000 00635 a2200193 4500
020 _a9251025428
082 _a631.51
_bGOD
090 _c21788
_d34081
100 _aGodwin, R. J
245 _aAgricultural engineering in development
_btillage for crop production in areas of low rainfall
260 _aRome
_bFood and Agriculture Organization of the United Nations
_c1990
_g1990
300 _avi,123p.
_c30cm
440 _aFAO agricultural services bulletin 83
650 _aAgricultural and related technologies
650 _aSoil working
650 _aCultivation and harvesting
650 _aSpecific techniques
942 _cL
999 _c49228
_d49228