00445nam a22001457a 4500003000400000008004100004082001700045100001700062245011700079260003200196300000900228502002800237650001700265650001700282OSt260611b        |||||||| |||| 00| 0 eng d  a631.41bS94I  aKumar, Sunil  aInfluence of Green Manuring on Chemistry of Native Zinc in Calcareous Soil under Rice-Wheat SystemcKumar, Sunil  aPusa, SamastipurbRAUc2006  a72P.  bPh.D. Agricultured2006  aSoil Science  aPh.D. Thesis