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<br /> <br />Time of seeding <br />Critic~Area Planting 342-3 <br />Grasses, legumes and other seeded species shall be planted within the seeding <br />L~eriods•apecified in Table 1, with the provision that up to 10 days toleran~~e <br />from the specified periods may be allowed for Che purpose of adapting to local <br />soil moisture conditions. Rocky Mountain penstemon, hairy vetch, milkvetch <br />and Indian ricegrass should be planted in the fall so that freezing and thawing <br />can break seed dormancy for spring germination. <br />Table 1. Seedine dates for Critical Area Plantings <br /> <br />MLRA* Cool Season <br />Dormant'Spring Plants <br />Summer Warm Season Plante <br />Dormant-Spring Summer <br />D-34A,B,C, Oct 15-Apr 30 Jul 15-Aug 31 Oct 15-Apr 30 Jun 15-Jul 15 <br />D-35,D-37, <br />D-39 <br />E-48A,E-48B, Oct 1-Apr 30 Jun 15-Jul 15 1/ Oct 1-Apr 30 Jun 15 Jul 15 <br />E-47 <br />E-49A,E-49B Oct 15-May 15 Aug 1-Aug 31 ?/ Oct 15-May 31 <br />E-51 Oct 15-Apr 15 Jun 15-Jul 15 Oct 15-Apr 15 Jun 15-Jul 15 <br />C-67 So .Colo. Nov 1-Apr 30 Aug 15-Sep 15 ?/ Nov 1-May 31 <br />G-70,H-77 <br />G-67 No.Colo. Oct 15-May 15 Aug 15-Sep 15 ?/ Nov 1-May 31 <br />H-72 <br />G-69A,G-69B Nov 1-Apr 30 Aug 15-Sep 15 ?/ Nov 1-May 31 <br />*Ma~or Land Resource Area <br />1/ Applicable to MLRA E-48A and E-48B on eastern slope of Rocky Mountains. <br />2/ Applicable to irrigated sites.. <br />Rates of seeding <br />Seeding rates shall be in accordance with Colorado Agronomy Technical Note X161, <br />"Seeding Rates" dated March 16, 1981. Purity and germination tests for all lots <br />of seed shall be less than one year old. <br />Selection of species <br />Species planted shall be selected from the tables of "Perennial Grasses ail Forbs <br />far Critical Area Plantings" and from the table of "Woody Plants for CriC~~•.al Area <br />Plantings" attached to this specification (Tables 2 through 12). Use the attached <br />map of Major Land Resource Areas as a guide to the plant tables. The tables list <br />species that are normally available on a commercial 6aeis. Other plants !hat are <br />indigenous to tl~e site may also be planted w~ienever available. <br />TGN 11170 USDA/SCS/Colorado-7/tL <br />