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Abstract
The economic feasibility of using hexazinone for weed control in lowbush blueberries (Vaccinium angustifolium Ait.) was determined by using the partial budgeting technique. Four rates of hexazinone were evaluated to determine the effect on net income in a blueberry enterprise. Response function analysis also was utilized to ascertain the hexazinone level that would maximize blueberry yield and profitability. Partial budget analysis indicated that hexazinone use at 1.1, 2.2, and 4.5 kg/ha was expected to increase net income, indicating its use was economically feasible. Hexazinone use at 9 kg/ha was judged to be economically infeasible, since it decreased net income. Response function analysis revealed that 2.3 kg/ha of hexazinone maximized profits. Chemical names used: 3-cyclohexyl-6-(dimethylamino)-1-methyl-1,3,5-tria-zine-2,4(1H,3H)-dione (hexazione).