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<br />~pend1x Table I - COMPARISON OF CROP ROTATIONS - CORNER MANAGEMENT, PROBLEMS, <br />AND NET RETURNS ON CENTER PIVOT SYSTEMS AND roRNERS 197'7 (Con't) <br /> <br />Rotation <br /> <br />7. Continuous malt barley <br /> <br />8. <br /> <br />.. <br /> <br />" <br /> <br />9. 50% malt barley <br />50% potatoes <br /> <br />10. 50% malt barley <br />50% potatoes <br /> <br />11. 50% malt barley <br />50% potatoes <br /> <br />("""'1 T " n <br />,~ -" J '. " <br />v""'" J . -\.~.' <br /> <br />Sprinkler <br />acreage <br /> <br />130 A <br /> <br />" <br /> <br />150 A <br /> <br />130 A <br /> <br />130 A <br /> <br />130 A <br /> <br />Comer Management <br /> <br />24 A., no cover <br /> <br />20 A. malt barley with <br />"corner" system 4A. idle <br /> <br />24 A. corners to potatoes & <br />malt barley - conventional <br />surface irrigation <br /> <br />24 A. corners to permanent <br />wildlife cover <br /> <br />12 A. potatoes & 12 A. <br />no cover <br /> <br />Problems <br /> <br />Zero return in corners, severe dust <br />problems, no wildlife cover, noxious <br />weed problem unless corners disked, <br />Which enhances dust problem. Fails <br />to use river water to enhance ground- <br />water recharge. <br /> <br />No wildlife cover, dust during pre- <br />p~ant tillage period in spring. Some <br />higher capital requirement and risk. <br />Fails to use river water to enhance <br />groundwater recharge. <br /> <br />Lower returns than "comer" system <br />or idle corners, no wildlife cover, <br />dust during preplant tillage period <br />in spring <br /> <br />Negative returns (cost) in comers <br /> <br />Zero returns in corners when planted <br />to barley, severe dust problems when <br />planted to barley, no wildlife cover. <br />less severe noxious weed problem When <br />planted to potatoes. Fails to use <br />river water to enhance groundwater <br />recharge. <br /> <br />Net returns <br />(1059-) <br />per acre <br />corners <br /> <br />(Dollars) <br /> <br />o <br /> <br />17,81 <br /> <br />7,20 <br /> <br />- 51. 34 <br /> <br />13,15 <br /> <br />Net returns <br />(1099-) pe r A <br />for 154 A <br />quarter2/ <br />section- <br />(Dollars) <br /> <br />15,63 <br /> <br />17,81 <br /> <br />N <br /> <br />96,09 <br /> <br />86,97 <br /> <br />106. 36 <br />