staff and Students


Dr. Mengel is a professor of Soil Fertility and Nutrient Management. His research emphasis is on nitrogen and phosphorus management, soil testing and soil test calibration, and the interaction of tillage systems and fertilizer recommendations.

Additional Research Links


Chad B. Godsey, Gary M. Pierzynski, David B. Mengel, and Ray E. Lamond . 2007. Changes in soil pH, organic carbon, and extractable aluminum from crop rotation and tillage. Soil Sci. Soc. Am. J. 71: 1038-1044.

Chad B. Godsey, Gary M. Pierzynski, David B. Mengel, and Ray E. Lamond. 2007. Management of soil acidity in no-till production systems through surface application of lime. Agron. J. 99: 764-772.

Chad B. Godsey, Gary M. Pierzynski, David B. Mengel, and Ray E. Lamond. 2007. Evaluation of common lime requirement methods. Soil Sci. Soc. Am. J. 71: 843-850.

Liesch, A.M., D.A. Ruiz Diaz, K.L. Martin, B.L. Olson, D.B. Mengel, and K.L. Roozeboom. 2011. Management Strategies for Increasing Soybean Yield on Soils Susceptible to Iron Deficiency. Agron. J. 103:1870-1877.