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 to new Iowa State University research. 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 to new Iowa State University research. Agriculture Phys.org – latest science and technology news stories
Ideal nitrogen fertilizer rates in Corn Belt have been climbing for decades, study shows
