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Macro elements are used in large quantities by plants for optimal growth. Ensuring an adequate nutrient supply over the growing season and applied at proper timings with correct rates is imperative for efficient fertilizer use efficiency. For fertilizers, fully understanding what nutrient sources are available and some fertilizer basic characteristics is imperative for using nutrients economically in Virginia production systems.
Virginia Cooperative Extension materials are available for public use, reprint, or citation without further permission, provided the use includes credit to the author and to Virginia Cooperative Extension, Virginia Tech, and Virginia State University.
Issued in furtherance of Cooperative Extension work, Virginia Polytechnic Institute and State University, Virginia State University, and the U.S. Department of Agriculture cooperating. Edwin J. Jones, Director, Virginia Cooperative Extension, Virginia Tech, Blacksburg; M. Ray McKinnie, Administrator, 1890 Extension Program, Virginia State University, Petersburg.
April 7, 2020