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<br />:... <br />._ - . ~ . ~ ~ NOV Z <br />8 ~ylTq <br />;_•, United states Soil 9595 Nelson Road, Dox D <br />`, ~ F Department of Conservation Longmont, CO 00501 <br />Agriculture Service November 27, 190a <br />Mr. Bob Siegrist <br />Siegrist Sand and Gravel <br />6999 York Street <br />Denver, CO 80229 <br />Dear Mr. Siegrist: <br />At your request, I have made a site inspection of the Siegrist Sand and <br />Gravel Pit near Del Camino and have the following seeding recommendations <br />for the hillside: <br />Sideoats grama (Vaughn) 2.70 <br />Pubescent wheatgrass (Luna) 3.50 <br />lJestern wheatgrass (Arriba) 3.20 <br />Olue grama (Covington) .45 <br />Yellow sweet clover .70 <br />10.55 lbs/ac PLS* <br />*PLS = Pure Live Seed. The actual seeding rate will be determined <br />by the purity and germination rate of the seed. <br />Tlie riverbdnks should be seeded to the following mixture: <br />Tall wheatgrass (Largo) <br />Western wheatgrass (Arriba) <br />Switchgrass (Grenville) <br />Alkali sacaton <br />Yellow sweet clover <br />2.55 <br />z.ao <br />1.35 <br />.AS <br />.70 <br />7.45 lbs/ac PLS <br />This seeding rate is the amount required if the seed is drilled. If the <br />broadcast method is used, the seeding rate should be doubled. <br />The seedbed should be smooth and firmed and relatively free of weed seed. <br />A mulch may be required to retain soil moisture, hold soil in place until <br />the seeding is established, or prevent wind erosion. <br />Seed can be sown between November 1 and May 31, unless the ground is frozen. <br />Fertilizer should be used according to soil test results or at a rate of <br />50 lbs/ac nitrogen and 40 lbs/ac phosphorus. <br />'~ ~~ ` <br />u <br />