na INLIS000000000002892 20200220145740.0 200220| ||| | a 0010-022000000002892 Croping System : Theory practice. CHATTERJEE, B.N. B.N. chatterjee S. Maiti and B.K. Mandal. - New Delhi. Oxford IBH Publishing Co. Ltd. 1986 xiv, 345p.; ills.; tab; 22 cm. 0-204-0419-x 631.1/CHA/c 32/'92 B.