HomeMy WebLinkAbout20012399.tiff ScS-CONS ]78 Re.. 7-69
(file Coa.CONS-I41 CONSERVATION PLAN Mr..•
Wes'•- UNITED STATES DEPARTMENT OF AGRICULTURE SOIL CONSERVATION SERVICE
cooperating with
Longmont Soil
E OUR SOIL * OUR STRENGTH= cons«.olio. Di.hicI
Owner Western Paving Construction Co. 4-22-81
Plan No. Date
operator Frank M. Graham, Jr. scale 4" 1 Mile
Acres
Weld Colorado A9poaiman
County Photo No.
Slat.
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2001-2399
EXHIBIT
ing corn, sugar buts. beans alfalfa, am-ill grain.�, potatoes, iigt•. rush, and alkali blue gr ss an. salvo pruminem
and onions. An example of a suit-'4e cropping system is 3 Potential production ranges from 3,000 pounds per acre in
to 4 years of alfalfa followed corn, corn for silage, favorable year•. 2.400 pounds in unfavorable years. As
sugar beets, small grain, or beans. Land leveling, ditch range condition deteriorates. the switchgrass, alkali
may be needed for proper sacaton, and western wheatgrass decrease and saltgrass.
lining, and installing pipelines
water application. sedge, and rush increase.
— All methods of irrigation are suitable, but furrow ir- Management of vegetation should he based on taking
half and leaving half of the total annual production. Seed-
rigation is the most common. Barnyard manure and con-
ing is difficult and costly because numerous tillage prac-
merci:l fertilizer are needed for top yields.
tires are required to eliminate the saltgrass sofa
Windbreaks and environmental plant ins of trees and
sh nrhs commonly grown in the area are generally well Switchgrass. western wheal grass, alkali s;u don, tall
suited to this soil. Cultivation to control competing ev healgr ss, and tall fescue are suitable for seeding. They
vegetation should he continued for as many years as • can be seeded into a clean, firm seedbed. Sredtred
possible following planting. Trees that are best suited and preparation usually requires more than I year to
have good survival are Rocky Mountain juniper, eastern eliminate the saltgrass sod. A grass drill should he used.
redcedar, ponderosa pine, Siberian elm, Russian-olive, and Seeding early in spring has proven most successful.
Wetland w ildfife, especially waterfowl, utilize this unit.
hackberry. The shrubs best suited are skunkbush sumac,
The wetland plants provide nesting and protective cover,
lilac, Siberian peashruh, and American plum.
This soil can produce habitat elements that are highly as well as some food. The nearby irrigated cropland,
suitable for openland wildlife including pheasant, cotton- where wildlife obtain much of their food and find prutec-
tail, and mourning dove. Such crops as wheat, corn, and protec-
tive cover, makes this unit valuable to both wetland and
alfalfa provide suitable habitat for openland wildlife, openland wildlife.
especially pheasant. Tree and shrub plantings and Oprnl:nd wildlife, especially pheasant, use this unit for
undisturbed nesting cover would enhance openland wil- cover and nesting. Deer find excellent cover in some
dlife populations. areas.
This Altvan soil has fair to good potential for urban These valuable wilt Ill fe areas should be protected from
and recreational development. The chief limiting soil fe•- fire and fenced to prevent encroach mint and overuse I
tures for urban development are the shrink-swell poten- livcstork. 'I'hey should not be drained.
tial of the subsoil as it wets and dries and the rapid These soils have good potential as a source of sand and
permeability of the sand and gravel substratum. Septic gravel. Capability subclass Clw: Salt Meadow range site.
tank absorption fields function properly, hut in places the 4—Aonnlls a+ d uept., flooded. This nearly level
substratunf does not contain enough fines to properly map unit is in depressions in smooth plains and along the
filter the leachate. Sewage lagoons require sealing. bottoms of natural drainageways throughout the survey
Lawns, shrubs, and trees grow well. Capability subclass area. Aquolls, which have a dark colored surface layer,
Ile irrigated. make up about 55 percent of the unit. Aquepts, which
3—Aquolls and Aquents, gravelly substratum. This have a lighter colored surface layer, make up about '_'5
nearly level map unit is on bottom lands and flood plains percent. About Su percent is soils that are well drained
of all the major streams in the survey :tree Aquolls, anti soils that have sandstone or shale within 45 inches of
which have a dark colored surface lacer, make up about the surface.
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These are deep, poorly u.ained soils that formed in If summc. fallowed in alternate years, this soil is v
recent alluvium. No one pedon is typical. Commonly the suited to winter wheat, barley, and sorghum. Win
soils have a mottled, mildly to moderately alkaline loamy wheat is the principal crop. The predicted average yiel,
- or clayey surface layer and underlying material that ex- 33 bushels per acre. If the crop is winterkilled, spr
tends to a depth of 60 inches or more. In places they have wheat can be seeded. Generally precipitation is too
a gleyed layer in the underlying material. for beneficial use of fertilizer.
Most of the acreage is subject to excessive runoff. The Stubble mulch fanning, striperopping, and minimum
water table is at or near the surface in spring and during lage are needed to control soil blowing and water eros
the peak of the irrigation season. Terracing also may be needed to control water erosion.
These soils are used for rangeland and wildlife habitat. The potential native vegetation on this range sit'
• Some small areas are irrigated pasture. dominated by sand bluestem, sand reedgrass, and t
The potential native vegetation is dominated by grama. Needleandthread, switchgrass, sideoats Ir gra
. switchgrass, prairie cordgrass, saltgrass, alkali sacaton, and western wheatgrass are also prominent. oten
' big bluestem, indiangrass, western wheatgrass, slender production ranges from 2,2110 pounds per acre in fay'
wheatgrass, sedge, and rush. Cattails and bullrush grow ble years to 1,:2(111 pounds in unGnor:die years. As ra
in condition deteriorates, the sand bluestem, sand reedgr
the swampy spots associated with these range sites.
Potential production ranges front 1,01111 pounds per acre in and switchgrass decrease and blue grama, sand drops,
and snood sage increase. Annual weeds and grasses ins years to 3,000 pounds in unfavorable years. As
the site as range condition becomes poorer.
range condition deteriorates, the tall and mid grasses
Management of vegetation should be based on tat
decrease, production drops, and saltgrass, sedge, and rush
• increase. The farming and irrigation in adjacent areas has half and leaving half of the total annual production. &
ing is desirable if the range is in poor condition.
increased the amount of salts on much of the acreage.
bluestem, sand reedgrass, switchgrass, sideoats q
Management of vegetation on this soil should be based
gra
blue grama, pubescent wheatgrass. and crested wh
on taking half and leaving half of the total annual produc-
tion. switchgrass, big bluestem, indiangrass, western grass are suitable for seeding. The grass selected sh,
meet the seasonal requirements of livestock. It can
wheatgrass, pubescent wheatgrass, intermediate wheat- seeded into a clean, firm sorghum stubble, or it car
grass, tall wheatgrass, and tall fescue are suitable for ,frilled into a firm prepared seedbed. Seeding each
S seeding. 'fhe plants selected should nut the season:d
spring has proven most successful.
requirements of livestock. For successful seeding, a firm µ'indbreaks and environmental plantings are genet
prepared seedbed is needed. A grass drill should Ire used. suited to this soil. Soil blowing, the principal bazar,
_. Seeding early in spring has proven most successful. Tit-establishing trees and shrubs, can he controlled by
lage is needed to eliminate the undesirable vegetation. 'ticatinq only in the tree row and by leaving a Steil
Wetland wildlife, especially waterfowl, utilize this unit. vegetation between the rows. Supplemental irriga
The wetland plants provide nesting and protective cover may be needed at the time of planting and during
as well as some food. The nearby irrigated cropland, periods. Trees that are best suited and have good sun
where wildlife obtain much of their food and find protec- are Rocky Mountain juniper, eastern redcedar, pond"
tive cover, makes this unit valuable to both wetland and pine, Siberian elm, Russian-olive. and hackberry.
openland wildlife, shrubs best suited are skunkbush sumac, lilac, and Sil
Openland wildlife, especially pheasant, use this unit for an peashrub.
cover and nesting. Deer find excellent cover in some• Wildlife is an important secondary use of this soil.
areas. These valuable wildlife areas should be protected cropland areas provide favorable habitat for ring-net
from fire and fenced to prevent encroachment and pheasant and mourning dove. Many nongame species
overuse by livestock. They should not he drained. Capa- be attracted by establishing areas for nesting and es,
bility subclass VIw; Aquolls in Salt Meadow range site. cover. Par pheasants, undisturbed nesting cover is 4'>
Aquepts in Wet Meadow range site. find and should be inelu led in plans for habitat 'Ire,
5- Ascalon sandy loam, I to 3 percent slopes. This is ment. Rangeland wildlife, for example. the pronghorn
a deep, well drained soil tin uplands at elevations of 1Jaxl telope, can be attracted by developing livestock watt
to 5,21111 feet. It formed in alluvium. Included in niapping facilities. managing livestock graving, and re:,o,
are small areas of rock outcrop. where needed.
Typically the surface layer is brown sandy loam about Pew arras of this Ascalon soil are in major growth
to inches thick. The subsoil is pale brown and yellowish urbanized centers. The shrink-swell potential of Ilse
hrown sandy clay loam about 15 inches thick. The sub soil as it wets and dries is the most limiting soil fe:i
stratum to a depth of 60 inches is calcareous fine sandy that oust be considered in planning homesiles :and
loam. strutting roads. Capability subclass Idle non:raga
Permeability is moderate. Available water capacity is Sandy Plains range site.
high. The effective rooting depth is 61) inches or more. 6 - Ascalon sandy loam• 3 to 5 percent slopes. 'II
Surface runoff is slow, and the erosion hazard is low. a deep, well drained soil in uplands at elevation. of
1.'. Seer. SURVEY
This soil has good potent ,'or urban and recreational Wildlife .n important secondary use of this soil. T
development. Increased population growth in the survey cropland areas provide favorable habitat for ring-neck
area has resulted in increased homesite construction. The pheasant and mourning dove. Many nongamle species r
chief limiting soil features for urban development are the he attracted by establishing areas for nesting and esca
shrink-swell potential of the subsoil as it wets and dries cover. For pheasants. undisturbed nesting cover is essc
and the limited ability of this soil to support a load. Septic tial and should he included in plans for habitat (level(
tank absorption fields function properly, but community rent, especially in areas of intensive agriculture. Rant
sewage systems should he provided if the population den- land wildlife, for example. deer and antelope, can be
si ty increases. Because of the male rattily rapid perm ea- traded by managing livestock grazing and re seedi
tidily of the substratum, sewage lagoons must be sealed. where needed.
Lawns, shrubs, and trees grow well. (:inability subclass This soil is not suited to urban or recreational (level,
Ile irrigated. 'mint because of the flood hazard. Capability subcl:
I0—Bankard 'sandy loam, 11 to 3 percent slopes. This IVw• irrigated. Vlw nonirrigated: Sandy Bottom la
is a deep, somewhat excessively drained soil on flood range site.
plains at elevations of 4,150 to 5,000 feet. It formed in l l--Bresscr sandy loam, 11 to I percent slopes. Thi,
stratified recent alluvium along streams and rivers. In- a deep, well drained soil on terraces at elevations of 4,-.
eluded in mapping are numerous sand and gravel bars to 4,$INi feet. It formed in alluvium deposited by
and small areas of noncalcareous soils. South Platte River. Included in mapping rim
Typically the surface layer of this Bankard soil isF F g are small ar
brown sandy loam about 4 inches thick. The underlying of soils the eat have sand and gravelly sand in the luv
material to a depth of 61) inches is part of substratum.hesurface
p pale brown calcareous Typically the layer is grayish brown sandy lo
sand stratified with thin lenses of sandy loam, loam, and about 11 inches thick. The subsoil is brown and yellow
fine gravel. ,
Permeability is moderately rapid. Available water brown sandy clay loam about 19 inches thick. The s
capacity is low. The effective rooting depth is 60 inches or stratum to a depth of 60 inches is loamy sand.
more. Surface runoff is slow, and the erosion h:varl is Permeability and available water capacity
low. moderate. The effective rooting depth is fit inches
This soil is suited to limited cropping. It is sandy and noire. Surface runoff is slow, and the erosion hazard
NF K low.
subject to flooding. Pasture is the best use. Tall wheat-
gr;iss, tall fescue. and annual sweetclover are some of the wheat-
This soil is used almost entirely for irrigated crops.
most suitable crops. Light. frequent irrigation by furrows is suited to all crops commonly grown in the area Mel
and flooding is best. Commercial fertilizer improves the ing corn, sugar beets, beans, alfalfa, small grain, petal(
and onions. An example of a suitable cropping system i
amount and value of forage produced.
to 4 years of alfalfa followed by corn, corn for sila The potential native vegetation is dominated by
switchgrass, indiangrass, sand bluestem, sand reedgrass, sugar beets, small grain, or beans. Few conservation pr
sideoats grama, needleamdthread, and blue grama. Much [ices are needed to maintain top yields.
of this range site includes other soils and vegetation in All methods of irrigation are suitable, but furrow
such a complex pattern that it is difficult to map them rigation is the most common. Barnyard manure and tie
separately. Potential production ranges from 2,500 pounds mercial fertilizer are needed for top yields.
per acre in favorable years to 1,500 pounds in unfavorable Windbreaks and environmental plantings are goner:
years. As mange condition deteriorates, the Lail and mid suited to this soil. Soil blowing, the principal hazard
grasses decrease; blue grama, sand dropseed, and. fnrhs establishing trees and shrubs, can he controlled by ,
increase; and forage production drops. Undesirable weeds tivating only in the tree row and by leaving a strip
and annuals invade the site as range condition becomes
vegetation between the rows. Supplemental irrigat
poorer. may be needed at the time of planting and during
Management of vegetation should be based on taking periods. Trees that are best suited and have good survi
half and leaving half of the total annual production. Seed- are Rocky Mountain juniper, eastern redcedar. ponder
ing is desirable only in areas large enough to interseed or pine. Siberian elm. Russian-olive, and hackberry.
to prepare a seedbed. Swit ehgrass, sand bluestem, sand sli nibs best suited are skunk hush sumac, lilac, and Sib:
reedgrass, sideoats grama, little bluestem, blue grama, pu- an peashrub.
besce•nt wheatgrass, and intermediate wheatgrass are Wildlife is an important secondary use of this
suitable for seeding. This soil can be seeded by using an Ring-necked pheasant, mourning dove, and many r.
intorseeder or a firm, clean sorghum stubble. A grass drill game species can be attracted by establishing area:-
is required. Seeding early in spring has proven most. sue- nesting anti escape cover. For pheasants. undinturl
cesaful. nesting cover is essential and should he included in pi
This soil is generally- not suited to the establishment for habitat development. especially in areas of intro:
and growth of trees and shrubs. Onsite investigation is agriculture.
needed to determine feasibility and possible tree and This soil has good potential for urban and recrealu
shrub species- development. Lawns, shrubs, and trees grow ,c, ll.
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