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LOGAN COUNTY,COLORADO 27
<br />Included in this unit are small areas of Haxtun loamy Windbreaks and environmental plantings are, generally
<br />Soil blowing is the principal concern in
<br />this sod
<br />d t
<br />it
<br />.
<br />o
<br />e
<br />sand and Julesburg loamy sand, both having slopes of 0 to su
<br />establishing trees and shrubs. This hazard can be over-
<br />3 percent.
<br />Typically the surface layer is grayish brown loamy sand come by special care, consisting of cultivating only in the
<br />and leaving a strip of vegetative cover between
<br />t
<br />ree row
<br />about 24 inches thick. The underlying layer is dark brown
<br />thick over dark grayish the rows. Supplemental irrigation is necessary at the time
<br />h
<br />13 i
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<br />nc
<br />loamy sand about
<br />brown and brown stratified sandy loam and loamy sand of planting and during dry periods. Trees best suited and
<br />rvival are Rocky Mountain juniper, eastern
<br />d
<br />i
<br />su
<br />ng goo
<br />that extends to 60 inches or more. hav
<br />Permeability is rapid. Effective rooting depth is 60 redeedar, ponderosa pine, Siberian elm, Russian-olive and
<br />best suited are skunkbush sumac, lilac
<br />b
<br />Sh
<br />inches or more. Available water capacity is low or
<br />moderate. Surface runoff is slow, the water erosion
<br />t
<br />d s
<br />ru
<br />hackberry.
<br />and Siberian peashrub.
<br />Openland wildlife such as pheasant, cottontail rabbit
<br />era
<br />e.
<br />hazard is slight, and soil blowing is mo
<br />This soil is used for irrigated cropland and grazing. and "mourning dove are suited to this soil. In cropland
<br />bitat can be developed by establishing
<br />h
<br />bl
<br />Some small areas are used for nonirrigated cropland. In
<br />irrigated cropland areas corn, alfalfa and sugar beets are a
<br />e
<br />areas favora
<br />nesting and escape cover. For pheasants, undisturbed
<br />d should be included in plans for
<br />l
<br />it
<br />i
<br />the principal crops grown. Winter wheat is grown in an
<br />a
<br />s v
<br />nesting cover
<br />habitat development. Tree and shrub plantings along
<br />nonirrigated cropland areas.
<br />In irrigated cropland areas the main concerns of
<br />i
<br />f fence lines, irrigation ditches, roadsides and streambanks
<br />encourage wildlife. Rangeland wildlife, including
<br />lso hel
<br />organ
<br />c
<br />management are soil blowing, maintenance o
<br />matter, and fertility. This soil is best suited to the sprin-
<br />bili p
<br />a
<br />antelope and jackrabbits, can be encouraged by livestock
<br />water developments and types of
<br />management
<br />azin
<br />-
<br />kler method of irrigation because of the rapid permea
<br />ty. Most of the pivotal sprinkler systems are located on ,
<br />g
<br />gr
<br />fencing to permit unrestricted antelope movement.
<br />homesites and other urban
<br />d f
<br />i
<br />this soil. Special care consisting of growing cover crops
<br />s and incorporating crop
<br />cro
<br />f or
<br />s use
<br />Where the soil
<br />developments, the primary limiting soil features are
<br />p
<br />row
<br />after harvest o
<br />residues during periods when no growing crop is present
<br />e seepage and soil blowing. Where sewage lagoon systems
<br />special sealing methods are required to
<br />are considered
<br />to protect the soil is needed. Close grown crops are mor
<br />effective in protecting soil from blowing. Intensive crop ,
<br />overcome excessive. seepage. This soil should be protected
<br />etative
<br />and ve
<br />l
<br />h
<br />f
<br />residue management is needed when growing row crops.
<br />Applications of manure and use of crop residues help g
<br />es
<br />mu
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<br />at all times by utilization o
<br />cover. Capability subclass IVe nonirrigated, IIIe ir-
<br />maintain and improve soil tilth and organic matter con--
<br />mercial fertilizers containing
<br />f
<br />i rigated.
<br />24-Dix-Altvan complex, 9 to 25 percent slopes. These
<br />com
<br />ons o
<br />tent. Applicat
<br />nitrogen and phosphorus are required for high yields of strongly sloping to moderately steep soils are on gravelly
<br />lands in the northern part of the county. The average
<br />all pes
<br />In nonirrigated cropland areas the main concerns of
<br />ti up
<br />annual precipitation ranges from 17 to 19 inches.
<br />15 to 25 percent slopes, makes
<br />sandy loam
<br />ravell
<br />Dix
<br />ng
<br />management are conserving soil moisture and protec
<br />soil from blowing. Stubble mulch tillage and incorporating
<br />i
<br />bl
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<br />y
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<br />up about 50 percent of the mapping unit, and Altvan
<br />9 to 25 percent slopes, about 30 percent. The
<br />loam
<br />s
<br />nd
<br />ow
<br />ng,
<br />rom
<br />crop residues are needed to protect the soi
<br />improve soil tilth, and conserve moisture. Tillage should ,
<br />y
<br />a
<br />Dix soils are on the steeper crests and ridges. The Altvan
<br />be kept to a minimum. Planting crops in alternate strips
<br />ht angles to the prevailing wind is effective in pro-
<br />at ri soil is at midslope.
<br />About 20 percent of this unit is Chappell sandy loam, 3
<br />t
<br />25
<br />g
<br />tecting the soil from blowing.
<br />of
<br />inl
<br />i
<br />t
<br />il percen
<br />to 5 percent slopes, Eckley sandy loam, 15 to
<br />and Wages loam, 5 to 9 percent slopes. The Chap
<br />es
<br />slo
<br />y
<br />s ma
<br />cons
<br />s
<br />Rangeland vegetation of this so
<br />sand reedgrass, little
<br />switchgrass
<br />nd bluestem ,
<br />p
<br />pell soils are on narrow elongated drainageways and fans,
<br />,
<br />,
<br />sa
<br />needleandthread, sideoats grams, sand drop-
<br />bluestem Eckley soils are on ridge crests, and the Wages soils are
<br />,
<br />seed, sedge, and blue grama. These grasses furnish most
<br />Sand sagebrush is scattered in the vegeta-
<br />e
<br />f the fora on foot slope positions.
<br />The Dix soil is a deep, somewhat excessively drained
<br />h
<br />f
<br />.
<br />g
<br />o
<br />tion. Grazing management must be aimed at the main- t
<br />e
<br />soil. It formed in very gravelly alluvial deposits o
<br />tenance or improvement of range condition through
<br />Without management of grazing, the
<br />use
<br />i Ogallala Formation.
<br />Typically the surface layer is a dark grayish brown
<br />.
<br />ng
<br />proper graz
<br />plant cover loses the tall productive grasses. Deferred
<br />f gravelly sandy loam about 4 inches thick. The subsoil is a
<br />ish brown gravelly coarse sandy loam about 14
<br />ra
<br />rk
<br />d
<br />or
<br />grazing is highly effective in management systems
<br />Brush management is needed in areas
<br />k use
<br />t
<br />li g
<br />y
<br />a
<br />inches thick. The substratum is a reddish yellow coarse
<br />.
<br />oc
<br />ves
<br />where sand sagebrush forms a dense stand because of sand and gravel to a depth of 60 inches or more.
<br />th is 60
<br />de
<br />ti
<br />ti
<br />Eff
<br />continued heavy grazing use. Seeding is essential if
<br />severely depleted areas develop. Fencing and livestock p
<br />ng
<br />ve roo
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<br />Permeability is rapid.
<br />inches or more. Available water capacity is low. Surface
<br />watering places aid in obtaining more uniform distribu-
<br />Care must be taken not to locate livestock
<br />razin
<br />n of
<br />ti runoff is rapid, and the erosion hazard is high.
<br />The Altvan soil is a deep, well drained soil. It formed in
<br />b
<br />l
<br />i
<br />g.
<br />g
<br />o
<br />water developments in places where serious wind erosion y
<br />n
<br />a
<br />calcareous, loamy alluvial and eolian deposits under
<br />can result sand and gravel
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