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Continued <br />• Olney Sandy Loam <br />about 900 pounds per acre. If the condition of the range deteriorates, <br />pricklypear cactus, threeawn, sand dropseed, and yucca increase. Range <br />seeding is suitable if the range is in poor condition. <br />If this unit is used for irrigated pasture and hay crops, the main <br />limitations are the hazard of erosion and the steepness of elope. <br />Irrigation water can be applied by corrugation, flooding from contour <br />ditches, and sprinklers. Sprinkler irrigation is the moat suitable <br />method of applying water. Uae of this method permits the even, <br />controlled application of water, reduces runoff and minimizes the risk <br />of erosion. Irrigation water needs to be applied at a rate that insures <br />optimum production without increasing deep percolation, runoff, and <br />erosion. Proper grazing practices, weed control, sad fertilizer are <br />• needed to insure maximum quality of forage. If properly managed, this <br />unit can produce 4 tons of irrigated alfalfa hay per acre. <br />J <br />