Corn farmers always seem to be searching for that perfect nitrogen (N) application rate, probably because it can be a moving target. Apply too little, and you miss out on yield potential. Apply too ...

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 ...

Agricultural lime takes time to work, but it provides excellent returns by improving soil pH, nutrient availability and fertilizer efficiency.

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 ...

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 outlook for fertilizer costs versus commodity prices for next season is a tough one for farmers across the country. With that fact in mind, we have compiled 26 nutrient recommendations, tips, ...

Reducing nitrogen fertilization rates to the environmental optimum would cause a drop in yield of about 6% while only slightly reducing nitrogen loss, an unfavorable trade-off, Archontoulis said. "If ...