Nitrogen Fertilizer Recommendations for Corn in …

This pamphlet replaces all earlier guidelinesfor using the late-spring test for soil nitrateand all previous Nitrogen Fertilizer recom-mendations based on corn yield goals andcredits for N supplied by legumes and ani-mal manures. Recommendations concern-ing applications of animal manures areprovided in Pm-1596a, Managing manurenutrients for crop fertilization is essential for profit-able corn production. It also is a majorcost of production and can contribute todegradation of the environment. The economic andenvironmental costs of N fertilization are moreimportant than in the past, and they are likely tobecome even more important in the future. Thesecosts provide compelling reasons for intensifyingefforts to improve N management late-spring test for soil nitrate is a new tech-nology that enables site-specific assessments ofplant-available N just before the crop begins rapiduptake of N. Use of this test should help cornproducers manage N to increase their profits whilereducing environmental degradation.

This pamphlet replaces all earlier guidelines for using the late-spring test for soil nitrate and all previous nitrogen fertilizer recom-mendations based on corn yield goals and

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  Nitrogen, Fertilizers, Nitrogen fertilizer

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