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<br />.-;. <br />~~ UNITED STATES DEPARTt7E?IT OF AG?2ICULT[,'~E <br />• Soil Conservation Service <br />Colorado <br />STANDA.~D AND SPECIFICATIONS <br />Hulching (Code 484) <br />Standard <br />Definition <br /> <br />TECHNICAL GUIDE <br />Section IV <br />December, 1976 <br />Applying plant residues or other suitzble materials not produced on the <br />site to the soil surface. <br />Pur ose <br />To conserve moisture; prevent surface compaction or crusting; reduce <br />runoff and erosion; control weeds; and help establish plant cover. <br />Where aoolicable <br />On soils subject to erosion on which low-residue-producing crops, s~ich <br />as grapes and small fruits are groin; on critical areas;. and on roils <br />that have a low infiltration rate. <br />SPECIFICATIONS <br />A. General <br />1. The area shall be relatively smooth and free of gullies ~~r drifts. <br />2. Mulching material shall be applied immediately before or after <br />seeding unless seed is applied with mulch. When stabilizing sandy <br />soils it is recommended that seeding rill be done after mulch <br />application to prevent seeding too deep. <br />B. Strax or Hay Mulch <br />1. The material xill be grass hay or cereal grain straw. (Both <br />referred to as straw in these specifications) <br />2. The normal rate of application shall be 4,000 lbs/Ac of air dry <br />material. <br />3. At least 50$ of the mulch by weight shall be 10 inches or more <br />in length. <br />4. The straw will be free of noxious needs. <br />5. Hulch Anchoring-apply immediately after 3istrib~ting straw. <br />Page 1 of 2 <br />