Initial and Operating Costs Comparison of the Three Systems CHAPTER 4. WATER RIGHTS INSTITUTION AND IOWA IRRIGATION RESTRICTIONS Water Rights Institution Water rights and allocation of surface water Water rights and allocation of ground water Water Rights Concept in Iowa Regulating the Division and Withdrawal of Wa.ter for Irrigation CHAPTER 5. DEVELOPMENT OF LINEAR PROGRAMMING MODEL AND DATA REQUIREMENTS The Objec tive Function and Constraints Data Requirements La nd constraint Labor constraint Interest charged on borrowed capital 68 68 Crop production Livestock production iii Page 70 95 CHAPTER 6. RESULTS AND DISCUSSION 102 Economic Feasibility Study of Irrigation From the Alluvial Aquifer 103 Basic solution 103 Interest rate parameterization Fuel price parameterization Corn price parameterization Soybean price parameterization Hog price parameterization Beef selling price parameterization Economic Feasibility Study of Irrigation From the Dakota Sandstone Aquifer Basic solution Crop yields parameterization Fuel price parameterization Interest rate of borrowed capital parameterization Corn price parameterization CHAPTER 7. CONCLUSION AND RECOMMENDATION Conclus i on