TY - GEN TI - Manual for testing agricultural and vegetable seeds: Production and Marketing Administration ; in cooperation with the [assistance of members of the Division of Forage Crops and Diseases] Bureau of Plant Industry, Soils, and Agricultural Engineering PY - 1952/// CY - Washington, D. C. PB - U.S. Govt. Print. Off. KW - MANUALES KW - ESTADOS UNIDOS KW - AGRICULTURA KW - SEMILLAS N1 - Incluye: bibliografía e índice ER -