01454nam a2200313 a 450000100080000000500110000800800410001902000180006010000150007824500430009326000570013630000150019352006900020865300160089865300160091465300100093065300130094065300210095365300110097465300170098565300140100265300180101665300140103465300190104865300220106765300090108970000180109870000240111611031831994-07-25               bl uuuu      00u1 u    #d  a3-540-09414-81 aHALL, A.E.  aAgriculture in semi-arid environments.  aBerlin: Springer-Verlag / New York: Heidelbergc1979  a340p.cil.  aAncient agricultural systems in dry regions; Development of present dryland farming systems; Semi-arid climates: their definition and distribution; Agroclimatology applied to water management in the Sudain and Sahelian Zones of Africa; Microbiological and biochemical aspects of semi-arid agricultural soils; Crop adaptation to semi-arid environments; Water transport through soil, plant, and atmosphere; Crop management in semi-arid enviroments; Soil management in semi-arid environments; Erosion and its control in semi-arid regions; Diseases and nematode pests in semi-arid West Africa; Weed control; The interaction between cultivation and Livestock production in semi-arid Africa.  aACLIMATACAO  aAGRICULTURA  aCLIMA  aCONTROLE  aDOENCA DE PLANTA  aEROSAO  aERVA DANINHA  aHERBICIDA  aMEIO AMBIENTE  aNEMATOIDE  aPLANTA DANINHA  aREGIAO SEMI-ARIDA  aSOLO1 aCANNELL, G.H.1 aLAWTON, H.W. (Ed.).