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Water Harvesting Asa Tool To Allow Environmental Recovery In A Semi-Arid Region In Brazil

A research project has been developed to evaluate the most effective microcatchment runoff farming rainwater harvesting technique to be applied in a semi-arid region in Brazil in order to increase soil humidity, minimize erosion and soil degradation as well as restore and create more options of land use for the population. The techniques tested in two 800 m2experimental plots were: Negarim; Semi-circular bunds; Contour Bunds; and Contour ridges. For each 3mx3m microcatchment one tree – guava ormango – was planted. A 200 m2area with no treatment was used as a control.


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