000 00437nam a22001457a 4500
003 OSt
008 260601b |||||||| |||| 00| 0 eng d
082 _a631.41
_bC35C
100 _aShivnandan Choudhary
245 _aComparative Studies of The Effects of Pyrite & Gypsum on the Calcareous Saline-Alkali Soils of North Bihar
260 _aRPCAU
_c1980
300 _a94
650 _aMSc. Soil Science and Agril Chemistry
942 _2ddc
_cT
999 _c51132
_d51132