Purpose: The demand for clean vegetables has rapidly increased, many farmers gradually turn to vegetable cultivation to increase income; therefore, agricultural cooperative mobilized farmers group to facilitate them access to technical training and enhance compliance with...

A stochastic programming model was used to evaluate the economic performance of a soybean-based farming system in upland Java. The model incorporates farmers' risk preferences, revenue fluctuations and resources restrictions. The results show that (1) changes in risk preference do affect the...