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r <br /> Transit Mix Concrete Co. <br /> 444 E. Costilla Street,Colorado Springs,CO 80903 Office: (719)475-0700 Fax: (719)475-0226 <br /> Fall 2019, Barnhart Gravel Pit: <br /> ➢ Drill seed the revised seed mix "cover crop" directly into and between the rows of <br /> sorghum, late October through December. <br /> ➢ The species chosen are those with the ability to tolerate alkali soils, match the site soil <br /> texture and require the least amount of annual precipitation. <br /> Proposed Replacement Seed Mix, Based on the Overburden/Topsoil stockpile at Pueblo <br /> East: <br /> Species Best on (5)Annual Alkali Expected Variety PLS <br /> soil types Avg. Soil performance lbs./Acre <br /> (C L) Precip. <br /> 12.9" <br /> Blue grama for crested 8+ Ok Ok - 0.75 <br /> wheatgrass An <br /> Pubescent wheatgrass Any 12+ Moderate Marginal Luna 1.0 <br /> for Purple prairie <br /> clover <br /> Little bluestem For Any 10+ Ok Ok Cimmaron or 3.0 <br /> Western wheatgrass Pastura <br /> Streambank S—C 8+ Moderate Ok Sodar 3.0 <br /> wheatgrass <br /> Sideoats grama Any 6+ Ok Ok Vaughn 0.75 <br /> Galleta grass An 5+ Ok Ok Viva 2.0 <br /> Sand dropseed S - Si 8+ Low Ok - .25 <br /> Alkali.sacaton Any 5+ High Ok - 1.0 <br /> Total: 11.75 <br /> 1. Italic font is existing species which are presently approved for the site and are proposed to be <br /> deleted. <br /> 2. Black font is species requested for approval. <br /> 3. G = Gravelly, S = sand, Si = silt, C = clay, L= loam <br /> 4. The species labeled as marginal are included given they are native to the area and/or based on <br /> reasonable performance at other sites. <br /> 5. Under"Annual Avg. Precip.", the number in the species row is the lower end of the <br /> precipitation range for the species. <br /> Soil Amendments: <br /> • Apply 20 lbs. /A P205 and disk into the subsoil. <br /> • As stated above, a reclamation company which submitted a bid for the seeding <br /> recommends an organic fertilizer for adding organic matter to the soil. <br /> 4 <br />