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Research: site-specific nitrogen applications can increase profitability when fertilizer prices are high

Posted on September 04, 2008

With recent increases in grain and fertilizer prices, even small changes in management may significantly impact profit, as researchers report in Agronomy Journal. Varying the rate of crop production inputs such as fertilizer and seed makes intuitive sense, as farmers have long observed differences in crop yield in various areas of a single field. The availability of spatial yield information from combines equipped with yield monitors has provided a good resource for improved management.So, optimizing inputs to match yield potential of different areas within fields may increase profit and reduc...

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