HomeMy WebLinkAbout961671.tiff The following soil information is taken directly from "Soil
Survey of WELD COUNTY, COLORADO Southern Part. " Issued September,
1980 . (United States Department of Agriculture Soil Conservation
Service in cooperation with Colorado Agricultural Experiment Station) .
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9
961671
44—Olney loamy sand, 1 to 3 percent slopes. This is a Wildlife is an important secondary use of this soil. The
deep, well drained soil on smooth plains at elevations of cropland areas provide favorable habitat for ring-necked
4,600 to 5,200 feet. It formed in mixed outwash deposits. pheasant and mourning dove. Many nongame species can
Included in mapping are some small leveled areas. be attracted by establishing areas for nesting and escape
Typically the surface layer is grayish brown loamy sand cover. For pheasants, undisturbed nesting cover is essen-
about 9 inches thick. The subsoil is yellowish brown and tial and should be included in plans for habitat develop-
very pale brown sandy clay loam about 15 inches- thick. ment, especially in areas of intensive agriculture. Range-
The substratum to 'a depth of 60 inches is very pale land wildlife, for example, the pronghorn antelope, can be
brown, calcareous fine sandy loam. attracted by developing livestock watering facititie.t,
Permeability and available water capacity are managing livestock grazing and reseeding where needed.
moderate. The effective rooting depth is 60 inches or This soil has good potential for urban development. The
more. Surface runoff is slow, and the erosion hazard is only limiting feature is the moderately rapid permeabilit
low. y
- - in the substratum, which causes a hazard of ground water
In irrigated areas this 'soil is suited to the crops corn- contamination from sewage lagoons. The loamy sand stir-
manly grown in the area. Perennial grasses and alfalfa or face layer is a limitation for recreational development.
close grown crops should be grown at least 50 percent of Once established, the lawns, shrubs, and trees grow well.
the time. Contour ditches and corrugations can be used in Capability subclass IIIe irrigated, IVe nonirrigated;
irrigating crops and pasture. Furrows, contour furrows, Sandy Plains range site.
and cross slope furrows are suitable for row crops. Sprin-
kler irrigation is also desirable. Keeping tillage to a
minimum and utilizing crop residue help to control ero-
sion. Maintaining fertility is important. Crops respond to
applications of phosphorus and nitrogen.
In nonirrigated areas this soil is suited to winter wheat,
barley, and sorghum. Most of the the acreage is planted
to winter wheat. The predicted average yield is 20
bushels per acre. The soil is usually summer fallowed in
alternate years to allow moisture accumulation. Generally
precipitation is too low for beneficial use of fertilizer.
Stubble mulch fanning, striperopping, and minimum til-
- !age are needed to control soil blowing and water erosion.
Terracing also may be needed to control water erosion.
The potential native vegetation on this range sire is
dominated by d bluestem. sand reedgrass, and blue 69—Valent sand. 0 to 3 percent slopes this ie a de-p.
.gram.. Ae ellea d't'^,read, sw-itchg-ass, sideoats grar^a, excessively drained soil on plains at elevations of -Lip's: to
anti western v.iteatgrass are also prominent. Potential 5,1(K) feet, it formed in eolian deposits. i nnciud--d
production ranges from '.. 'u pounds per acre in favora- mapping are small areas or soils that have lime •.vi.hin u
tile years to 1.soi1 pounds in unfavorable years. .As range depth of 40 inches.
oar t;on die :atoms, the sand) bluestem. sand reedgrass, Typically the surface layer
i P Y ay r s brown sand app-t .
d �� _ r :,•cry c ..__ :slue grama. .sand iropsi ed: inches thick. The uncle lying niateriai to a .girth of _
;tad sand sage increase. Annual .seeds and grasses inva•!c inches is brown sand.
the site as range condition becomes poorer. Permeability is rapid. Avaiiarie ,water capacity
Management of vegetation on this soil should be based moderate. The effective rooting depth is Fie inc^.as .,
or: taking nail and leaving half of the total annual product- more. Surface runoff is slow, and the erosion hazard is
tion. Seeding is desirable if the range is in poor condition. low.
Sand bluestem. sand reedgrass, switchgra.sc. sideoats This soil is suited to limited cropping. Intensive
grama, blue grams, pubescent wheatgrass, and cn-sted cropping is hazardous because of erosion. The cropping
w heater_ass are suitable for seeding. The grass selected system should be limited to such close grown crops as al-
should meet the seasonal requirements of lirestoc•k. It can falfa, wheat, and barley. The soil also is suited to U—
be seeded into a clean, firm sorghum stubble, or it can be rigated pasture- A suitable cropping system is 3 to 4
drilled into a firm prepared seedbed. Seeding early in years of alfalfa followed by 2 years of corn and small
spring has prover. most successful. grain and alfalfa seeded with a nurse crop.
Windbreaks and environmental plantings are generally Closely spaced contour ditches or sprinkers can be used
suited to this soil. Soil blowing, the principal hazard in in irrigating close grown crops. Contour furrows or sorin-
establishing trees and shrubs, can be controlled by cul- klers should be used for new crops. Applications of bar-
tivating only in the tree row and by leaving a strip of nyard manure and commercial fertilizer help to maintain
vegetation between the rows. Supplemental irrigation good production.
may be needed at the time of planting and during dry The potential vegetation is dominated by sand
periods. Trees that are best suited and have good survival bluestem, sand reedgrass, switchgrass, sideoats grama.
are Rocky Mountain juniper, eastern redcedar, ponderosa needleandthread, little bluestem, and blue grama. Poten-
pine, Siberian elm, Russian-olive. and hackberry. The tial production ranges from 2.500 pounds per acre in
shrubs best suited are skunkbush sumac, lilac, and Siberi- favorable years to 1,800 pounds in unfavorable years. As
an peashrub.
10 961671
- range ccndition 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. Pozen-
_ 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. w. 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
don. 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 grams 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 inter-seeder, or the on taking half and leasing 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 grams, 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 nazards 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
`:e planted in shallow furrows, maintaining vegetation range.
aetween the rows. Supplemental irrigation is needed to Windbreaks and environmental plantings are generally
insure survival. Trees that ar: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. geland wildlife, for example, the pronghorn anteiepe. can
Wildlife is an important secondary use of this soil. The be attracted by developing livestock watering facilities.
cropland areas provide favorable habitat for ring-necked managing livestock grazing, and reseeding where needed.
- nheasant and mourning dove. Many nongame species can This soil has fair potential for urban development. The
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 biow^ng. Septic tank anwrpt:on
tial and should be included in plans for habitat develop- fields function properly, but in places the sandy .<1:b-
meat. e_pecially in areas of intensive agriculture. Range- stratum does not properly filter tho leachate. Sew :,-
felt'. wildlife, for example, the pronghorn antelope, can be lagoons must be sealed. Once established, lawns, snrzbs.
attracted by developing livestock watering facilities, and trees grow well. Capability subclass Cie i^gat-u.
managing livestock grazing, and reseeding where needed. VIe noni,-rigated; Deep Sand range site.
This soil has fair potential for urban development. The
primary limiting soil features are the rapid permeability
and the susceptibility to soil blowing. Septic tank absorp-
tion fields function properly, but in places the sandy sub-
stratum does not properly filter the leachate. Sewage
lagoons must he sealed. Once established, the lawns,
shrubs, and trees grow well. Capability subclass IVe ir-
rigated, VIe nonirngated; Deep Sand range site.
70—Valent sand, 3 to 9 percent slopes. This is a deep,
excessively drained soil on plains at elevations of 4,650 to
- 5100 feet. It formed in eoilan deposits. Included in
mapping are small areas of soils that have lime within a
depth of 40 inches. Also included are small areas of soils
that have sandstone between 40 and 60 inches.
Typically the surface layer of the Valent soil is brown
sand about 6 inches thick. The underlying material to a
depth of 60 inches is brown sand.
Permeability is rapid. Available water capacity is
moderate. The effective rooting depth is 60 inches or
more. Surface runoff is slow, and the erosion hazard is
11 •
961671
slopes. ima is s. I be attracted oy.estabiishing areas for nesting and escape
deep; somewhat excessively dram soil on plains and ' cover. For ph ants, undisturbed nesting cover is essen-
high ten-aces at elevations of 4, _d to 5,200 feet. It tial and shoult ue included in plans for habitat develop-
formed in eolian or alluvial deposits. Included in mapping ment, especially in areas of intensive agriculture. Range-
are some leveled areas. Also included are small areas of land wildlife, for example, the pronghorn antelope, can be
soils that have a loamy substratum and some areas of attracted by developing livestock watering facilities,
soils that are noncalcareous to a depth of 60 inches- managing livestock grazing, and reseeding where needed.
Typically the surface layer of this Vona soil is grayish. This soil has good potential for urban and recreational
brown. The upper 6 inches is loamy sand and the lower 6. development Once established, the lawns, shrubs, and
inches is fine sandy loam. The subsoil is brown and light. trees grow well. The chief limiting soil feature is the
yellowish brown fine sandy loam about 16 inches thick. rapid permeability in the substratum, which causes a
The substratum to a depth of 60 inches is sandy loam. hazard of ground water contamination from sewage
Permeability is moderately rapid. Available water lagoons. In places recreational development is limited by
capacity is moderate. The effective rooting depth is 60 the susceptibility to soil blowing. Capability subclass IIIe
inches or more. Surface runoff is slow, and the erosion irrigated, IVe nonirrigated; Sandy Plains range site.
hazard is low.
In irrigated areas this soil is suited to the crops com-
monly grown in the area. Perennial grasses and alfalfa or
close grown crops should be grown at least 50 percent of
the time. Contour ditches and corrugations can be used in
irrigating close grown crops and pasture. Furrows, con-
tour furrows, and cross slope furrows are suitable for row
crops. Sprinkler irrigation is also desirable. Keeping til-
lage to a minimum and utilizing crop residue help to con-
trol erosion. Maintaining fertility is important. Crops
respond to applications of phosphorus and nitrogen.
In nonirrigated areas this soil is suited to winter wheat,
barley, and sorghum. Most of the acreage is planted to
winter wheat. The predicted average yi"ld is 20 bushels
_ per acre. The soil is summer followed in alternate years
to allow moisture accumulation. Generally precipitation is
too low for beneucial use of fertilizer.
Stubble mulch farming, striperopping, and minimum til-
'aye are needed to control soil blowing and water erosion.
Terracing also may be needed to control water erosion.
The potential native vegetation on this range ,ite is
dominated by sand bluestem, sand reedgrass, and blue
g rain a. Needleandthread, .switchgrass, sideouts grama,
and western wheatgrass are also prominent. Potential
production ranges from 2,200 pounds per acre in favora-
ble years to 1,500 pounds in unfavorable years. As range
condition deteriorates, the sand bluestem, sand reedgrass,
and switchgrass decrease and blue grama, sand dropseed,
and sand sage increase. Annual weeds and grasses invade
the site as range condition becomes poorer.
Management of vegetation on this soil should be based
on taking half and leaving half of the total annual produc-
tion. Seeding is desirable if the range is in poor condition.
Sand bluestem, sand reedgrass, switchgrass, sideoats
grama, blue grama, pubescent wheatgrass, and crested
wheatgrass are suitable for seeding. The grass selected
should meet the seasonal requirements of livestock- It
should be drilled into a clean, fine sorghum stubble or a
prepared seedbed. Seeding early in spring has proven
most successful.
Windbreaks and environmental plantings.are fairly well
suited• to: this soiL. Blowing sand and low available water
capacity are the principal. hazards in establishing trees
and shrubs. The,coil: is so. loose that. trees should be.
planted in shallow furrows- and vegetation maintained
between the rows. Supplemental irrigation is needed to
"-sure survival Trees that are best suited and have good
arvival are Rocky Mountain juniper, eastern redcedar,
ponderosa pine, and Siberian elm. The shrubs best suited
are skunkbush sumac, lilac, and Siberian peashrub.
Wildlife is an important secondary use of this soil. The
cropland areas provide favorable habitat for ring•necsed
pheasant and mourning dove. Many nongame specs can 961671
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