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Site Variation Adaptability of Seed Mix #1: <br />Dry Sites: All species <br />Moist Sites: Agropyron smithi, Bromus, Medicago, Poa, Dactylis <br />Cool Season: Agropyron, Elymus, Poa, Oryzopsis, Dactylis, Sanquisorba, Ceratoides. <br />Warm Season: Medicago, Atriplex, Sporobolus <br />Fine Textured Sites: Agropyron desertorum, Agrp[urpm smithii, Bromus, Elymus, <br />Medicago, Poa, Sanquisorba, Certoides, Atriplex, Dactylis. <br />Coarse Textured Sites: All species except Agropyron smithii <br />PLS - is the pure live seed content or percentage found in bulk seed. PLS is calculated <br />by multiplying the germination rate times the purity rate. Example: a seed tag listing <br />alfalfa as being 99 percent pure having a 91 percent germination rate would have a pure <br />live seed rate of 90 percent as seen by: <br />.99 x .91 x 100 = 90.09 PLS <br />Because purity and germination rates vary with each growing season and seed producer, <br />the seed rates listed in the Revegetation Plan are PLS rates (instead of bulk rates which <br />vary greatly due to variations in purity and germination). <br />4.2 Seed Mix #2 - Reclaimed Drainage /Mesic Site Mix <br />Species <br />Scientific Name <br />1. Agropyron dasystachyum <br />2. Agropyron Smithii <br />3. Agropyron trachycaulum <br />4. Bromus inermis <br />5. Medicago falcata <br />6. Poa compressa <br />7. Sporobolus airoides <br />Total <br />Revised February 2010 (PR06) <br />Tab 22 -7 <br />Drilled <br />Rate lbs. <br />Common Name <br />PLS/ acre` <br />Thickspike wheatgrass <br />4.0 <br />Western wheatgrass <br />5.0 <br />Slender wheatgrass <br />4.0 <br />Smooth brome <br />3.0 <br />Alfalfa, prostrate type <br />1.0 <br />Canada bluegrass <br />0.5 <br />Alkali sacaton <br />1_0 <br />18.5 <br />Tab 22 -7 <br />