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The Climax seed mixture has evolved over the last 23 years of <br /> testing and utilization. It has gained a well deserved reputa- <br /> tion for success under the environmental extremes of high <br /> altitude and poor soils and is in widespread use in North <br /> America. The seed mix presently is being tested on high alti- <br /> tude mine sites in Chile . The Climax mix will continue to <br /> evolve and change as research results from the mine site and <br /> other high altitude areas develop over the years. Currently, <br /> the Climax seed mix consists of the following species and per- <br /> centages: / <br /> Species Percentage by Weight �� , ee u,1,41,�, <br /> Rye (Secale cereale ) 20% <br /> Smooth Brome (Bromus inermis ) 15% <br /> White Dutch Clover (Trifolium repens ) 10% <br /> Creeping Foxtail (Alopecurus arundinaceus ) 9% <br /> Creeping Red Fescue (Festuca rubra ) 8% <br /> Hard Fescue (Festuca ovi—' na) 7% <br /> Timothy (Phleum pratense ) 5% <br /> Orchard Grass (Dactylis glomerata ) 5% <br /> Cicer Milkvetch (Astragalus cicer) 4% <br /> Arizona Fescue (Festuca arizonica ) 4% <br /> Kentucky Bluegrass (Poa pratensis ) 3% <br /> Redtop (Agrostis alba ) 3% <br /> Big Bluegrass (Poa Am la) 3% <br /> Canada Bluegrass (Poa compressa ) 2% <br /> Canby Bluegrass (Poa canbyi ) 2% <br /> The Climax mix generally is applied at a rate of fifty lbs . per <br /> acre on all slope and site types. The short growing season and <br /> cool temperatures on the property allow seeding to occur <br /> throughout the snow free period. <br /> Newly seeded areas are fertilized at the time of seeding with <br /> 18-46-0 (NPK) pelletized fertilizer at a rate of 400 lbs. per <br /> acre. For certain potassium deficient rock materials, an addi- <br /> tional 200 lbs . per acre of 0-0-60 (NPK ) is applied . If a <br /> revegetated area requires maintenance fertilization, ammonium <br /> nitrate ( 33-0-0 NPK) is applied at a rate of 100-200 lbs. per <br /> acre. <br /> Fertilizer and seed are applied using a 3 , 000 gallon truck- <br /> mounted hydroseeder. Generally, the seed bed is mulched either <br /> with commercial hydromulch at approximately one ton per acre or <br /> blown straw or native hay at approximately four tons per acre. <br /> When hydromulch is used , a commercial tackifier is added to <br /> reduce wind loss. Occasionally, very small or very steep areas <br /> are seeded and fertilized by hand using cyclone seeders . Mesh <br /> netting, either jute or plastic, also may be used in very speci- <br /> fic and very steep situations . <br /> E-4 <br />