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y <br /> Sr <br /> Transit Mix Concrete Co. <br /> 444 E.Costilla Street,Colorado Springs, CO 80903 Office: (719)475-0700 Fax: (719)475-0226 <br /> SEED MIX Plant species mixture and seeding rate in pure live seed per acre <br /> SPECIES <br /> Common Name Scientific Name Seeding Rate <br /> GRASSES <br /> Nordan crested wheatgrass Agropyron desertorum 0.7 <br /> Critana thickspike wheatgrass Agropyron dasystaciyum 0.7 <br /> Bozoisky II Russian wildrye Elymus}unceus 1.0 <br /> Poloma Indian ricegrass Oryzopsis hymenoides 1.5 <br /> Cache meadow brome Bromus erectus 1.7 <br /> Sand dropseed Sporobolus cryptandrus 0.1 <br /> Green needlegrass Stipa viridula 1.4 <br /> The revised seed mix is based on the following site characteristics: <br /> • The soil texture is a sandy loam. <br /> • The pH of the soil 8.9. <br /> • The soil appears to be slightly saline. <br /> • The soil appears to be a low alkali soil. <br /> • The average annual precipitation is 13.0 inches. <br /> We prefer to use plant species with precipitation ranges lower than what the average annual <br /> precipitation is for a site. Plant species are more likely to become established if their <br /> precipitation requirements are somewhat less than the sites average annual precipitation. Once <br /> the plant species are established, they are then better able to deal with dry years. <br /> Proposed Revised Seed Mix: <br /> Species Variety* Reason for In+/Out- PLS <br /> lbs./acre <br /> Grasses: <br /> Crested wheatgrass Hycrest II +Aggressive against cheatgrass 3.0 <br /> Russian wildrye -Hard to establish on infertile <br /> soils <br /> Meadow brome -Needs 14+inches annual <br /> precipitation <br /> Sand dropseed +7"—10"annual precip. 0.1 <br /> Green Needlegrass - 12"-1 g„annual precip. <br /> 2 <br />