Plant Pathology / Pennsylvania State University / Penn State College / /
Holiday
Commonwealth Day / /
IndustryTerm
by-product / physical and chemical characteristics / friendly solution / chemicals / energy / /
Organization
Department of Horticulture / The Pennsylvania State University / College of Agricultural Sciences / U.S. Department of Agriculture / Department of Plant Pathology / /
Person
Donald D. David / Elizabeth A. Brantley / Larry J. Kuhns / /