00472nam a22001457a 4500003000400000008004100004082001700045100002500062245015500087260003200242300000900274502001500283650001700298650001100315OSt260602b        |||||||| |||| 00| 0 eng d  a631.47bP74S  aPrasad, Rakesh Kumar  aStudies on Microbial Activities and Micronutrient Availiablity in a Long Term Experiments on Crop Residue and Zinc Application under Rice-Wheat System  aPusa, SamastipurbRAUc2005  a66P.  bMsc.d2005  aSoil Science  aThesis