TY - BOOK AU - Sharma, Renuka, TI - Cropping and farming systems / SN - 9789350563717 (Hb.) AV - S602.5 .S52 2014 PY - 2014/// CY - New Delhi : PB - Discovery Publishing House KW - Cropping systems KW - Agricultural systems N1 - Includes bibliographical references and index ER -