000 00397nam a2200145Ia 4500
008 130225s9999 xx 000 0 und d
020 _a8189729705
080 _a631.452:631.588.8
_bS34
100 _aBandyopadhyay, P. C
245 _aSoil fertility management for sustainable agriculture
260 _aNew Delhi
_bGene-Tech Books
_c2007
300 _a284p.
901 _a245393
942 _cB
_2udc
999 _c15159
_d15159