00597nam a22001817a 4500003000400000008004100004082001700045100001800062245014900080260004000229300001000269502003200279650001700311650003100328650003400359650001100393650001100404OSt260724b        |||||||| |||| 00| 0 eng d  a631.83bK96E  aKumari, Nisha  aEffect of NPK, Zinc and organic sources on Nitrogen fractions, use efficiency under Rice-Wheat cropping system in calcareous soilcKumari, Nisha  aPusa, SamastipurbPGCA, RPCAUc2025  a125p.  bMsc. Ag. Soil Scienced2025  aSoil Science  aRice-Wheat Cropping System  aNPK, Zinc and Organic Sources  aThesis  aM. Sc.