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Soil Classification Map
Soil Survey of Weld County, Colorado excerpt (Southern Portion)
Published by the United States Department of Agriculture
Soil Conservation Service
In Cooperation with Colorado Agricultural Experiment Station
Issued September 1980
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Applicable Soils: Type #59 and Type#85
2412 Denby Court • Fort Collins, Colorado 80526 • (970) 207-0272 • fax: (561)828-8059
email: toddhodgesdesign(a!earthlinknet
2003-0368
Hodges Design,Todd LLC
Soil Survey of Weld County, Colorado excerpt (Southern Portion)
Published by the United States Department of Agriculture
Soil Conservation Service
In Cooperation with Colorado Agricultural Experiment Station
issued September 1980
Soil Classification#59: Shingle Loam, 3 to 9 percent slopes
59-.-ShIngle loam,3 to 9 percent slopes.This is a shal-
low, well drained soil on upland hills and ridges at eleva-
t' s of y,>i50 to 5,200 feet. It formed in residuum from
elude. Included in mapping are some small outcrops of
shale and sandstone.
Typically the surface layer is grayish brown loam about
4 inches thick. The underlying material is light yellowish
brown clay loam about 10 inches thick. Shale is at a depth
of about 16 inches.
Permeability is moderate. Available water capacity is
low. The effective rooting depth is 10 to 20 inches. Sur-
face runoff is medium to rapid, and the erosion hazard is
moderate.
The potential native vegetation on this soil is
dominated by alkali sacaton. western wheatgrass, and
blue grams. fluf£alograss, sideoats grams, needle-
andthread, little bluestem,sedge, winterfat. and fourwing
salthush are also present. Potential production ranges
from 800 pounds per acre in favorable years to 500
pounds in unfavorable years. As range condition deteri-
r'" orates, the mid grasses decrease and forage production
drops.. Undesirable weeds and annuals 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.
Western wheatgrass, blue grams, alkali sacaton, sideoats
grants, little ',Western,pubescent wheatgrass,and crested
wheatgrass are suitable fur seeding. The grass selected
should meet the seasonal requirements of livestock. It can
he seeded into a clean,firm sorghum stubble or it can be
drilled into a firm prepared seedbed. Seeding early in
spring has proven most successful.
Windbreaks and environmental plantings are generally
not suited to this soil Onsite investigation is needed to
determine if plantings are feasible.
Rangeland wildlife, such as antelope, cottontail, and
coyote,are best suited to this soil.Because forage produc-
tion is typically low, grazing management is needed if
livestock and wildlife share the range. Livestock watering
facilities also are utilized by various wildlife species.
This soil has poor potential for urban and recreational
development. The chief limiting feature is the shallow
depth to shale. Capability subclass Vie irrigated, VIe
nonirrigated: Shely Plains range site.
2412 Denby Court • Fort Collins, Colorado 80526 • (970) 207-0272 • fax: (561)828-8059
email: toddhodgesdesign*arthlink.net
' Todd Hodges Design, LLC
Soil Survey of Weld County, Colorado excerpt (Southern Portion)
Published by the United States Department of Agriculture
Soil Conservation Service
In Cooperation with Colorado Agricultural Experiment Station
Issued September 1980
Soil Classification#65: Thedalund loam, 3 to 9 percent slopes
e:,..Thedalund loam. 3 to 9 percent elopes. This is a livestock and wildlife share the range. Livestock watering
moderately deep. well drained soil on plains at shuns facilities also are utilized by various wildlife species. The
of 4'iii- to ;,�Su teat. It formed in residuum from shale. cropland areas provide favorable habitat for pheasant and
shale an in mapping are s than areas of soils s that have mourning dove. Many nongame species can be attracted
outcrops
and shale sandstone at 4a incncl mod. small by establishing areas for nesting and escape cover.
out ypic of~hale and re lavt'r are also includes'. The underlying shale is the most limiting feature of
Typically the t " inches
layer of this d Thedalund ateil al this soil. Neither septic tank absorption fields nor sewage
ispali loam about ieryep thick.The loam . Shale material lagoons function properly. In places the underlying shale
dpale ,ism 2%J very pale brown loam. is at a has high shrink-sµell potential. Environmental and beau-
Permeability of als: '�S inchc tification plantings of trees and shrubs east be difficult to
crate. Tiand available water 211 oa40 i are establish. Capability subclass We irrigated, Vie aonir
moderate.. The effective rooting depth is to Olt inches. righted-Loamy Plains range site.
Surface runoff is ntedinm to rapid.and the erosion hazard i
is moderate.
This soil is suited to limited cropping. Intensive
cropping is hazardous because of erosion. The cropping
system should be limited to such close grown crops as al-
falfa, wheat. and barley. The soil is also suited to ir-
rigated pasture. A suitable cropping system is 3 to 4
years of alfalfa followed by 2 years of corn and small
grain and alfalfa seeded with a nurse crop.
.0" Cloeu'ly spaced contour ditches or sprinklers can be
used in irrigating close grown crops. Contour furrows or
sprinklers should he used for new crops. Application of
commercial fertiliwr helps in maintaining good produc-
t ion.
The potential native vegetation is dominated by blue
grams. Several mid grasses. such as western wheatgrass
and needleandt.hr•ad, are also present. Potential produc-
tion ranges from 1,13K)pounds.per acre in favorable years
to WA pounds in unfavorable years. As range condition
deteriorates. the mid grasses decrease; blue grams, buf-
falograss. snakeweed, yucca, end fringed sage increase:
and forage production drops. Undesirable weeds and an-
nuals 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 ie in poor condition.
Sicicoals grama,little hluestem,western wheatgraas,blue
grama,pubescent wheatgrass,and crested wheatgreuts are
suitable for seeding. The grass selected should meet the
seasonal requirements of livestock. It can be seeded into
a clean, firm sorghum stubble,or it can he drilled into a
firm prepared seedbed. Seeding early in spring has
proven most auccesnftl.
Windbreaks and environmental plantings are generally
nut suited to this soil. Onsitc investigation is needed to
determine if plantings are feasible.
Rangeland wildlife, such as antelope, cottontail, and
coyote,are best suited to this soil. Because forage produc-
tion is typically low, grazing management is needed if
2412 Denby Court • Fort Collins, Colorado 80526 • (970) 207-0272 • fax: (561)828-8059
email: toddhodgesdesign(d;earthlink.net
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