000 00334nam a2200133Ia 4500
008 170101s1996 xx 000 0 und d
020 _a8127213152
082 _a631.42 SIN
100 _aSingh, S.S
245 0 _aSoil fertility and nutrient management
260 _aKolkata
_bKalyani
_c1996
300 _aP.253
942 _2ddc
_cBK
_03
999 _c141831
_d141831