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<br />Time of seedier <br />Critical t+~ea Planting 342-3 <br />Grasses, legumes and other seeded species shall be planted within the seeding <br />periods specified in Table 1, with the provision that up to 10 days tolerance <br />from the specified periods may be allowed for the purpose of adapting to local <br />soil moisture conditions. Rocky Mountain pei~stemon, hairy vetch, milkvetch <br />and Indian ricegrass should be planted in the fall so that freezing and thawing <br />can break seed dormancy Eor spring germination. <br />Table 1. Seeding dates for Critical Area Plantings _ <br />____ ~ Cool Season Plants Warm Season Plants <br />MLRA* Dormant-Sp ring Summer Dormant-Spring Summer <br /> <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, Oc[ I-Apr 30 Jun 15-Jul 15 1/ Oct 1-Apr. 30 Jun 1S-Jul 15 <br />E-47 <br />E-49A,E-49B Oct 15-May 15 Aug 1-Aug 31 2/ Oct 15-May 31 <br />E-51 Oct 1S-Apr 15 Jun 15-Jul 15 Oct 15-Apr 15 Jun 15-Jul 1S <br />G-67 So.Colo. Nov 1-Apr 30 Aug 15-Sep 15 ?/ Nov i-May 31 <br />G-70,H-77 <br />G-67 No.Cola. Oct 15-May 15 Aug 15-Sep 15 ?/ Nov 1-May 3I <br />N-7? <br />G-69A,G-69B Nov !-Apr 30 Aug 15-Sep 1S ~/ Nov 1-Mav 31 <br />-~'!s j.~r Land Resource Area <br />1/ Applicat~le to MLRA E-48A and E-48B on eastern slope of Rocky htountains. <br />?/ Applicable to irrigated sites. <br />Rates of see;din <br />Seeding rates shall be in accordance with Colorado Agronomy Technical Note 1161, <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 and Forbs <br />Eor Critical. Area Plantings and from the table of "Woody Plants for Critical Area <br />Plantings" ~~ttached 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 basis. Other plants that are <br />indigenous t:o the site may also be planted whenever available. <br />TGN 11170 USDA/SCSIColorado-7/81 <br />3 <br /> <br />