TY - BOOK AU - RAMESH CHAND TI - Effect of Bradyrhizobium spp., Sinorhizobium fredii and plant growth promoting rhizobacteria on soybean [Glycine max (L.) Merrill] crop U1 - 633.34 R16E PY - 2003/// PB - Ludhiana KW - SOYBEAN KW - NITROGEN -- FIXATION ER -