Finding the optimal crop portfolio for sustainability farming

Abstract Activities in the agricultural sector are always faced with risk and uncertainty. The problem of uncertainty is also experienced by vegetable farmers Marelan District. Generally, cultivate long beans, spinach, mustard. One alternative that can be done to minimize impact doing diversification. Moreover, diversification supports sustainability agriculture. Diversification farming combining two or more crops one area cultivated land. This combination referred as a crop portfolio. optimal portfolio selection will affected return farmers’ preferences. result showed neutral preference II, spinach monoculture. When changes from averse very averse, VI, results this research used reference selecting best for government making policies related so district could become sustainable have good environment.