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Home My WebLink About972689.tiff v I( p e y : 0 0 q n \ I nse . , Olitibi . 0 Pty"/. is 5'(Y ' 'k� �, .—(r lc a . ',.,;;,,,A NCR i S N V r l Z(Ln ,•14 yr11 1P...N l bY3CS Y{ .[Nary jy 1l W', NN �1,!1`Ycc J n o C "a l9, ,( r 1A a P -0� ♦ rte. 1 � p t A X11. fry b" -/' Y /. 1 ♦ t., ,. 1,1K'Vii.- o 4 e /xt / -- 4 ,11q� e .ter c. es en ,D f S, Q1 . F, j 4 cn w IL �' N I-• V ,.. N • N . N J 1 o .-I .o .,Y Cr �ro e lI 0, N ry i i• ^ xf 1 �N a n a, a P 1 ^M� G.� 4'4, r IA's. "' � ,t r1. LO v 3 1 i S^ '•s ''1'„ #' r C s O d u . y t15 ,sS et try;9 , , 40,4�-'�l' ` L.rrw , 1,1 R«x { , t o • l' M Oy YYIn 1 YJ • Ids S N i' r•a {.. , II,,�'d,�f9 tt 'L!r' r „•Y`>c,�„xq L��i e S • H 2kijats b t i t k n : .. ,L r ,:1) � .i r.'1' • . r #�4.:. er.`vsn'� iJ it J�rY , s g! I ` ID H. ' . I /' e 1O r it C " y b r° • ; • , n dr+ "G.;. . <• N �. 972689 • 30 SOIL SURVEY Permeability is moderately slow. Available water In irrigated areas this soil is suited to the crops corn- capacity is high. The effective rooting depth is 60 inches monly grown in the area. Perennial grasses and alfalfa or or more. Surface runoff is slow, and the erosion hazard is close grown crops should be grown at least 50 percent of low. In irrigated areas this soil is suited to the crops corn- the time. Contour ditches and corrugations can be used in monly grown in the ea area.h Perennial grasses r and alfalfa p or irrigating crops and pasture. Furrows, contour furrows, ' Sprin- close grown crops should be grown at least 50 percent of and cross slope furrows are suitable for row crops.klet• irrigation is also desirable. Keeping tillage to a the time. Contour ditches and corrugations can be used in minimum and utilizing crop residue help to control ero_ irrigating close grown crops and pasture. Furrows, con- tour furrows, and cross slope furrows are suitable for row sion. Maintainingti sophosphorusfertility is important. Crops respond to crops. Sprinkler irrigation is also desirable. Keeping til- applications of and nitrogen. lage to a minimum and utilizing crop residue help to con- In n, and Sorg areas this of tie suited to is sr wheat, d trol erosion. Maintaining fertility is important. Crops tbarley, and sorghum. Mostdthe the acreage planted 90 respond to applications of phosphorus and nitrogen. bushels winter e. The predicted average m yield is '2n - In nonirrigated areas this soil is suited to winter wheat, alternate per acre. The soil is usually r summer Generally e in barley, and sorghum. Most of the acreage is planted to years to ow for beneficial e accumulation.eofertilizer. winter wheat. The predicted average yield is 28 bushels precipitation is too low use andf minimum ii til- per acre. The soil is summer fallowed in alternate Stubble mulch to facontro striperopping,g, water o to allow moisture accumulation. Generally years lage are needed maycontrol soil blowing and eer erosion. too low for beneficial use of fertilizer. precipitation is Terracing also be needed to control water erosion. Stubble mulch farming, striperopping, and minimum til- The potential native vegetation on this range site is dominated by sand bluestem, sand reedgrass, and blue lage are needed to control soil blowing. Windbreaks and environmental plantings are generally grama. Needleandthread, switchgrass, sideoats grama, suited to this soil. Soil blowing, the principal hazard in and western wheatgrass are also prominent. Potential es trees and shrubs, can be controlled btiy col- Production ranges from 2,200 pounds per acre in favora- ble vating only in the tree row and by leaving a strip of ble years to 1,800 pounds in unfavorable years. As range condition deteriorates, the sand bluestem, sand reedgrass, vegetation between the rows. Supplemental irrigation and switchgrass decrease and blue grama, sand may be needed at the time of planting and during dry (hayseed, periods. Trees that are best suited and have good survival and sand sage increase. Annual weeds and grasses invade are Rocky Mountain juniper, eastern redcedar, ponderosa the site as range condition becomes poorer. pine, Siberian elm, Russian-olive, and hackberry. The Management of vegetation on this soil should be based shrubs best suited are skunkbush sumac, lilac, and Siberi- on taking half and leaving half of the total annual produc- an peashrub. tion. Seeding is desirable if the range is in poor condition. Wildlife is an important secondary use of this soil. Sand bluestem, sand reedgrass, switchgrass, sideoats grama, blue grama, pubescent wheatgrass, and crested Ring-necked pheasant, mourning dove, and many non- game species can be attracted by establishing areas for wheatgrass are suitable for seeding. The grass selected should meet the seasonal requirements of livestock. It can nesting and escape cover. For pheasants, undisturbed nesting cover is essential and should be included in plans be seeded into a clean, firm sorghum stubble, or it can he for habitat development, especially in areas of intensive drilled into a firm prepared seedbed. Seeding early in agriculture. spring has proven most successful. Few areas of this Nunn soil are in major growth and Windbreaks and environmental plantings are generally urbanized centers. The sandy surface layer, the moderate suited to this soil. Soil blowing, the principal hazard in shrink-swell potential in the subsoil, and the hazard of establishing trees and shrubs, can be controlled by cul- rare flooding along Box Elder Creek are the chief limit- tivating only in the tree row and by leaving a strip of ing features for development. Capability subclass Me ir- vegetation between the rows. Supplemental irrigation r•igated, Ne nonirrigaterl. may be needed at the time of planting and during dry 44—Olney loamy sand, 1 to 3 percent slopes. This is a Periods.Trees that are best suited and have good survival deep, well drained soil on smooth plains at elevations of are Rocky Mountain juniper, eastern redcedar, ponderosa 4,600 to 5,200 feet. It formed in mixed outwash deposits. Pine, Siberian elm, Russian-olive, and hackberry. The Included in mapping are some small leveled areas. shrubs best suited are skunkbush sumac, lilac, and Siheri- Typically the surface layer is grayish brown loamy sand an peashrub. about 9 inches thick. The subsoil is yellowish brown and Wildlife is an important secondary use of this soil. The very pale brown sandy clay loam about 15 inches thick. cropland areas provide favorable habitat for ring-necked The substratum to a depth of 60 inches is very pale pheasant and mourning dove. Many nongame species can brown, calcareous fine sandy loam. be areas for ing and escae Permeability and available water capacity are cover.[For pheasants, undiacted by sturbed nesting tcovver is essen- moderate. The effective rooting depth is 60 inches or tial and should be included in plans for habitat develop- more. Surface runoff is slow, and the erosion hazard is ment, especially in areas of intensive agriculture. Range- low. land wildlife, for example, the pronghorn antelope, can be 972689 WELD COUNTY, COLORADO, SOUTHERN PART 31 attracted by developing livestock watering facilities, establishing trees and shrubs, can be controlled by cul- managing livestock grazing and reseeding where needed. tivating only in the tree row and by leaving a strip of - This soil has good potential for urban development. The vegetation between the rows. Supplemental irrigation inly limiting feature is the moderately rapid permeability may be needed at the time of planting and during dry in the substratum, which causes a hazard of ground water periods. Trees that are best suited and have good survival contamination from sewage lagoons. The loamy sand sur- are Rocky Mountain juniper, eastern redcedar, ponderosa face layer is a limitation for recreational development. pine, Siberian elm, Russian-olive, and hackberry. The Once established, the lawns, shrubs, and trees grow well. shrubs best suited are skunkhush sumac, lilac, and Siberi- Capability subclass IIIe irrigated, IVe nonirrigated; an peashrub. Sandy Plains range site. Wildlife an important secondary use of this soil. The 45—Olney loamy sand, 3 to 5 percent slopes. This is a areas deep, well drained soil on plains at elevations of 4,600 to pheasant and providg e dove.f v .Many n a habitat for ring-game es can can 5,200 feet. It formed in mixed outwash deposits. Included be attracted by establishing areas for nesting and escape in mapping are small areas of soils that have sandstone cover. For pheasants, undisturbed nesting cover is essen- and shale within a depth of 60 inches and some small tial and should be included in plans for habitat develop- leveled areas. ment, especially in areas of intensive agriculture. Range- Typically the surface layer of this Olney soil is grayish land wildlife, for example, the pronghorn antelope, can be brown loamy sand about 7 inches thick. The subsoil is yel- attracted by developing livestock watering facilities, lowish brown and very pale brown sandy clay loam about managing livestock grazing, and reseeding where needed. 14 inches thick. The substratum to a depth of 60 inches is This soil has good potential for urban development. The very pale brown, calcareous fine sandy loam. only limiting feature is the moderately rapid permeability Permeability and available water capacity are in the substratum, which causes a hazard of ground water moderate. The effective rooting depth is 60 inches or contamination from sewage lagoons. The loamy sand sur- more. Surface runoff is slow, and the erosion hazard if face layer is a limitation for recreational development. low. In irrigated areas this soil is suited to the cro com- Once established, the lawns, shrubs, and trees grow well. ti monly grown in the area. Perennial P- Capability subclass IIIe irrigated, VI nonirrigated; Sandy grasses and alfalfa or Plains range site. close grown crops should be grown at least 50 percent of 46—Olney fine sandy loam, 0 to 1 percent slopes. the time. Close grown crops and pasture can be irrigated This is a deep, well drained soil on smooth plains at eleva- with contour ditches and corrugations. Furrows, contour tions of 4,600 to 5,200 feet. It formed in mixed outwash --eurrows, and cross slope furrows are suitable for row deposits. Included in mapping are small areas of soils that ..ups. Sprinkler irrigation is also desirable. Keeping til- have a dark surface layer and some small leveled areas. )age to a minimum and utilizing crop residue help to con- Typically the surface layer of this Olney soil is grayish trol erosion. Maintaining fertility and organic matter con- brown fine sandy loam about 10 inches thick. The subsoil tent is important. Crops respond to barnyard manure and is yellowish brown and very pale brown sandy clay loam commercial fertilizer. aThe potential native vegetation on this range site is inches 15 inches thick. The substratum to a depth of 60 pale now calcareous dominated by sand bluestem, sand reedgrass, and blue Permeability and available water sandy capacity are grama. Needleandthread, switchgrass, sideoats grama, moderate. The effective rooting depth is 60 inches or and western wheatgrass are also prominent. Potential more. Surface runoff is slow, and the erosion hazard is production ranges from 2,200 pounds per acre in favora- low. ble years to 1,800 pounds in unfavorable years. As range This soil is used almost entirely for irrigated crops. It condition deteriorates, the sand bluestem, sand reedgrass, is suited to all crops commonly grown in the area, includ- and switchgrass decrease and blue grama, sand dropseed, ing corn, sugar beets, beans, alfalfa, small grain, potatoes, and sand sage increase. Annual weeds and grasses invade and onions. An example of a suitable cropping system is 3 the site as range condition becomes poorer. to 4 years Management of vegetation on this soil should be based sugar beets,small grf ain, or r beds. corn,w conservation corn for silage, on taking half and leaving half of the total annual procluc- tices are needed to btop ny ids. ds. prac- tion. Seeding is desirable if the range is in poor condition. All methods of irrigation are ysuitable, but furrow it-- Sand bluestem, sand reedgrass, switchgrass, sideoats rigation is the most common. Barnyard manure and com- grama, blue grama, pubescent wheatgrass, and crested mercial fertilizer are needed for top yields. wheatgrass are suitable for seeding. The grass selected Windbreaks and environmental plantings are generally should meet the seasonal requirements of livestock. It can suited to this soil. Soil blowing, the principal hazard in be seeded into clean, firm sorghum stubble, or it can be establishing trees and shrubs, can be controlled by cul- drilled into a firm prepared seedbed. Seeding early in tivating only in the tree row and by leaving a strip of spring has proven most successful. vegetation between the rows. Supplemental irrigation Windbreaks and environmental plantings are generally may be needed at the time of planting and during dry suited to this soil. Soil blowing, the principal hazard in periods. Trees that are best suited and have good survival 972689 44 SOIL SURVEY to allow moisture accumulation. Generally precipitation is Permeability is rapid. Available water capacity is low. too low to make beneficial use of fertilizer. The effective rooting depth is 60 inches or more. Surface Stubble mulch farming, striperopping, and minimum til- runoff is medium, and the erosion hazard is moderate. lage are needed to control soil blowing and water erosion. The potential native vegetation is dominated by little Terracing also may be needed to control water erosion. bluestem, sideoats grama, sand reedgrass, blue grama, The potential native vegetation is dominated by hairy grama, switchgrass, and needleandthread. Potential western wheatgrass and blue grama. Buffalograss is also production ranges from 700 pounds per acre in favorable present. Potential production ranges from 1,000 pounds years to 200 pounds in unfavorable years. As range condi- per acre in favorable years to 600 pounds in unfavorable tion deteriorates, the tall and mid grasses decrease, blue years. As range condition deteriorates, a blue grama-buf- grama and hairy grama increase, and forage production falograss sod forms. Undesirable weeds and annuals in- drops. vade the site as range condition becomes poorer. Management of vegetation should be based on taking Management of vegetation on this soil should be based half or less of the total annual production. Deferred graz- on taking half and leaving half of the total annual produc- ing is practical in improving range condition. Seeding and tion. Range pitting can reduce runoff. Seeding is desirable mechanical treatment are impractical. if the range is in poor condition. Western wheatgrass, Windbreaks and environmental plantings generally are not suited to these soils. Onsite investigation is needed to blue grama, sideoats grama, buffalograss, pubescent wheatgrass, and crested wheatgrass are suitable for seed- determine if plantings are feasible. ing. The grass selected should meet the seasonal require- Wildlife populations are limited because the necessary menu of livestock. It can be seeded into a clean, firm habitat elements are lacking. Because most of the acreage sorghum stubble, or it can be drilled into a firm prepared is rangeland, only rangeland wildlife, for example scaled quail and antelope, are typical. Extreme care is needed in seedbed. Seeding early in spring has proven most success- ful. managing livestock grazing in order to provide suitable Windbreaks and environmental plantings of trees and habitat on these soils. Potential is poor for urban and recreational develop- s hrubs commonly grown in the area are generally well ment. The chief limiting soil features are the loose, coarse suited to this soil. Cultivation to control competing textured soil, steep slopes, and rapid permeability. Capa- vegetation should be continued for as many years as possible following planting. Trees that are best suited and bility subclass VIIs irrigated, VIIs nonirrigated; Gravel have good survival are Rocky Mountain juniper, eastern Breaks range site. redeedar, ponderosa pine, Siberian elm, Russian-olive, and 69—Valen d sand, 0 to 3 percent slopes. This is a deep, hackberry. The shrubs best suited are skunkbush sumac, excessively drained soil on plains at elevations of 4,650 to 5,100 feet. It formed in eolian deposits. Included in lilac, Siberian peashrub, and American plum. Wildlife is an important secondary use of this soil. The mapping are small areas of soils that have lime within a cropland areas provide favorable habitat for ring-necked depth of 40 inches. Typically the surface layer is brown sand about 8 pheasant and mourning dove. Many nongame species can inches thick. The underlying material to a depth of 60he attracted by establishing areas for nesting and escape inches cover. For pheasants, undisturbed nesting cover is essen- is brown Permeability sand. tial and should be included in plans for habitat develop- moderate. Therapid. is effective rooting depth is 60 inches or ment, especially in areas of intensive agriculture. Range- more. Surface runoff is slow, and the erosion hazard is land wildlife, for example, the pronghorn antelope, can be low, attracted by developing livestock watering facilities, This soil is suited to limited cropping. Intensive managing livestock grazing, and reseeding where needed. cropping is hazardous because of erosion. The cropping This soil has poor potential for urban and recreational system should be limited to such close grown crops as al- development. Slow permeability and high shrink swell falfa, wheat, and barley. The soil also is suited to ir- cause problems in dwelling and road construction. Capa- rigated pasture. A suitable cropping system is 3 to 4 bility subclass Tile irrigated, IVe nonimgated; Clayey years of alfalfa followed by 2 years of corn and small Plains range site. grain and alfalfa seeded with a nurse crop. 68—Ustic Torriorthents, moderately steep. These are Closely spaced contour ditches or sprinkers can be used deep, excessively drained soils on terrace breaks and in irrigating close grown crops. Contour furrows or sprin- escarpments at elevations of 4,450 to 5,100 feet. They klers should be used for new crops. Applications of bar- formed in gravelly alluvium and have slopes of 9 to 25 nyard manure and commercial fertilizer help to maintain percent. Included in mapping are small areas of soils that good production. have pockets of sandy loam and loam in the underlying The potential vegetation is dominated by sand material. bluestem, sand reedg rass, sw sideoats g-rams grama, Typically the surface layer is pale brown gravelly sand needleandthread, little bluestem, and blue grama. Poten- about 10 inches thick. The underlying material to a depth tial production ranges from 2,500 pounds per acre in of 60 inches is pale brown gravelly sand. favorable years to 1,800 pounds in unfavorable years. As �... -_ .-,a..�. ,,.... 972689 WELD COUNTY, COLORADO, SOUTHERN PART 45 range condition deteriorates, the sand bluestem, The potential vegetation is dominated by sand switchgrass, sand reedgrass, sideoats grama, and little bluestem, sand reedgrass, switchgrass, sideoats grama, bluestem decrease, forage production drops, and sand needleandthread, little bluestem, and blue grama. Poten- sage increases. Undesirable weeds and annuals invade tial production ranges from 2,500 pounds per acre in and "blowout" conditions can occur as range condition favorable years to 1,800 pounds in unfavorable years. As becomes poorer. range condition deteriorates, the sand bluestem, Management of vegetation on this soil should be based switchgrass, sand reedgrass, sideoats grama, and little on taking half and leaving half of the total annual produc- bluestem decrease, forage production drops, and sand tion. Seeding is desirable if the range is in poor condition. sage increases. Undesirable weeds and annuals invade Sand bluestem, sand reedgrass, indiangrass, switchgrass, and "blowout" conditions can occur as range condition sideoats grama, little bluestem, and blue grama are suita- becomes poorer. ble for seeding. Because this soil is susceptible to soil Management of vegetation on this soil should be based blowing, it should be seeded using an, interseeder, or the on taking half and leaving half of the total annual produc- seed should be drilled into a firm, clean sorghum stubble. tion. Seeding is desirable if the range is in poor condition. Seeding early in spring has proven most successful. Brush Sand bluestem, sand reedgrass, indiangrass, switchgrass, management also can help in improving deteriorated side-oats grama, little bluestem, and blue grama are suita- range. ble for seeding. Because this soil is susceptible to soil Windbreaks and environmental plantings are fairly well blowing, it should be seeded using an interseeder or the suited to this soil. Blowing sand and the moderate availa- seed should be drilled into a firm, clean sorghum stubble. ble water capacity are the principal hazards in establish- Seeding early in spring has proven most successful. Brush ing trees and shrubs. The soil is so loose that trees should management can also help in improving deteriorated be planted in shallow furrows, maintaining vegetation range. between the rows. Supplemental irrigation is needed to Windbreaks and environmental plantings are generally insure survival. Trees that are best suited and have good not suited to this soil. Onsite investigation is needed to survival are Rocky Mountain juniper, eastern redcedar, determine if plantings are feasible. ponderosa pine, and Siberian elm. The shrubs best suited Wildlife is an important secondary use of this soil. Ran- are skunkbush sumac, lilac, and Siberian peashrub. d wildlife, for Wildlife is an important secondary use of this soil. The be] attracted by develop ng livestockk waeringfacilities, cropland areas provide favorable habitat for ring-necked managing livestock grazing, and reseeding where needed. pheasant and mourning dove. Many nongame species can This soil has fair potential for urban development. The be attracted by establishing areas for nesting and escape chief limiting soil features are the rapid permeability and cover. For pheasants, undisturbed nesting cover is essen- the susceptibility to soil blowing. Septic tank absorption tial and should be included in plans for habitat develop- fields function properly, but in places the sandy sub- ment, especially in areas of intensive agriculture. Range- stratum does not properly filter the leachate. Sewage land wildlife, for example, the pronghorn antelope, can be lagoons must be sealed. Once established, lawns, shrubs, attracted by developing livestock watering facilities, and trees grow well. Capability subclass VIe irrigated, managing livestock grazing, and reseeding where needed. Vie nonirrigated; Deep Sand range site. This soil has fair potential for urban development. The 71—Valent-Loup complex, 0 to 9 percent slopes. This primary limiting soil features are the rapid permeability level to moderately sloping map unit occupies hills, ridges, and the susceptibility to soil blowing. Septic tank absorp- and depression or pothole-like areas in the sandhills at tion fields function properly, but in places the sandy sub- elevations of 4,670 to 4,700 feet. The Valent soil makes up stratum does not properly filter the leachate. Sewage about 60 percent of the unit, the Loup soil about 35 per- lagoons must he sealed. Once established, the lawns, cent. About 5 percent is dune sand. The Valent soil occu- shrubs, and trees grow well. Capability subclass IVe ir- pies the hills and ridges and the Loup soil the depressions rigated, Vie nonirrigated; Deep Sand range site. or potholes. 70—Valent sand, 3 to 9 percent slopes. This is a deep, The Valent soil is deep and excessively drained. It excessively drained soil on plains at elevations of 4,650 to formed in eolian deposits. Typically the surface layer is 5,100 feet. It formed in eolian deposits. Included in brown sand about 8 inches thick. The underlying material mapping are small areas of soils that have lime within a to a depth of 60 inches is brown sand. depth of 40 inches. Also included are small areas of soils Permeability is rapid. Available water capacity is that have sandstone between 40 and 60 inches. moderate. The effective rooting depth is 60 inches or Typically the surface layer of the Valent soil is brown more. Surface runoff is slow, and the erosion hazard is sand about 6 inches thick. The underlying material to a low. depth of 60 inches is brown sand. The Loup soil is deep and poorly drained. It formed in Permeability is rapid. Available water capacity is sandy alluvium. Typically the surface layer is very dark moderate. The effective rooting depth is 60 inches or grayish brown, mottled loamy sand about 16 inches thick. more. Surface runoff is slow, and the erosion hazard is The underlying material to a depth of 60 inches is light low. brownish gray, mottled loamy sand and sandy loam. 372689 2689 Hello