000 00305nam a2200121Ia 4500
008 170101s1991 xx 000 0 und d
082 _a630 CHE
100 _aCheema,S.S.
245 0 _aAgronomy Theory and Digest
260 _aHydarabad
_bKalyani Publishers
_c1991
300 _a274 p.
942 _2ddc
_cB
999 _c1334216
_d1334216