At the closing of each growing season, growers start thinking about the next year, and soil testing is an important part of that planning. The Montana State University Extension Soil Fertility Program ...
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 ...
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