00505nam a22001817a 4500003000400000008004100004082001700045100002100062245012300083260003200206300000900238502001500247650001300262650001100275650000900286942001100295999001700306OSt260525b        |||||||| |||| 00| 0 eng d  a633.18bJ46S  aJha, Sudhir Kant  aStudies on the Effect of Modified urea Materials on Increasing Fertilizer Nitrogen Efficiency in Rainfed Low land Rice  aPusa, SamastipurbRAUc1983  a82P.  bMsc.d1983  aAgronomy  aThesis  aMsc.  2ddccT  c50793d50793