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4~ <br /> <br />i Critical Area Planting <br />...• <br />Table 8. perennial grasses and fortis for critical area plantings in Major Land Resource Areas G-70, H-71 <br />and Southern part of G-67 or areas receiving less than 15 inches annual precipitation. . <br /> L <br />a+ ., Soilsl/ and Exposure <br />bilit <br />Ad <br />t <br />Rati <br />s?/ <br /> ~ ~, <br />' tl <br />G ap <br />a y ng <br /> d ;~ Slopes over 6:1. y <br />en <br /> Recom- ~ w t t sloping <br />Saec~es mended ~ o ~ c North South to Ease of Race <br />Salt <br /> Varieties m ~+ ~ _, and East and wes flat establish- <br />y of tolerance <br /> ' ~ ment Spread <br /> m`" S L C S L C S L C <br /> X X X 4 3 3 <br />Th~ckspilce wheatgrass ~ <br />(Agropyron dasys[ach um) <br />Western wheatgrass Arr~ba 5 12 X X XI X 2 4 ~ 3 <br />{Agrapyron sm~thii) Garton I <br /> Rosana <br />Sand bluestem Elida S 48 X X I X 4 a ~ 1 <br />I(Andropogon halli~) <br />____ !~! I I <br />~ ~ <br />` <br /> i 5 3 1 <br />S~deoats grama Vaughn B 15 X x l x x: x x 1 X X~ x I ( <br />j(8ouceloua curt ertdula) I Butte ~ I ( ~ I I ~ IJ , <br />~81ue grama' ( Lovington B 12 x X i X x i x !(` Xi X I X~ 2 2 2 <br />~(8outelo^ ua9recilis) i <br />I <br />•8uffalogra55 a/ ~ <br />{Bucnlo_ a dacty•lo:des) <br />~Pra~rte sandreed Goshen <br />{Calamo~ilfa }onc+falia) ~ i <br />I'IYe11ow sweetclover 1 <br />I(Mel~lotus offic:nalis) <br />ISw~tchgrass (Grenville <br /> <br />I ~ i i { ~ ! i <br />a l : ', i :~ X~ 2 S 2 I <br />S i ~ <br />I i'; i I 1~ i <br />S I as x~ ~ x l ~ X! ~ 3 i ~ 1 i <br />11 , <br />j , ! { ~ i ~ <br />36 (zi x;x ~x ~z xll x x, x} 5 ; 3 3 ~ <br />I ~ ~ ~ ~ E ~ I <br />S-~ :0 ixlx~ i i i xl x;x~ 4 2 a <br />' i <br />I i <br />L~ t'.le blue,re,n , Pastur3 B { 2a ,r ; t ; , I <br />~ I ~ I <br />~(Schiza~ rium scoparium) , . <br />Alkali sacaton 3/ ~ 4/ ! g Za + I l ~ ~ ~ x' x, 2 ~ 2 i S <br />i ~ ~ ~ i I <br />i(SDOrCbC~uS atro~d85) ! I 1 I~ i I ~ ' <br />~ , <br />,~ a/ ' e i 20 X( x i I j x, j l a I 3 1 1 <br />'Sand dropsee., ~ I I I I I I I <br />i($pOrCU01:15 Cr'/ptandrUS) ~ ~ I ( ' <br />. _- ~ ~; ~ I <br />1/ Soils: ~ = sandy; L = loamy; C clayey. <br />2/ Adaptability ratings: 1 = poor; 2 = fair; 3 = moderate; 4 =good; 5 = excellent. <br />3/ Moist lowlands. <br />s/ Seed source from within 150 mites of planting site is reconmended. <br />TCN Il110 <br />USDA/SCS/Colorado 7/81 <br />~ ~~ <br />