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<br />Appendix Table 1 - COMPARISON OF CROP ROTATIONS - CORNER ~UNAGEHENT, PROBL~~11 <br />AND NET RETURNS ON CENTER PIVOT SYSTEMS AND CORNERS 1977-'-- <br /> <br />Rotation <br /> <br />Sprinkler <br />acreage <br /> <br />Corner Hanagement <br /> <br />Prob lems <br /> <br />Net returns <br />(1055-) <br />per acre <br />co rne rs <br /> <br />(DoUars) <br /> <br />Net returns <br />(los8-) per A <br />for 154 A <br />quarter2/ <br />section- <br />(Dollars) <br /> <br />1. Continuous feed barley 130 A 24 A, feed barley, conven- <br /> tional surface irrigation <br />2, " " 130 A 24 A, permanent wildlife <br /> cove r <br />3, " " " 130 A 24 A., no cover <br /> <br />Vety negative returns, nO wildlife <br />cover, dust during preplant tillage <br />in spring <br /> <br />-14),47 <br /> <br />- 54, G4 <br /> <br />Negative returns <br /> <br />- 51. 34 <br /> <br />- 39, GG <br /> <br />Negative returns, severe dust prob- <br />lems, no wildlife cover, noxious weed <br />problem unless corners disked, which <br />enhances dust problem. Fans to use <br />river water to enhance groundwater <br />recharge. <br /> <br />o <br /> <br />- 31. GG <br /> <br />~ <br /> <br />4, <br /> <br />" <br /> <br />" <br /> <br />ISO A <br /> <br />20 A. feed barley with <br /> <br />Negative returns, no wildlife cover, - 36.77 <br />dust during preplant tillage period <br />in spring, some higher capital re- <br />qoirement and risk. Fails to use river <br />water to enhance groundwater recharge. <br /> <br />- 3G,77 <br /> <br />5, Continuous malt barley 130 A 24 A. malt barley, conven- Very negative returns in corners, no -131. aa 4,92 <br /> tional surface irrigation wildlife cover, dust during preplant <br /> tillage in spring <br />6. " " " 130 A 24 A. permanent wildlife Negative returns (cost) in come rs - 51. 34 7,63 <br /> cover <br /> <br />":'(;''''-r,'lq <br />( . <...' ~. F.., . : <br />'-'" '-'; '.... <br />