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k. <br /> 3 - A uo l is nd A rests rnvrll substratum <br /> ...g_ _1 .J alknli sacntnn and western wl,ea[gress decrease and ea l[graas, sedge - <br /> •and rush incrc ase. <br /> These nearly level soils are on bottom lands and flood plains of all al <br /> Elie ma for streams to the survey aica. The Aquolls, which have dark Management of vegetation un this soil should be based in taking half <br /> colored surface layers, make up about 65 percent of the mapping unit. and leaving half of the total annual production. Seeding on this - <br /> The Aquents, which have lighter colored surface layers, make up about bite is difilcult and costly since numerous tillage practices are <br /> 25 percent. About 10 percent is Aquolls and Aquepts, flooded, and required to eliminate the saltgrass sod. Switchgrass• western wheatgrass. <br /> Sankard sandy loam. alkali sacaton, tall vheatgrass and tall fescue are suitable for seeding. <br /> For successful seeding a clean, firm seedbed -- usually requires more <br /> These are deep, poorly drained soils. They formed in recent alluvium. , <br /> Chan one year to eliminate the saltgrass sod -- and a grass drill <br /> Typically they have mottled, mildly to moderately alkaline, loamy or should be used. Early spring seeding has proven most successful. <br /> clayey surface layers and underlying material, and are underlain by <br /> Wetland wildlife, especially waterfowl, utilize these areas. The <br /> sand or sand and gravel within 48 inches. They may or may not have a <br /> availability of moisture due to the wetness of this soil allows pro- <br /> gleyed layer In the underlying material. <br /> duction of wetland plants that provide nesting and protective cover, as <br /> Most of these soils are subject to flooding, A watertable, it at or well as some food for waterfowl. The iuxteposition of this soil to <br /> near the surface early in the spring and recedes to as deep as 48 irrigated cropland areas where wildlife obtain much of their food. <br /> inches by late fall in some years. along with the cover provided, make this soil valuable to both wetland <br /> These soils are used for rangeland and wildlife habitat. Some small and open la nd wildlife. <br /> areas have been reclaimed by major drainage and leveling operations Openland wildlife, especially pheasants, use these areas for cover and <br /> and is farmed to irrigated crops. nesting, while they also provide excellent cover for deer when found <br /> The potential native vegetation on these soils is dominated by alkali in areas inhabited by deer. <br /> sacaton, svitchgrass and western vheatgrass. Saltgrass, sedge, rush Management for wildlife would include prevention of overgrazing by <br /> and alkali bluegrass are also prominent. Potential production ranges livestock, protection from unplanned fire, and prevention of drainage. <br /> from 3000 pounds per acre in favorable years to 2000 pounds per acre Where livestock are present, these valuable wildlife areas should be <br /> in unfavorable years. When range condition deteriorates, switchgress, rem„e,r <br /> — a_nre vent unwantpd encroachment and overuse by livestock. <br /> These soils have a good potential as n source of sand and rrnvel. <br /> I` Capability subclass Vlw <br /> 1 _ <br /> Salt meadow range site <br />