TY - BOOK AU - TI - Technological breakthrough in agriculture SN - 8185076154 : U1 - 630 19 PY - 1987/// CY - Allahabad, India PB - Chugh Publications KW - Agriculture KW - Economic aspects KW - India KW - Andhra Pradesh KW - Agricultural innovations N1 - Includes index; Bibliography: p. [121]-130 ER -