TY - BK AU - Bebee,C.N. TI - Chemigation, January 1970 - August 1986 T2 - USDA Bibliographies and Literature of Agriculture PY - 1987/// CY - Beltsville, MD (USA) PB - USDA. National Agricultural Library, KW - Biochemistry KW - Biomass KW - AGROVOC KW - Breeding KW - Drainage KW - Economics KW - Energy conservation KW - Equipment KW - Extension activities KW - Food technology KW - Forestry KW - Irrigation KW - Mathematics KW - Pesticides KW - Plant nutrition KW - Plant physiology KW - Plant protection KW - Pollution KW - Soils KW - Water management KW - Weeds ER -