000 00301 a2200133 4500
003 ISURa
008 151231b xxu||||| |||| 00| 0 eng d
020 _a70964490
080 _bSIN
082 _a630.1
100 _aSingh , S.S.
_97300
245 _aPrinciples & practices of agronomy
942 _cLN
_2ddc
999 _c1017
_d1017