HomeMy WebLinkAbout951275.tiff SOIL SURVEY OF WELD COUNTY, COLORADO, SOUTHERN PART
United States Department of Agriculture, Soil Conservation Service,
in cooperation with the Colorado Agricultural Experiment Station
11—Bresser sandy loam, 0 to 1 percent slopes. This is 29—Julesburg sandy loam, 0 to 1 percent slopes. This
a deep, well drained soil on terraces at elevations of 4,700 is a deep, well drained soil on terraces at elevations of
to 4,800 feet. It formed in alluvium deposited by the 4,700 to 4,800 feet. It formed in alluvium deposited by the
South Platte River. Included in mapping are small areas South Platte River. Included in mapping are some leveled
of soils that have sand and gravelly sand in the lower areas and small areas of soils that have a loamy sub-
part of the substratum. stratum.
Typically the surface layer is grayish brown sandy loam Typically the surface layer of this Julesburg soil is
about 11 inches thick. The subsoil is brown and yellowish brown sandy loam about 12 inches thick. The subsoil is
brown sandy clay loam about 19 inches thick. The sub- brown and pale brown sandy loam about 18 inches thick.
stratum to a depth of 60 inches is loamy sand. The substratum to a depth of 60 inches is loamy sand and
Permeability and available water capacity are sand.
moderate. The effective rooting depth is 60 inches or Permeability is rapid. Available water capacity is
more. Surface runoff is slow, and the erosion hazard is moderate. The effective rooting depth is 60 inches or
low. more. Surface runoff is slow, and the erosion hazard is
This soil is used almost entirely for irrigated crops. It low.
is suited to all crops commonly grown in the area includ- This soil is used almost entirely for irrigated crops. It
ing corn, sugar beets, beans, alfalfa, small grain, potatoes, is suited to all crops commmonly grown in the area, in-
and onions. An example of a suitable cropping system is 3 eluding corn, sugar beets, beans, alfalfa, small grain,
to 4 years of alfalfa followed by corn, corn for silage, potatoes, and onions. An example of a suitable cropping
ugar beets, small grain, or beans. Few conservation prac- system is 3 to 4 years of alfalfa followed by corn, corn for
vices are needed to maintain top yields. silage, sugar beets, small grain, or beans. Generally, such
All methods of irrigation are suitable, but furrow ir- characteristics as the rapidly permeable substratum
rigation is the most common. Barnyard manure and com- slightly restrict some crops.
mercial fertilizer are needed for top yields. All methods of irrigation are suitable, but furrow ir-
Windbreaks and environmental plantings are generally rigation is the most common. Proper irrigation water
suited to this soil. Soil blowing, the principal hazard in management is essential. Barnyard manure and commer-
establishing trees and shrubs, can be controlled by cul- cial fertilizer are needed for top yields.
tivating only in the tree row and by leaving a strip of Windbreaks and environmental plantings are generally
vegetation between the rows. Supplemental irrigation suited to this soil. Soil blowing, the principal hazard in
may be needed at the time of planting and during dry establishing trees and shrubs, can be controlled by cul-
periods. Trees that are best suited and have good survival tivating only in the tree row and by leaving a strip of
are Rocky Mountain juniper, eastern redcedar, ponderosa vegetation between the rows. Supplemental irrigation
pine, Siberian elm, Russianolive, and hackberry. The may by needed at the time of planting and during dry
shrubs best suited are skunkbush sumac, lilac, and Siberi- periods. Trees that are best suited and have good survival
an peashrub. are Rocky Mountain juniper, eastern redcedar, ponderosa
Wildlife is an important secondary use of this soil. pine, Siberian elm, Russian-olive, and hackberry. The
Ring-necked pheasant, mourning dove, and many non- shrubs best suited are skunkbush sumac, lilac, and Siberi-
game species can be attracted by establishing areas for an peashrub.
nesting and escape cover. For pheasants, undisturbed Wildlife is an important secondary use of this soil. The
nesting cover is essential and should be included in plans cropland areas provide favorable habitat for ring-necked
for habitat development, especially in areas of intensive pheasant and mourning dove. Many nongame species can
agriculture. be attracted by establishing areas for nesting and escape
This soil has good potential for urban and recreational cover. For pheasants, undisturbed nesting cover is essen-
developrnent. Lawns, shrubs, and trees grow well. The tial and should be included in plans for habitat develop-
only limiting features are the rapid permeability in the ment, especially in areas of intensive agriculture.
substratum and the resulting hazard of ground water con- This soil has good potential for urban and recreational
lamination from sewage lagoons. Capability class I ir- development. Lawns, shrubs, and trees grow well. The
`.gated. only limiting feature of this soil is the rapid permeability
in the substratum, which causes a hazard of ground water
contamination from sewage lagoons. Capability subclass
Its irrigated.
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