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 ...

Paulo Pagliari and other researchers at the University of Minnesota are trying to see if a bacteria can be used to reduce the amount of nitrogen needed to grow crops. Reducing nitrogen is important to ...

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 ...

A well-designed nutrient management program is crucial for maximizing soybean yields. But what nutrients do you need to apply before planting to ensure your soybeans get the best start? Soybeans may ...

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 ...