00377nam a22001457a 4500003000400000008004100004082001600045100002300061245006300084260003200147300000900179502001500188650001700203650001100220OSt260602b        |||||||| |||| 00| 0 eng d  a631.4bS48R  aSingh, Ashok Kumar  aReaction and Availability of Phosphorus in Calcareous Soil  aPusa, SamastipurbRAUc1991  a95P.  bMsc.d1991  aSoil Science  aThesis