00374nam a22001217a 4500003000400000008004100004082001700045100001700062245012800079260001600207300000700223650002200230OSt260601b        |||||||| |||| 00| 0 eng d  a631.46bJ46S  aVirendra Jha  aStudies on Isolation and Characterisation of Rhizobium Phaseoli and Their Effect on Biological Nitrogen Fixation in Rajmash  aRPCAUc1993  a80  aMSc. Soil Science