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. ~.. <br />• t4ulch Requirements <br />1. Material will be native hay or cereal grain straw. <br />(In this Standard and Specification, both are referred <br />to as straw.) <br />2. Straw shall not be musty, moldy, decayed, caked or of <br />otherwise low quality. Straw shall be free of weeds •ind <br />viable seeds. <br />3. At least 50% of the straw, by weight, shall be 10 inc~es or <br />more in length. <br />Time of Application <br />When straw mulch is scheduled for use, its application sh~~uld <br />normally 6e the final operation; i.e. mulching should follow <br />fertilizing and seeding. However, seeding should 6e the Final <br />operation on loose sands, particularly when the mechanical method <br />is used to anchor the mulch. <br />Rate of Application <br />1. The normal rate of application shall be approximately 4,000 <br />• lbs/A of air dry straw. <br />2. If the straw is to be anchored by crimping, the rate ~~f application <br />shall be approximately 5,000 lbs/A of air dry straw. <br />Mulch Anchoring t4ethods <br />One of the following methods will be applied immediately '.o hold <br />mulch in place: <br />1. Manufactured mulch Wettings such as those made from piper or <br />plastic. (It may be desirable to use wire fencing, snow <br />fence or similar materials for small areas.) <br />.: 2. Asphalt. <br />3. Mechanical. (Crimper) <br />Page 2 of 4 <br /> <br />C <br />\_ <br />