00302nam a2200109Ia 450000500170000000800410001708200120005810000180007024500530008826000430014130000080018420260224040957.0260224s9999||||xx |||||||||||||| ||und||  a630 GOV  aGovindan, K.  0aPrinciples and practices of dry land agriculture  aLudhiana : Kalyani Publications c2003  a309