00550nam a22001817a 4500003000400000008004100004082001700045100002100062245016000083260003200243300001000275502001700285650001700302650001000319650001100329942001100340999001700351OSt260612b        |||||||| |||| 00| 0 eng d  a631.41bS48S  aSinha, Ram Binod  aStudies on The Effect of Pyrite in Combination with Organic Manures in Relation to Iron, Zinc, Sulpher and Phosphorus Nutrition of Crops in Calcareous Soil  aPusa, SamastipurbRAUc1988  a209P.  bPh.D. d1988  aSoil Science  aPh.D.  aThesis  2ddccT  c52035d52035