TY - BOOK AU - Das N.R. TI - Cropping System Research : With Special Reference to Eastern India SN - 81-272-4903-8 U1 - 630.2 PY - 2008/// CY - New Delhi PB - Kalyani Publishers N1 - Das N.R.: Cropping System Research : With Special Reference to Eastern India. New Delhi. Kalyani Publishers, 2008. 81-272-4903-8 140.00--(630.2DAS) ER -