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<br />;:--. <br /> <br />'>1 <br />(,\J <br />'Y." <br />-:.) <br /> <br />;. ~;) <br /> <br />corners and using conventional surface irrigation while permanent cover <br /> <br />showed a small gain of $7. 63/acre. The "corner" system indicated a <br /> <br />small edge in .profitability over idle corners by $17.81 per acre to <br /> <br />$51.63 per acre. <br /> <br />The next four budgets represent a potato intensive rotation of 50% <br /> <br />potatoes and 50% malt barley. These' budgets are composite budgets rep- <br /> <br />resenting 2 years of production. (One year potatoes and one year barley <br /> <br />budgeted on an average annual basis). This represents nearly the maximum <br /> <br />share of potatoes that can feasibly be grown in rotation and the most <br /> <br />profitable with the crops budgeted. Cropping the corners using con- <br /> <br />ventional irrigation indicated about $9.00 per acre more profit than <br /> <br />permanent cover. ($96.09 versus $86.97). The "corner" system was the <br /> <br />most profitable with $111.54 per acre and idling the barley share but <br /> <br />cropping the potato share of the comers was third at $l06.per acre. <br /> <br />The final four budgets represented the mix of crops (67% malt barley, <br /> <br />7% feed barley and 26% potatoes) grown in the heavily concentrated center <br /> <br /> <br />pivot irrigation area around Center, Colorado. With this combination, <br /> <br />permanent cover showed slightly more profit than cropping tpe corners <br /> <br />($45.85 vs. $43.94). The "comer" system was the most profitable at $62.55 <br /> <br />per acre followed by the practice of cropping the corners when grown to <br /> <br />potatoes but leaVing the comers idle when barley is grown ($59.55 per acre). <br /> <br />CONCLUSIONS <br /> <br />The "comer" system appears to be the most profitable for continuous <br /> <br />malt barley, 50% potatoes and 50% malt barley and for the rotation re- <br /> <br />presenting the crop mix grown in the concentrated center pivot area. <br /> <br />For continuous feed barley, however, all four practices budgeted indi- <br /> <br />- 14 - <br />