Interregional adjustments in crop and livestock production: a linear programming analysis
Ray F. Brokken, Earl Orel Heady, Iowa State University. Center for Agricultural and Economic Development
Economic Research Service, U.S. Dept. of Agriculture, 1968 - Mathematics - 154 pages
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20 regions accounting rows Agriculture Area Land-1 Land-2 beef cows cattle on feed consuming regions Corn Belt cost coefficients cotton and grain cotton land cottonseed meal crop activities decrease demand constraints demand levels Dol./cwt estimated exogenous concentrate export F F F fed cattle Feed requirements feed units feedlots fluid milk g-th region grade 1 beef grain land harvested roughages hay and pasture hay land hog production hundredweight identity matrix increase interregional land constraints Linear Programming livestock activity livestock capacity constraints livestock feed livestock production livestock-producing regions milk cows million acres million head nonfeed costs northern Great Plains number of milk output requirements patterns of production percent production costs region 13 region 20 region 9 shadow prices silage solution 19 solution 24 solution 71 sorghum South Dakota soybean meal specified supplies Table tion total costs transfer activities transportation activities Wheat Feed grains wheat production wild hay yields