The amount of nitrogen fertilizer needed to maximize the profitability of corn production in the Midwest has been increasing ...

Corn requires a lot of nitrogen, approximately 1.2 pounds of it for every bushel of corn produced. That means that a 200-bushels-per-acre harvest will require 240 pounds of nitrogen per acre. Most of ...

AMES, Iowa – When Michael Castellano tells people there are billions of different variations of farmer decisions and environmental conditions that can affect how much nitrogen fertilizer is just ...

Revised Document Prepared by: A.L. Shober, K.L. Gartley, and J.T. Sims Department of Plant and Soil Sciences, University of Delaware Unlike other nutrients, such as potassium or phosphorus, the ...

If corn was ever jealous of soybean's relationship with nitrogen-fixing bacteria, advancements in gene editing could one day even the playing field. A recent study shows that gene-edited bacteria can ...

In collaboration with professors at the University, researchers are working on a new breed of corn that reduces nitrogen loss. Connor Sible, research assistant professor in ACES, discussed his team’s ...

A farmer applies nitrogen fertilizer to a corn field in Boone County in June 2024. Photo by Alex Schaffer/Iowa Soybean Association. AMES, Iowa – The amount of nitrogen fertilizer needed to maximize ...

Ideal nitrogen fertilizer rates in Corn Belt have been climbing for decades Date: March 3, 2025 Source: Iowa State University Summary: The amount of nitrogen fertilizer needed to maximize the ...