000 00343nam a2200133Ia 4500
008 180612s9999||||xx |||||||||||||| ||und||
041 _aen
082 _a630.579
100 _aVyas.S.C
245 0 _aBiofertilizers and organic farming
260 _aIndia
_bJ & J College of science Nadi
_cad 1998
300 _aviii,251p.
942 _cPR
999 _c52392
_d52392