000 00301nam a2200133Ia 4500
999 _c419624
_d419624
003 OSt
020 _a9788172335151
082 _a631.558
_bDAS
100 _aDas, N. R.
245 0 _aTillage and crop production
_bN.R. Das
260 _aJodhpur
_bScintific
_c2011
300 _a292p.
942 _2ddc
_cBK