what is meant by continous contrute trenches
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The aim of watershed management is to prevent rainwater from flowing away and help it to instead percolate into the soil. The watershed treatment known as deep Continuous Contour Trenches (CCT) performs the function of a speed breaker on flowing water.
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Contour trenches are ditches dug along a hillside in such a way that they follow a
contour and run perpendicular to the flow of water. The soil excavated from the ditch is used to form a berm on the downhill edge of the ditch
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