TY - GEN AU - Balasubramaniyan , P. AU - Palaniappan , S.P TI - Principles and practices of agronomy SN - 8177540521 U1 - 630.1 PY - 2001/// CY - Jodhpur PB - Agrobios KW - FOOD SECURITYAGRO KW - AGRONOMY FOOD PRODUCTION KW - HARVEST FARMING SYSTEMS KW - AGRONOMY ER -