Soil Fertility

The soil fertility tests farmers have used for decades to measure nitrogen levels don’t account for the vast majority of the nitrogen in soils, so Iowa State University scientists helped develop a new test that yields more accurate results by using soil biology.

Dr. Md Rasel Parvej
Postdoctoral Research Associate
Valeria Cano Camacho
Graduate Student

Dr. John Pesek was a soil scientist, champion of sustainable agriculture, teacher and leader. Regrettably, our esteemed colleague passed away February 11. With over 40 years of service to the Department of Agronomy and Iowa State University, Dr. Pesek left a lasting legacy.

Dr. Pesek was born November 15, 1921 in Hallettsville, Texas. He received his bachelor’s degree in agriculture education from Texas A&M in 1943, at which point he entered the military. He was a member of the 98th Bomb Group within the 15th Air Force.

Mariana Gomez Botero
Graduate Research Assistant
Camila Martins
Graduate Student
Wenxiu Zou
Northeast Institue of Geography and Agroecology, Chinese Academy of Science
Associate Professor
John D Jones
Graduate Assistant-Teaching/Research
Dr. Antonio Mallarino
Director, ISU Soil and Plant Analysis Laboratory
Dr. Renuka R Mathur
Adjunct Associate Professor


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