000 00289nam a2200121Ia 4500
008 180721s9999 xx 000 0 und d
100 _a"Singh, S.S"
245 0 _aSoil Fertility & Nutrient Management
260 _bKalyani Publishers
260 _c2013
365 _b170
942 _cBK
999 _c133751
_d133751