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This unit is well suited to irrigated hay and pasture. Irrigation water <br /> can be applied by corrugations and by flooding frrm contour ditches. If <br /> rorr_ugation :yntems are u!=ed, nins should b.r on the rontour or across tl-= <br /> S1oE)C-. Wate1: should Ix' applttx] in ruff ictent Vnuunts to Wet t1� rcaA zexne <br /> but in amounts small enough to minimize leaching of plant nutrients. <br /> Leveling helps to insure the uniform applicatipn of water. Use of nitrogen <br /> and phosphorus fertilizer promotes good growth of forage plants. Proper <br /> stocking rates, pasture rotation, and restricted grazing during wet periods <br /> help to keep the pastuije in good condition and to protect the soil from <br /> -erosion. If properly rnanaged, ,this unit can produce 4 tons of irrigated <br /> i <br /> grass hay per acre. <br /> The potential plant community is mainly western wheatgrass, blue grama, <br /> and prairie junegrass. ', other less numerous plants are native bluegrass, <br /> green needlegrass, and little bluestem. The average annual production of <br /> air-dry vegetation is about 1,300 pounds per acre. If the condition of the <br /> range deteriorates, sleepygrass, ring mutely, cholla, and tall rabbitbrush <br /> increase. Range seeding is suitable if the range is in poor condition. <br />