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<br /> <br /> 6 <br /> Q <br /> TABLE I - MANAGEMENT AND LAND TREATMENT MEASURES RECOMMENDED FOR REDUCTION to-' <br /> OF EROSION AND SEDIMENT YIELD UNDER VARIOUS SITE CONDITIONS ~ <br /> 0 <br /> c.;) <br /> Cli atic nviron ent Soils .. Uland Slo e To o ra h <br /> Semi Sub- Fine , Medium Coarse <br /> Measures Arid Arid Humid Humid Textured'Textured Textured Stee Moderate Gentle <br /> A B C D <br />Forest and Range Lands <br /> Brush control x x x x x x x <br /> Contour furrowing and <br /> trenching x x C B x x <br /> Contour terracing x x x x x x <br /> Critical area planting x x x x x x x <br /> Fire prevention and <br /> suppression x x x x x x x x <br /> Livestock exclusion x x x x x x x x x x <br /> Proper grazing use - <br /> trespass control x x x x x x x x x x <br /> Range seeding x x C B x x <br /> Rotation-deferred grazing x x x x x x x x <br /> Tree and shrub planting x x x x x x x <br />Cultivated Land <br /> Chiseling and subsoiling x x x x x <br /> Contour farming x x x x x x x x <br /> Contour terracing x x x C-D x x x <br /> Critical area planting x x x x x x x <br /> Crop residue and mulching x x x x x x x <br /> Field diversion x x x x x x <br /> Proper cropping and use x x x x x x x x <br /> Strip cropping x x x x x x x <br />* Mechanical treatments are not applicable on shallow soils. <br /> <br />