TY - BOOK AU - x, x AU - Bhushan,L.S.,Abrol,I.P.,Rama Mohan Rao,M.S. TI - Soil and water conservation: Challenges and opportunities SN - 812041082X(Set) U1 - 631.4/S683 PY - 1998/// CY - New Delhi PB - Oxford & IBH pub. KW - Soil science KW - Water conservation N1 - x ER -