TY - BOOK AU - Rattan Lal AU - Food and Agriculture Organization of the United Nations, TI - Tillage systems in tropics : Management options and sustainability implications SN - 81-204-1222-2 U1 - 631.51 PY - 1997/// CY - New Delhi PB - Oxford & IBH Publishing Co N1 - Rattan Lal & Food and Agriculture Organization of the United Nations: Tillage systems in tropics : Management options and sustainability implications. New Delhi. Oxford & IBH Publishing Co, 1997. 81-204-1222-2 Rs. 450.00--(631.51LAL) ER -