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 ...

One segment of biological products presents a specific opportunity for ag retailers. Several companies have introduced biological technology formulated to blend with a traditional dry bulk fertilizer.

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 ...