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 ...

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 ...

THE Philippines’ dependence on fertilizer imports has made it particularly at risk from supply disruptions arising from the Middle East war, a Fitch unit said. With prices rising and the war on Iran ...

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 ...