000 00331nam a2200133Ia 4500
008 140317s9999 xx 000 0 und d
082 _a581.353
100 _aGangwar, B.
245 _aSystem based integrated nutrient management.
260 _aNew Delhi
_bNIPA
_c2012
300 _a371
700 _aSingh, V.K.
942 _2ddc
_cBK
999 _c17343
_d17343