U.S. rice industry producers face pressure from consumers, suppliers, and the government to reduce the greenhouse gas (GHG) emissions associated with rice(Oryza sativaL.) production. Arkansas rice cultivar-specific net GHG emissions information allows models of paddy rice emissions. Baseline levels of profit, yield variance, and GHG emissions are established using extension data. Varietal selection is then optimized to maximize profits and minimize GHG emissions, both constrained and

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... ined and unconstrained by baseline yield variance. Carbon abatement functions are estimated to examine the effects of hypothetical carbon prices on varietal selection.