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~J <br /> <br />342-6 Critical Area Planting <br />Table 2. Perennial grasses and fortis for critical area plantings in Major Land Resource Areas D-34A, D-346, <br />D-34C, D-35, D-37 and D-39. <br /> Uplands Lowlands 1/ <br /> t +' Pred ita[ion reci i[ation <br />/ <br /> E o, Adaptability Ratings3 <br /> Recommended t ° s w ` 12 >72 ` 12 >12 <br />Species Varieties ~ v w ~ <br /> m' v°, ~ ~ Soils Soils Soils Soils Ease of Rate <br /> <br />, ~ <br />m `~ <br />Establish- <br />of Salt <br /> £ Tolerance <br /> m~ L C L C L C L C ment Spread <br />Fairway wheatgrass B 16 X X X 4 2 2 <br />(Agropyron cristatum) <br />Crested wheatgrass Nordan B 20 X X X X 4 2 2 <br />(Agropyron desertorum) <br />Tall wheatgrass Largo B 48 X X 4 1 5 <br />(Agropyron elongatum) Jose <br />Beardless wheatgrass Whitmar B 24 X X 2 2 2 <br />(Agropyron inerme) <br />Streambank wheatgrass Sodar S 24 X X X X 4 4 3 <br />(Agropyron riparium) <br />Siberian wheatgrass P-27 B 24 X X 4 2 2 <br />(Agropyron sihiricum) <br />Western wheatgrass Arriba S 20 X X X 3 4 3 <br />(Agropyron smithii} Barton <br /> Rosana <br />Bluebunch wheatgrass 4/ B 24 X X 2 2 2 <br />(Agropyron spicatum) <br />Pubescent wheatgrass Luna S- 30 x x 4 3 2 <br />(Agropyron trichophorum) <br />~B as in wildrye 4/ B 48 X X X 3 2 3 <br />(Elymus cinereus) <br />Russian wildrye Vinall B 24 X X X 4 1 3 <br />(Elymus junceus) <br />al Leta Viva 5 18 X X X X x x X x 2 3 3 <br />(Hilaria jamesii) <br />Yellow sweetclover 36 X X X X X X X X 4 3 3 <br />(Melilotus officinalis) <br />Indian ricegrass Nezpar B 18 b e s t o n s an d s 2 3 2 <br />(Oryzopsis hymenoides) Paloma <br />Rocky Mountain pens temo Ba ndera 18 X 4 2 2 <br />(Penstemon strictus) <br />l kali sa ca ton 4/ 8 24 X X X I X 2 2 5 <br />(Spo robolus airoides) <br />Sand dropseed 4/ B 20 b e s t o n s an d s 3 3 1 <br />(Sporobolus cryptandrus) <br /> <br />1/ Low lying areas which receive additional water from higher ground; are gently sloping to flat. <br />2/ Elevations and soils are general. L = loamy soils; C = clayey soils. <br />3/ Adaptability ratings: 1 = poor; 2 = fair; 3 = moderate; 4 = good; 5 = excellent. <br />4/ Seed source from within 150 miles of planting site is recortmended. <br />TGN /1170 USDA/SCS/Colorado 7/81 <br />