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484-2-Mulching <br />b. Asphalt: Either liquid or emulsified asphalt products may be <br />blown on with the straw, or sprayed or sprinkled after the straw is spread. <br />An application rate of 0.10 gal/sq.yd. or 500 gal/ac. should be used with <br />the liquid asphalt and a rate of 0.04 gal/sq.yd. or approximately 200 <br />gal/ac. should be used for the emulsified asphalt. Manufacturer's <br />recommendations should be followed in the mixture of asphalt and carrying <br />agent. <br />c. Other products are polyvinyl T acetates and organic tackifiers. <br />.. <br />d. Mechanical method - special equipment is manufactured <br />specifically for this purpose. However, if a "mulch crimper" is not <br />available, a farm type disc plow can be used by setting the disc straight <br />and apply adequate weight to crimp the straw 4 inches into the soil. <br />C. Jute Netting <br />A heavy woven jute mesh designed for mulching. Install in accordance <br />with the manufacturer's recommendations. <br />D. Excelsior Mat <br />A wood product covered with a plastic netting. Installation will be in <br />accordance with the manufacturer's recommendations. <br />E. Erosion Control Fabric or Blanket <br />A biodegradable polypropylene material constructed with knitted yarn <br />interwoven with strips of paper. Installation w.111 be in accordance with <br />the manufacturer's recommendations. <br />F. Feedlot or Barnyard Manure <br />1. The manure must be of a type that has 60% of more, by weight, heavy <br />chunks 5 inches or more in diameter. Granular or powdery manure will not <br />meet specifications. <br />2. The minimum rate of application shall be 20 tons per acre spread <br />uniformly over the area. <br />3. The manure will be applied immediately before or after seeding <br />depending on conditions determined by the technician. <br />TGN 11182 2/82 <br />