000 00402nam a2200145Ia 4500
008 130903s9999 xx 000 0 und d
082 _a631.859 M6
100 _a G.V.Kothandaraman, T.S.Manickam and K.Natarajan.
245 _aRock phosphate in agriculture
260 _aCoimbatore
_bT.N.A.U.
_c1986
300 _a250p.
600 _aKothandaraman, G.V.
650 _aRock phosphate
942 _cGRBK
999 _c82127
_d82127