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992468
06'24/99 MON 10:83 FAX ia0PY
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Windbreaks and environmentalplantings WELD COUNTY,
cited to this soil. Soil blowing, he are generally
establishing principal hazard inshrubspea best suited are skunkbush sumac, lilac, and S
trees and Aruba, can be controlled by cal- an rub.
tinting only in the tree row and by leaving a strip of Wildlife is an important secondary use of this soil
vegetation between the rows. Supplemental litigation cropland areas provide favorable habitat for rl e
may be necessary at the time of lanngr+eci
dry periods. Trees that are best suited and have the pheattractedasant and by emostablishing
dove. Many r nesting specie
de
survival are Rocky Mountain jurd god cover. For e ea ts, i ndis areas e for nesting and e
per. eastern redcedar, For pheasants, undisturbed cover is e
ponderosa pine, Siberian elm, Russian-olive, and hackber- till and should be included in plans for habitat de'.
ry. The shrubs best suited are akunkbush sumac, lilac,and mast, especially In areas of intensive agriculture. R
Siberian paashrub. land wildlife, for example, the pronghorn antelope, c,
Wildlife is an important secondary use of this soil. attracted by developing livestock watering fad
Ring-necked pheasant, mourning dove, and many non- managing livestock grazing,and reseeding where nee
game species can be attracted by establishing areas for This soil has good potential for urban and nerve
nesting and escape cover. For pheasants, undisturbed development. Lawns, shrubs, and trees grow well.
nesting cover is essential and should be included in plans only limiting feature is the rapid permeability in the
for habitat development especially in areas of intensive stratum, which causes a hazard of ground water
agriculture.
tamination from sewage lagoons. Capability subclas
This soil has good potential for urban and recreational irrigated; IVe nonirrigated; Sandy Plains range site.
development. Lawns, shrubs, and trees grow well. The 77—Vona sandy loam, 8 to 5 percent slopes. Thi
only limiting feature is the rapid permeability in the sub- deep, well drained soil on plains at elevations of 4,6
stratum, which causes a hazard of ground water con- 5,200 feet. It formed in eolian deposits. Include
i don from sewage lagoons. Capability subclass IIa mapping are small areas of soils that have a loamy
7c Vona sandy loam, I to 8 stratum and areas of soils that are noncaleareous
percent slopes. This is a depth of 60 inches.
, well drained soil on plains and high terraces at Typically the surface layer of this Vona soil is gr
elevations of 4,600 to 5,200 feet. It formed in eolian and brown sandy loam about 8 inches thick. The subs
alluvial deposits. Included in mapping are some leveled brown fine sandy loam about 15 inches thick. The
areas. Also Included are small areas of soils that have a stratum to a depth of 60 inches is sandy loam.
loamy substratum and areas of soils that are noncalcare. • Permeability is moderately rapid. Available
+ace to a depth of 60 inches. capacity is moderate. The effective rooting depth
typically the surface layer of this Vona soil is grayish inches or more. Surface runoff is medium,and the ex
-sown sandy loam about 10 Inches thick. The subsoil is hazard Is low.
brown fine sandy loam about 18 inches thick. The sub. In irrigated areas this soil is suited to the crops
stratum to a depth of 60 inches is sandy loam. monly grown in the area. Perennial grasses and alfi
Permeability' is moderately rapid. Available water close grown crops should be grown at least 50 penes
:apathy is moderate. The effective rooting depth is 60 the time. Contour ditches and corrugations can be us
nches or more. Surface runoff is slow, and the erosion irrigating close grown crops and pasture. Furrows,
iazard is low, tour furrows, and Cross slope Throws are suitable fo:
In irrigated areas this soil is suited to all crops com- crops. Sprinkler irrigation is also desirable. Iteepin
nerdy grown in the area, including corn, sugar beets, !age to a minimum and utilizing crop residue help tc
'sans.
important. c
Dping system is 8 to 4 years of alfalfa fol- respond to applications of phosphorus and nitrogen.
'wed by corn,corn for silage, sugar beets, small grain, or In nonirrigated areas this soil is suited to winter a
Bans. Land leveling, ditch lining, and installing pipelines barley, and sorghum. Moat of the acreage is plant
re needed for proper water applications• winter wheat The predicted average yield is 28 bu
All methods of irrigation are suitable, but furrow ir- per arse. The soil to summer (allowed in alternate
igation is the most common. Boatyard manure and corn- to allow moisture accumulation. Generally precipitat:
'erdal fertilizer are needed for top yields. too low to make beneficial use of fertilizer.
Windbreaks and environmental plantings are generally Mulch farming, atriperopping, and minimum tiling
riled to this soil. Soil blowing, the principal hazed In needed to control soil blowing and water erosion. Ti
stablishing trees and shrubs, an be controlled by cut- frig also may be needed to control water erosion
eating only in the tree row and by leaving a strip of The potential native vegetation on this range si
rgetation between the rows. Supplemental irrigation dominated by sand bluestem, sand reedgrass, and
ey be necessary at the time of planting and during dry grams. Needieandthread, switchgrass, sldeoats sp
.riods.Trees that are best suited and have good survival and western wbeatgrase are also prominent.. Pate
e Rocky Mountain juniper, eastern redeedar, ponderosa production ranges from 2,200 pounds per acre in fa
ne, Siberian elm, Russian-olive, and hackberry_ The ble years to 1,800 pounds in unfavorable years. As s
condition deteriorates, the sand bluestem, sand reedi
''gib
05/24/99 NON 10:54 FAX Q1003
, ''.1
I.XY WELD COUNTY, COI
Motion should be continued for as many years as
toasible following planting.Trees that are best suited and have good survival are Rocky Mountain juniper, easter
redcedar,ponderosa pine,Siberian elm, Russian-olive, sr cave good survival are Rocky Mountain juniper, eastern
*deader, ponderosa pine, Siberian elm, Russian-olive, and heckberry. The shrubs best suited are akunkbush soma
taekberry. The shrubs best suited are slcunkbush sumac, lilac, Siberian pesehr rt and American plum.
Rae, Siberian pesshrub,and American plum. oplanWild fe is an important secondary use of this soil. Tl
Wildlife isan important secondary use of this Solt The cropland areas provide favorable habitat for ring-necks
cropland areas provide favorable habitat for'ring necked pheasant and mourning dove. Many n nestin and es ca
shesnat and mourning dove. Many nos gairse species can be attracted by establishing areas for nesting and a cover. For pheasants, ssei
>a attracted by establishing areas for nesting and escapeundisturbed nesting cover is eases
over For pheasants, undisturbed nesting cover fe seen- tied and should be included in plans for habitat develce
jai and should be included in plans for habitat develop- ment, sosoil a has is areas of potential ote for agriculture.
rb
pent, especially in areas of intensive agriculture. Range- it It m derafr to poor i srinkfor urban trengideveicl
and wildlife, for example, the pronghorn antelope, can be meet.mod has moderate to cab shrink eefeatull, low as treat
.ttracted by developing livestock watering facilities, pad problems in
pnd road
co. These features careaa
nanaging livestock grazing,and reseeding where needed_ problems in dwelling and road construction. Those area
This soil has fair to poor potential for urban develop- that have loam or sandy loam in the lower part of th
vent It has moderate to high shrink swell, IoW strength, • substratum are suitable for septic tank absorption field
rid moderately slow and foundations. Some areas of this soil are adjacent t
permeability. These features create streams and are subject to occasional flooding. The
.roblems in dwelling as
Doter
and road construction. Those areas tial is fair for such recreational development ae camp an
bat have loam or sandy loam in the lower part of the
abstratum are suitable for septic tank absorption fields picnic areas and playgrounds.1 to S Capability rcn class I This ates
adjacent to ep, well drainedn clay loam, 1 r percent slopes. is
,cad foundations. Some areas as this soil are deep, soil on terraces and smooth plains c
trams and are subject to occasional flooding.The peter- elevations of 4,550 to 6,150 feet. It formed in mixed alp
ial is fair for such recreational development as camp and
vium and sullen deposits. Included in mapping are *mat
areas deltic areas and playgrounds. Capability subclass Ile ir- long and narrow areas of sand and gravel deposits an
417,Irknonirrigated; Loamy Plains range site. small areas of soils that are subject to occasional flooding
41 Nunn clay loam, 0 to 1 percent slopes. This is a Some leveled areas are also included.
well drained soil on tenets and smooth plains at
'vtions of 4,560 to 5,160 feet It formed in mixed allu- brown nklay. the surface lainchesyer this Nunn soil oIf gtaie.
,t and eolian deposits. Included in mapping are small, clay loam abbot 9 out thick. The subsoil is uppe
mg and narrow areas of sand and gravel deposits and brownish atfthe gray substratum clay loam about 14 b brownish
inches thickgay The an
mall areas of soils that are subject to occasional flooding. The of part oadepth is light brinches gray clay load
come small leveled areas are also included. The lower to a of 60 inches is brown send,
loam.
Typically the surface layer of this Nunn soil is grayish Permeability is moderately slow. Available ware
Town clay loam about 9 inches thick. The subsoil is light capacity is high. The effective rooting depth is 60 inch*
rownisb gray clay loam about 14 inches thick. The upper or more. Surface runoff is medium, and the eroslo:
art of the substratum is clay loam. The lower part to a hazard is low.
eptb of 60 inches is sandy loam. In irrigated areas this soil is suited to all crops Coro
Permeability is moderately slow. Available water manly grown in the area, including corn, sugar beet¢
opacity Is high. The effective rooting depth is 60 inches beans, alfalfa, small grain, potatoes, and onions. An exam
r more. Surface runoff is slow, and the erosion hazard is pie of a suitable cropping system is 8 to 4 years of slfal(
ow. followed by corn, corn for silage, sugar beets, small grair
This soil is used almost entirely for irrigated crops. It or beans. Generally such characteristics as the high eta:
suited to all crops commonly grown in the area, includ- content or the rapidly permeable substratum slight]:
tg corn, sugar beets, beans, alfalfa, small grain, potatoes, restrict some crop*.
ad onions. An example of a suitable cropping system is 8 All methods of irrigation are suitable, but furrow it
i 4 years of alfalfa followed by corn, corn for silage, ligation is the most common. Proper irrigation water
agar beets, small grain, or beans.Few conservation prat- m
ces are needed to maintainyields. management is essential. B e manure and coroner
top clog fertilizer are needed for top yields.
All methods Of irrigation are suitable, but furrow it- In nonirrigated areas most he acreage is in snag
gation is tile inapt common. Barnyard manure and corn- grain and it is summer (allowed in alternate years
ercial fertilizer are needed for tap yields. Winter wheat is the principal crop. The predicted averagt
Windbreaks and environmental plantings of trees and yield is 83 bushels per acre. If the amp is winterkd]]ed
cubs commonly grown in the area are generaTy well spring wheat can be seeded. Generally precipitation is tot
sited to this soil. Cultivation to control competing low for beneficial use of fertilizer.
mutation should he continued for as many years as Stubble mulch farming, striperopping, and minimum tit
msible following planting.Trees that are best suited and loge are needed to control soil blowing and water erosion.
'S._..
03/24/99 NON 10:35 FAB. T @J 004
WELD CatINIT, COLORADO, SOUTHERN PART
27
Typically the surface layer le light brownish gray fine establish. This soil, however: does have good potential for
g+dy loam about 8 inches thick. The underlying material such recreational development as camp and picnic areas
is light olive brown fins sandy loam. Soft sandstone is at and playgrounds- Capability subclass Ive irrigated, Vie
a depth of about 28 inches.
Permeability is moderately rapid. Available water . red; Sandy Plains range site.
capacity is moderate. The effective rooting depth is 20 to we Nmm loam, 0 to 1 percent at slopes.of This 4 0 a 55esp,
40 inches. Surface runoff is medium to rapid, and the era- i drained soil on terraces at alluvium-
l 4 to mapping
slon hazard Is moderate. feet. It formed in mixed aIIuviurn_ Included In mapping
This soil is suited to limited cropping. Intensive are small, long and narrow areas of sand and gravel
cropping is hazardous because of erosion. The cropping atonal flooding Some small leveled areas eposits and small areas of soil that are su haw also in
system should be limited to such close grown crops es Al- eluded.
ffdfitad eat.turand
A barley.
This
cropping system is 8o suited top 4 Typically the surface layer of this Nunn soil is grayish
years of alfalfa followed by 2 years of corn and small brown loam about o lichen thick. The ick. is light
r
grain and alfalfa seeded with a nurse crop.
brownish gray clay loam shout 12 inches. thick. The upper
Close grown crops can be irztgate'd from closely spaced The lower part to a depth oofe subetrattun is t60 inches is browniSh brown sandy
contour ditches or sprinklers. Contour furrows or sprin• loam
klers should be used for new crops. Applications of
nitrogen and phosphorus help in main Permeability is moderately slow. Available water
Lion tarn�g gad product capacity is high. The effective rooting dept is 60 inches
The potential native vegetation on this range site is or more. Surface runoff is slow, and the erosion hazard is
dominated by sand bluestem, sand reedgrsss, and blue low.
grams. Needleandthread, switchgrase, skleoats grams, This soil is used almost n yrgrown irrigated , Inc! It
and western wheatgrass are also prominent. Potential is suited to all crops commonly grown !n the area Maud-
and ranges from 2,200.pounds per acre in favors- ing corn, sugar beats, beans, alfalfa small grain, potatoes,
ble years to 1,800 pounds in urdavorable years. As and onions. is $
An example of a suitable cropping system
condition deteriorates, to sand :bluestem, sand reedgrac�s, to 4 y of alfalfa followed c by orn, corn for silage,
and switchgrass decrease and blue gtarna, sand dropseed, sugar beets, small grain, or beans. Few conservation prac-
and sand sage increase. Annual weeds and grasses invade tiers are needed to maintain top yields.
All methods of irrigation are suitable, but furrow It-
°4e site as range condition becomes poorer.
rigatlon is the most common. Barnyard manure and com-
`tanagemsnt of vegetation on this soil should be based
aldng half and leaving half ofthe total annual product mercial fertilizer are needed for top yields,
lion Seeding is desirable if the range is in poor condition. Windbreaks and environmental plantings of trees and
Sand bluestem, sand reedgraas, awitchgrass, sidecars shrubs commonly grown in the area are generally well
trams blue grams pubescent aheatgraea and crested suited to this soil. Cultivation to control competing
aheatgrass are suitable for seeding. The grass selactad vegetation should be continued for as
vmany years as
+houki meet the seasonal requirements of livestock It can possible following planting. Trees that are best suited and
re seeded into a clean, firm sorghum stubble, or It can be have good survival are Rocky Mountain juniper, eastern
trilled into a firm prepared seedbed. Seeding early in redcedar, ponderosa pane, Siberian elm, Russian-olive, and
Pring has proven most successful hackberry. The shrubs best suited are skunkbush, lilac,
Windbreaks and environmental plantings are generally Siberian peaahrub, and American plum.
tot suited_ Onsets investigation is needed to determine if Wildlife is an important secondary use of this soil. The
awnings are feasible. cropland areas provide favorable habitat for ring-necked
Wildlife is an important secondary use of this soil. The pheasant and mourning dove. Many nongame species can
ropland areas provide wildlife habitat for ring-necked be attracted by establishing areas for nesting and escape
heasant and mourning dove, many nongame species can cover. For pheasants, undisturbed nesting cover le essen-
e attracted by establishing areas for nesting and escape tial and should be included in plans for habitat develop-
wen Far pheasants, undisturbed nesting cover is essen- mint, especially in areas of intensive agriculture.
al and should be included in plans for habitat develop.. This soil has fair to poor potential for urban develop-
tent, especially in areas of intensive agriculture. Range- ment. It has moderate to high shrink swell, low strength,
ad wildlife, for example, the pronghorn antelope, can be and moderately slow permeability. These features create
:treated by developing livestock watering facilities, problems in dwelling and road construction. Those areas
enaging livestock grazing,and reseeding where needed. that have loam or sandy loam in the lower part of the
The underlying sandstone is the most limiting feature substratum are suitable for septic tank absorption fields
• this soil Neither septic tank absorption fields nor and foundations. Sortie areas are adjacent to streams and
wage lagoons operate properly. Site preparation for are subject to occasional flooding. This soil has fair poten-
vellIngs is more costly. Environmental and beautiflca, tial for such recreational development as camp and picnic
01 plantings of trees and shrubs may be difficult to areas and playgrounds. Capability clasa I irrigated.
05/44/99 MON 10:36 FAX O 003
WELD COUSVTY, COLORADO, SOUTHERN PART I9
egetation should be continued for as many years a8cable following Management tinghalf
of vegetation on this soil should be based
o planting.Trees that are best suited and on taking ha and leaving half of the total annual produc-
nave good survival are Rocky Mountain juniper,•eastern tion. Seeding is desirable if the
redcedar,ponderosa pine, Siberian elm, Russian-olive, and Sideoats grams, range r poor condition_
aaa,blue
e
backberry. The shrubs beat suited are akunkbush sumac, grams,pubescent wheatgrsss,and western soh heatg as a
lilac,Siberian peaahrub, and American plum grass crested should meet es are
Wildlife is an important sewn p suitable for seeding.n The selected It can inthto
lmpo secondary use of this soil. The seasonal requirements of livestock It be seeded into
cropland areas provide favorable habitat for ring-necked a clean, firm sorghum stubble, or it can be drilled Into a
pheasant and mourning dove. Many nongame species can firm prepared seedbed. Seeding early in spring has
be attracted by establishing areas for nesting and escape proven most snccessftL
cover. For pheasants, undisturbed nesting cover is risen- Windbreaks and environmental plantings of trees and
tial and should be included in plans for habitat develop- shrubs commonly grown in the area are generally well
menu,especially in areas of Intensive agriculture. suited to this soil. Cultivation to control competing
This soil has good potential for urban and recreational vegetation should be continued for as many years as
development Road design can be modified to compensate possible following planting.Trees that are best suited and
for the limited capacity of this soil to support a load. have good survival are Rocky Mountain juniper, eastern
9ritiltty class I irrigated. redcedar, ponderosa pine, Siberian elm. Russian-olive,and
Port Collins loam, 1 to 3 percent slopes. This is a hackberry. The shrubs best suited are skunkbush sumac,
.tvelI drained soil on terraces and plains at elevations lilac, Siberian peaahrub,and American plum.
of 4,500 to 5,050 feet It formed in alluvium modified by Wildlife is an important secondary use of this soil The
thin eolian deposits.Included in mapping are some leveled cropland areas provide favorable habitat for ring-necked
areas and few small areas of a soil that is calcareous at pheasant and mounting dove. Many nongame species can
the surface. be attracted by
establishing areas for nesting and escape
Typically the surface layer of this Fort Collins sail is cover. For pheasants, undisturbed nesting cover is essen-
grayish brown loam about 7 inches thick. The subsoil is tial and should be included in plans for habitat develop-
brown and very pale brown clay loam and loam about IT ment, especially in areas of intensive agriculture. Range_
inches thick. The substratum to a depth of 60 inches is land wildlife, for example, the pronghorn antelope, can be
fine sandy loam. byPermebility is moderate. Available water capacity manacled iv developing kgrazing,alind
watering facilities,
high. The effective rooting is managing livestock and reseeding where needed.
depth is 60 inches or more. This soil has goad potential for urban sad.recreational
Instate runoff is medium,and the erosion hazard is low. development Road design can be modified to compensate
In irrigated areas this soil is suited to all crops con_ for the limited capacity of this soil to support a load.
monly grown in the area, including corn, sugar beets, Capability subclass IIe irrigated, IVe nonirrigated;
beans (fig. 5), alfalfa, small grain, potatoes,and onions. An Loamy Plains range site.
example of a suitable cropping system is S to 4 years of 25—Haverson loam, 0 to 1 percent slopes. This is a
alfalfa followed by corn, corn for silage,sugar beets,small deep,well drained soil on low terraces and flood plains at
grain, or beans. Land leveling. ditch lining, and installing elevations of 4,500 to 4,800 feet. It formed in stratified
pipelines may be needed for proper water applications. calcareous alluvium. Included in mapping are small areas
All methods of irrigation are suitable, but furrow it of soils that have fine sandy loam and sandy loam under-
rigation is the most common. Barnyard manure and corn- lying material and small areas of soils that have sand and
menial fertilizer are needed for top yields. gravel above 40 inches.
In nonirrigated areas this sa0 is suited to winter wheat, Typically the surface layer of this Meyerson soil is
barley, and sorghum. Most of the acreage is planted to grayish brown loam about S inches thick. The underlying
winter wheat. The predicted average yield is 28 bushels material to a depth of 60 inches is pale brown loam
per acre. The soil is summer followed in alternate years stratified with thin lenses of loamy sand and clay loam.
to allow moisture accumulation. Generally precipitation is Permeability la moderate. Available water capacity is
too low for beneficial use of fertilizer. high. The effective rooting depth is 60 inches or more.
Stubble mulch farming, striperopping, and minimum til- Surface runoff is slow, and the erosion hazard is low. The
lags are needed to control soil blowing and water erosion. soil is subject to flooding.
The potential native vegetation is dominated by blue This soil is used almost entirely for irrigated crops. It
grams. Several mid grasses, such as western wheatgrase is suited to all crops commonly grown in the area, includ-
and needleandthread, are also present. Potential produc- Ing cam sugar beets, beans, alfalfa, small grain, and
tion ranges from 1,600 pounds per acre in favorable years onions.
to 1,000 pounds in unfavorable years. As range condition All methods of irrigation are suitable, but furrow ix-
deteriorates, the mid grasses decrease; blue grams, buf- nation is the moat common. Barnyard manure and com-
falograss, snakeweed, yucca, and fringed sage increase; martial fertilizer are needed for top yields.
and forage production drops. Undesirable weeds and an- Windbreaks and environmental plantings are well
mats invade the site as range condition becomes poorer. suited to this soil Flooding and moisture competition
06;1.4/99 M0N 13:01 FAX
,,Th iaj001
12 SOIL SURVEY to I 8'
This soil has good potential for urban and recreational Wildlife is an important secondary use of this soil. The
development_ Increased population growth in the survey eropland areas provide favorable habitat for ring-necked
area has resulted in increased homesite construction. The pheasant and mourning dove. Many nongame species can
chief limiting soil features for urban development are the be attracted by establishing areas for nesting and escape
shrink-swell potential of the subsoil as it wets and dries cover. For pheasants, undisturbed nesting cover is soma-
and the limited ability of this moil to support a load. Septic tial and should be included in plans for habitat develop-
tank absorption fields function properly, but community ment, especially in areas of intensive agriculture. Range-
sewage systems should be provided if the population den- land wildlife, for example, deer and antelope, can be at-
sity increases. Because of the moderately rapid permea- traded by managing live-tank grating and reseeding
bility of the substratum, sewage lagoons must be sealed- where needed.
Lawns,� r� shrubs, and trees grow well. Capability subclass This soil is not suited to urban or recreational develop-
p� ga meat because of the flood hazard. Capability 4( 10—Bankard sandy loanR, 0 to 3 percent slopes. This subclass
is a deep, somewhat excessively drained soil on flood range ski irrigated, Viw nonirrigated, Sandy Bottom land
plains at elevations of 4,460 to 6,000 feet. It formed in 11—Bressler sandy loam, 0 to 1 percent slopes. TTria is
stratified recent alluvium along streams and rivers_ In- a deep, well drained soil on terreges at elevations of 4 myt,—
eluded in mapping are numerous sand and gravel bars and small areas of noncalear•eous soils. OPTIMAL wwa an 1/,901
Typically the surface layer of this Bankard soil is FAX TRANSMITTAL «a P>a:brown sandy loam about 4 Inches thick. The underlying it- it
material to a depth of 60 inches is pale brown calcareous re From S 4.26:114� �
sand stratified with thin lenses of sandy loam, loam, and un Knet„ r....
fine gravel Phone« a_ O
Permeability is moderately rapid. Available water Pup Fn„AI
�7 ~& y
capacity is low.The effective rooting depth is 60 inches or Ii)5 —a74-33 2_19 xd r s 51—0:59 Z
KIN sosv ,o more. Surface runoff is slew, and the erosion hazard is cEMERP,scanceawrPNsrRAtfd"
low.
This soil is suited to limited cropping. It is sandy and more. Surface runoff is slow, and the erosion hazard is
subject to flooding. Pasture is the best use. Tall wheat- low•
grass, tall fescue, and annual sweetclover are some of the This soil is used almost entirely for irrigated crops It
most suitable crops. Light, frequent irrigation by furrows is suited to all crops commonly grown in the area Inciud-
and flooding is beet. Commercial fertilizer improves the inssugar beets, beans, alfalfa, small grain, potatoes,
amount and value of forage produced. and onions. An example of a suitable cropping system is 3
The potential native vegetation is dominated by to 4 years of alfalfa followed by corn, corn for silage,
switchgrass, indiangrasa, sand bluestem, sand reedgraes, sugar beets, small grain, or beans. Few conservation prac-
sideoats grants, needleandthread, and blue grama. Much tees are needed to maintain top yields.
of this range site includes other soils and vegetation in AU methods of irrigation are suitable, but Ostrow ii'-
such a complex pattern that it is difficult to map them rigation is the most common. Barnyard manure and com-
separately. Potential production ranges from 2,500 pounds menial fertilizer are needed floc top yields.
per acre in favorable years io 1,600 pounds in unfavorable Windbreaks and environmental plantings are generally
years. As range condition deteriorates the tall and mid suited to this soil. Soil blowing, the principal hazard in
grasses decrease; blue grams, sand dropseed, and forba establishing trees and shrubs, can be controlled by cul-
increase; and forage production drops. Undesirable weeds tivating only in the tree row and by leaving a strip of
and annuals invade the sit* as range condition becomes Vegetation between the rows. Supplemental irrigation
poorer. may be needed at the time of planting and during dry
Management of vegetation should be based on taking periods.Trees that are best suited and have good survival
half and leaving half of the total annual production. Seed- are Rocky Mountain juniper, eastern redeedar, ponderosa
ing is desirable only in areas large enough to interseed or pine, Siberian elm, Russian-olive, and hackberry. The
to prepare a seedbed. Switehgrass, sand bluestem, sand shrubs best suited are skankbush sumac, lilac, and Siberi-
reedgrass, sideoats grams, little bluestem,blue grams, pu- an peashrub.
bescent wheatgrass, and intermediate wheatgrass are Wildlife is an important secondary use of this soil.
suitable for seeding. This soil can be seeded by using an Ring-necked pheasant, mourning dove, and many non-
interseeder or a firm, clean sorghum stubble. A grass drill game species can be attracted by establishing areas for
is required. Seeding early in spring has proven most sue- nesting and escape cover_ For pheasants, undisturbed
easeful nesting cover is essential and should be included in plans
This soil is generally not suited to the establishment for habitat development, especially in areas of intensive
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 recreational
shrub species, development. Lawns, shrubs, and trees grow well. The
05'/24/99 MON 10:57 FAX. 11006
8
soli S nvEY
/` filter the Machete. Se
Lawrie, shrubs, and tree Sewage lagoons require abi sealing. 60 percent of the unit. eAmanda which en a lighter
Its irrigated. �' subclass colored surface layer,make up about 86 percent. About 5
Z—Altvan loam, 1 to 3 percent slo percent is Aquepts and Barkard sandy loam.
well drained on 1 to 3 elevations of his is a deep, These are deep, poorly drained soils that formed in
et soiled in old noes at deposited 4,500 to 4,900 recent alluvium. No one pedon is typical Commonly the
fivers Included fm in mapping by the major soils have a mottled, mildly alkaline to moderately al-
are small areas of soils that kaline loamy or clayey surface layer and underlying
show evidence of poor drainage. Mao included are small, material and are underlain by sand or sand and gravel
long and narrow areas of sand and gravel deposits. within 48 inches. In places they have a gleyed layer in the
Typically the surface Layer of this Altvan soil is grayish underlying material,
brown loam about 10 inches thick. The subsoil is brown Most of' the acreage is subject to flooding. The water
and light yellowish brown slay loam and sandy clay loam table is at or near the eurfaee early in spring and recedes
about 14 inches tulek.The substratum is calcareous loamy to as deep as 48 inches late in fall in some years
sand about 5 inches thick over gravelly sand. These soils are used for Permeability and available water capacity are Some
and wildlife habitat.drainage
moderate. The effective rooting depth is 20 to 40 inches. ones areas have been rrrigimed by major drainage
Surface runoff is medium,and the erosion hazard is low. The potential and leveling and native a used forLion Is irrigated crops.
inatedSurface>e eu alkali
Thie soil
s crops ed almost
nti grown for
In theted . It atop, switahgrass, and western wheatgress S t
big corn, sugar beets, beaus, alfalfa, smell grain, pots a�� rush. and alkali bluegrass are p also per pe acre In
and onions An example of a suitable cropping system its 8 Potential e production ranges from n000 pounds acre is
to 4 years of alfalfa followed by torn, corn for silage, favorable years to eter pounds in unfavorable years. As
sugar beets, small grain, or beans. Land leveling ditch range condition deteriorates, the awitchgrass, alkali
lining, and installing pipelines may be needed for proper aacaton and western wheatgrass decrease and saltgrass,
water application- sedge,and rush increase.
All methods of irrigation are suitable, but furrow ir- Management of vegetation should be based on taking
half and leaving half of the total annual production. Seed-
ligation is the most common. Barnyard manure and con-
ing is difficult and costly because numerous tillage prac-
mercial fertilizer are needed for top Yields
Windbreaks and environmental plantins of trees and ticee are required to eliminate the aaltgrass sod.
Switchgraas, western wbeatgraas, alkali sacaton, tall
shrubs commonly grown in the area are generally well
suited to this soil. Cultivation to control competing whestgrass, and tali fescue ere suitable for seeding. They
vegetation should be continued for as many years as can be seeded into a clean, firm seedbed. Seedbed
possible following planting. Trees that are best suited and preparation usually requires more than 1 year to
have good survival are Rocky Mountain juniper, eastern eliminate the saltgrass sod. A grass drill should be used.
redcedar, ponderosa pine, Siberian elm, Russian-olive, and Seeding early in spring has proven most successful.
baekberry, The shrub, best suited are skt akbneh sumac, Wetland wildlife, especially waterfowl, utilize this unit.
lilac, Siberian peeshrub, arid American plum. The wetland plants provide nesting and protective cover,
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 pewter-
tail, and mourning dove. Such crops as wheat, corn, and five cover, makes this unit valuable to both wetland and
alfalfa provide suitable habitat for openland wildlife, °Penland wildlife-
especially pheasant. Tree and shrub plantings and Openland 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 far to good potential for urban These valuable wildlife areas should be protected from
and recreational development. The chief limiting soil fee- fire and fenced to prevent encroachment and overuse by
trees for urban development are the shrink-swell poten- livestock They 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 VIw; Salt Meadow range site_
tank absorption fields function properly, but in places the 4—Aquolle and Aquepts, flooded. This nearly level
substratum does not contain enough fines to properly map unit is in depressions in smooth plains and along the
filter the Machete. 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,
ted. make up about 55 percent of the unit. Aquepts, which
quolls and Mutate, gravelly substratum. This have a lighter colored surface layer, make up about 25
A 5
ga
level map unit is on bottom lands and flood plains percent About 20 percent,is soils that are well drained
of all the major streams in the survey area. Aquols, and soils that have sandstone or shale within 48 inches of
which have a dark colored surface layer, make up about the surface.
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