000 00325nam a2200121Ia 4500
008 230907s9999 xx 000 0 und d
082 _bSIN/P
_a630.2
100 _aSingh, S.S. and singh, Rajesh
245 0 _aPrinciples and Practics of Agronomy
260 _bNew Delhi, Kalyani Pub.
_c2014
650 _aAgronomy
942 _cBK
999 _c16188
_d16188