000 00268nam a2200109Ia 4500
008 221219s9999 xx 000 0 und d
100 _aS.S.Singh
245 0 _aPrinciples and Practices of Agronomy
260 _bKalyani Publication
650 _aAgronomy
942 _cBK
_04
999 _c2889
_d2889