00655    a2200193   4500020001500000082001600015100001700031245008600048260007900134300002000213440004200233650004100275650003500316650003100351650002400382700001900406700001700425700001900442  a9251036446  a631.58bFAR  aNorman, D. W  aThe farming systems approach to development and appropriate technology generation  aRomebFood and Agriculture Organization  of the United Nationsc1995g1995  axii,229p.c30cm  aFAO farm systems management series 10  aAgriculture and related technologies  aSpecial methods of cultivation  aCultivation and harvesting  aSpecific techniques  aModiakgotla, E  aWorman, F. D  aSiebert, J. D.