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.=~~ -~~- ~ Npy 81989 <br />.. . ~ ~ z <br />~~ United States Soil 9595 Nelson Road, Box D <br />l~ Department of Conservation Longmont, CO 80501 <br />Agriculture Service NOVember 27, 1984 <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 />Western wheatgrass (Arriba) 3.20 <br />Blue grama (Covington) .45 <br />Yellow sweet clover 70 <br />x.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 />The riverbAnks 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 />2.40 <br />1.35 <br />.45 <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 />~' , <br />v `-~ <br />