000 00414nam a2200157Ia 4500
082 _a631.484/GRE
100 _aGrewal, J S
245 _aPotassium and ammonium fixation in Indian soils
260 _bIndian Council of Agricultural Research
_aNew Delhi
_c1973
300 _a70
650 _aSoils--Ammonium content
650 _aSoils--Potassium content
700 _aKamwar
901 _a2062
942 _2ddc
_cBK
999 _c1795
_d1795