TY - BOOK AU - Khosla, Gaurav TI - Variation in biomass production and harvest index in soybean [Glycine max (L.) Merrill] U1 - T 633.34 K55V PY - 2002/// CY - Ludhiana PB - P. A. U. KW - SOYBEAN N2 - Twenty early and main season genotypes were studied for their response to day , length and temperature (manipulated in field by sowing dates) in terms of days to tlowering, pods and seed development, biomass production, yield and harvest index. Significan ER -