TY - BOOK AU - Chatterjee, B N AU - Maiti, S AU - Mandal, B K TI - Cropping System : Theory And Practice SN - 812040419X PY - 1989/// PB - Oxford & IBH Publishing Co. Pvt. Ltd., New Delhi KW - Botany KW - Botany,Agriculture,Cropping,System,Theory,Practice ER -