000 00316nam a2200121Ia 4500
008 180612s9999||||xx |||||||||||||| ||und||
041 _aen
082 _a631.86
100 _aH.L.S.Tandon
245 0 _aOrganic fertilisers and biofertilisers
260 _bNewdelhi. Fertiliser developm
_cent & consu1999
942 _cPR
999 _c50717
_d50717