Virginia Cooperative ExtensionVirginia. Division of Soil and Water Conservation2013-07-302013-07-301991http://hdl.handle.net/10919/23527[8] leavesapplication/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.LD5655 .A762Lawn care industry -- VirginiaFertilizers -- VirginiaExtension publication