00749nam a2200193 a 450000100080000000500110000800800410001910000180006024500850007826000360016330000100019950000950020952001720030465000100047665300130048665300230049965300180052270000150054019666562023-07-05 1982 bl uuuu u0uu1 u #d1 aTHOMAS, P. K. aResource constraints and production technology in the Sertão Region of Araripe. aPetrolina: EMBRAPA-CPATSAc1982 a13 p. aTrabalho apresentado no I Simpósio Brasileiro do Trópico Semi-Árido, Olinda, ago. 1982. aThe present study has been undertaken to evaluate the status of the rainfall and soil resources of the area as represented by the Research Centre's Campus at Araripina aChuva aRainfall aSertão do araripe aSoil resource1 aFERRAZ, L.