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 ...

Recently, the China Chemical Industry Enterprise Management Association released the "Guidance on Agricultural Chemical Services During the '15th Five-Year Plan' Period" (hereinafter referred to as ...

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 ...

Planning for 4R nutrient management must be farm-specific — that is, geared for the unique crops, cropping practices, soils ...

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 ...