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 ...

AMES, Iowa – The amount of nitrogen fertilizer needed to maximize the profitability of corn production in the Midwest has been increasing by about 1.2% per year for the past three decades, according ...

The amount of nitrogen fertilizer needed to maximize the profitability of corn production in the Midwest has been increasing by about 1.2% per year for the past three decades, a trend driven by higher ...

With high costs of fertilizer this coming year, it might be a good time to reevaluate your fertilizer application rates. Nitrogen is a significant part of the variable costs for corn production. In ...

Iowa State University Extension and Outreach has released the data from their 2024 Custom Farm Rate Survey, which provides average pricing for common agricultural services such as tillage, spraying ...