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• Seed Mix #6 -Irrigated Alfalfa Hayland (Rice Tract/ Garvey & Company) <br />This seed mix is preferred by the land owner, Garvey & Company <br />Drilled <br />Rate lbs. <br />S ecies Cultivar PLS/acre" <br />Alfalfa Spreador 2 12 <br />Orchardgrass 8 <br />Meadow Brome 7 <br />Total 27 <br />All of the species which are proposed for the seed mixes is adapted to the conditions in the <br />Nucla area. Many of them occurred on the site prior to mining or have been used in past <br />reclamation. <br />Many species will naturally return when topsoil is distributed on graded areas. While there <br />are nearly eighty fortis and thirty grass and grass-like species which occur on the proposed <br />permit area (see Tab 10, Addendum 10-1 Nucla Mine Vegetation Baseline Study, Appendix <br />• C; Plant Species List), only eight are listed as noxious in the Colorado Noxious Weed Seed <br />Requirements recognized in the Administration of the Federal Seed Act, (U. S. Department <br />of Agriculture, January, 1978). These eight species include: <br />1. Agropyron repens Common quackgrass <br />2. Cardaria pubescens Hairy whitetop <br />3. Centaurea repens Russian knapweed <br />4. Cirsium arvense Canada thistle <br />5. Chorispora tenella Common bluemustard <br />6. Convovulus arvensis Field bindweed <br />7. Plantago lanceolata Buckhorn plantain <br />S. Rumex crispus Curly dock <br />Seeding and Planting Methods. During the first available (weather dependent) planting <br />season after topsoil replacement (usually April f to May 15 and September 1 to November <br />15), the appropriate perennial seed mixes will be seeded. Any interseedingi or reseeding <br />would be accomplished usually concurrent with the regular planting season. <br />• REVISED 3-19-98 <br />22-8 <br />