WELD COUNTY, COLORADO, SOUTHERN PART 47
<br />be attracted by establishing areas for nesting and escape wheatgrass are suitable for seeding. The grass selected
<br />cover. For pheasants, undisturbed nesting cover is essen- should meet the seasonal requirements of livestock. It can
<br />tial and should be included in plans for habitat develop- be seeded into a clean, firm sorghum stubble, or it can be
<br />ment, especially in areas of intensive agriculture. Range- drilled into a firm prepared seedbed. :feeding early in
<br />land wildlife, for example, the pronghorn antelope, can be spring has proven most successful.
<br />attracted by developing livestock watering facilities; Windbreaks and environmental plantings are fairly well
<br />managing livestock grazing, and reseeding where needed. suited to this soil. Blowing sand and low available water
<br />This soil has good potential for urban and recreational capacity are the principal hazards in establishing trees
<br />development. Once established, the lawns, shrubs; and and shrubs. The soil is so loose that trees should be
<br />trees grow well. The chief limiting soil feature is the planted in shallow furrows and vegetation maintained
<br />rapid permeability in the substratum, which causes a between the rows. Supplemental irrigation may be needed
<br />hazard of ground water contamination from sewage to insure survival. Trees that are best suited and have
<br />lagoons. In places recreational development is limited by good survival are Rocky Mountain juniper, western
<br />the susceptibility to soil blowing. Capability subclass Itle redeedar, ponderosa pine, and Siberian elm. The shrubs
<br />irrigated, IVe nonirrigated; Sandy Plains range site. best suited are skunkbush sumac, lilac, and Siberian
<br />73-Vona loamy sand, 3 to 5 percent slopes- This is a peashrub.
<br />deep, somewhat excessively drained soil on plains and Wildlife is an important secondary use of this soil. The
<br />high terraces at elevations of 4,600 to 5,200 feet. It cropland areas provide favorable habitat for ring-necked
<br />formed in eolian or alluvial deposits. Included in mapping pheasant and mourning dove- Many nongame species can
<br />are some leveled areas. Also included are small areas of be attracted by establishing areas for nesting and escape
<br />soils that have a loamy substratum and some areas of cover. For pheasants, undisturbed nesting cover is essen-
<br />soils that are nonealeareous to a depth of 60 inches. tial and should be included in plans for habitat develop-
<br />Typically the surface layer of this Vona soil is grayish ment, especially in areas of intensive agriculture. Range-
<br />brown. The upper 6 inches is loamy sand and the lower 5 land wildlife, for example, the pronghorn antelope, can be
<br />inches is fine sandy loam. The subsoil is brown and light attracted by developing livestock watering facilities,
<br />yellowish brown fine sandy loam about 14 inches thick. managing livestock grazing, and reseeding where needed.
<br />The substratum to a depth of 60 inches is sandy loam. This soil has good potential for urban and recreational
<br />Permeability is moderately rapid. Available water development. Once established, the lawns, shrubs, and
<br />capacity is moderate. The effective rooting depth is 60 trees grow well. The primary limiting soil feature is the
<br />inches or more. Surface runoff is slow, and the erosion rapid permeability in the substratum, which causes a
<br />hazard is low. hazard of ground water contamination from sewage
<br />This soil is suited to limited cropping. Intensive lagoons. In places recreational development is limited by
<br />cropping is hazardous because of soil blowing. The the susceptibility to soil blowing. Capability subclass IVe
<br />cropping system should be limited to such close grown irrigated, Vle nonirrigated Sandy Plains range site.
<br />crops as alfalfa, wheat, and barley. The soil is also suited 74--Vona loamy sand, 5 to 9 percent slopes. This is a
<br />to irrigated pasture. A suitable cropping stem is 3 to 4
<br />tiy' deep, somewhat excessively drained soil on plains at
<br />
<br />years of alfalfa followed 2 years of corn and small elevations of 4,600 to 5,200 feet. It formed in eolian
<br />
<br />grain and alfalfa seeded with h a nurse crop. deposits. Included in mapping are small areas of soils that
<br />
<br />Closely spaced contour ditches or sprinklers can be have a loamy substratum and areas of soils that are non-
<br />used in irrigating close grown crops. Contour furrows or ca
<br />oas
<br />to
<br />a
<br />depth
<br />60 inches.
<br />spinklers should he used for new crops. Application of Typica
<br />surface a l
<br />lly
<br />th
<br />e
<br />Typiayer is grayish brown. The upper
<br />
<br />barnyard manure and commercial fertilizer hel
<br />s to m
<br />i 6 inches is loamy sand and the lower 4 inches is fine
<br />p
<br />a
<br />n-
<br />Lain good production- sandy loam. The subsoil is brown and light yellowish
<br />
<br />The potential native vegetation on this range site is brawn fine sandy loam about 12 inches thick. The sub-
<br />
<br />dominated by sand bluestem, sand reedgrass
<br />and blue stratum to a depth of 60 inches is loamy sand.
<br />,
<br />grama. Needleandthread, switchgrass, sideoats grama,
<br />d Permeability is moderately rapid. Available water
<br />
<br />a
<br />capacity is moderate. The effective rooting depth is 60
<br />an
<br />western wheat ass are also
<br />gr' prominent. Potential
<br />production ranges from 2
<br />200
<br />ounds
<br />i
<br />f inches or more. Surface runoff is medium, and the erosion
<br />,
<br />p
<br />per acre
<br />n
<br />avora-
<br />ble years to 1,800 pounds in unfavorable years
<br />As range hazard is low.
<br />T
<br />.
<br />condition deteriorates
<br />the sand bluestem
<br />sand reed
<br />ra he potential native vegetation on this range site is
<br />,
<br />,
<br />g
<br />ss,
<br />and switchgrass decrease and blue grama
<br />sand dro
<br />seed dominated by sand bluestem, sand reedgrass, and blue
<br />N
<br />,
<br />p
<br />,
<br />and sand sage increase. Annual weeds and grasses invade grama.
<br />eed leandthread, switchgrass, sideoats grama,
<br />d
<br />
<br />the site as range condition becomes poorer an
<br />western wheatgrass are also prominent: Potential
<br />.
<br />Management of vegetation on this soil should b
<br />b
<br />d production ranges from 2,200 pounds per acre in favora-
<br />e
<br />ase
<br />on taking half and leaving half of the total annual
<br />rodue- tile. years to 1,800 pounds in unfavorable ,years. As range
<br />i
<br />di
<br />p
<br />Lion. Seeding is desirable if the range is in
<br />oor conditi con
<br />t
<br />on deteriorates, the sand bluestem, sand reedgrass,
<br />d
<br />i
<br />h
<br />p
<br />on.
<br />Sand bluestem, sand reedgrass, switchgrass, sideoats sw
<br />an
<br />tc
<br />grass decrease and blue grama, sand dropseed,
<br />and sand sage increase. Annual weeds and grasses invade
<br />grama, blue grama, pubescent wheatgrass, and crested the site as range: condition becomes poorer.
|