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 ...

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 ...

BOZEMAN - Two new Web-based tools developed by Montana State University Extension specialists help Montana wheat producers optimize fertilizer rates - and their profits. The two tools help producers ...

Fertilizer is one of the quiet workhorses of the global food system, yet it is also a major driver of climate pollution. The emerging evidence is that if governments price the emissions from ...