Stallings, Charles C.Knowlton, Katharine F.2014-06-022014-06-022009-05-01http://hdl.handle.net/10919/48381Nitrogen and phosphorus are the two nutrients that cause the most concern with respect to environmental pollution from animal manure.3 pagesapplication/pdfen-USVirginia Cooperative Extension materials are available for public use, re-print, or citation without further permission, provided the use includes credit to the author and to Virginia Cooperative Extension, Virginia Tech, and Virginia State University.Dairy CattleNitrogen in animal nutritionPhosphorus in animal nutritionDairy cattle -- Feeding and feedsExtension publicationhttp://pubs.ext.vt.edu/404/404-130/404-130_pdf.pdfDairy cattlePhosphorusNitrogenCattle feeding