000 00336nam a2200121Ia 4500
008 140113s9999 xx 000 0 und d
082 _a631.461.1(540)(047.1) L6
100 _a"Grewal, J.S. & Kanwar, J.S."
245 _aPottasium & ammonium fixaation in Indian soils
260 _a1976
_bICAR
_cNew Delhi
300 _a75
942 _cBK
999 _c59741
_d59741