TY - BOOK AU - M JAYAKUMAR AU - M R C PILLAI TI - BIOMASS PRODUCTIVITY OF A FORAGE CROP BASED CROPPING SYSTEM INVOLVING C3 AND C4 PLANTS U1 - J N88 JA 86 PY - 1988/// CY - COLLEGE OF AGRICULTURE VELLAYANI PB - DEPARTMENT OF AGRONOMY ER -