Application of Game Theories to Assessing the Sustainability of Crop Patterns in Bavanat Fars Province Regarding to Economic, Social and Environmental Goals

Although agriculture activities have important role in gross domestic product of countries but they have externalities environment. In recent years the use of excessive and unreasonable chemicals in agriculture has led to soil and water pollution and also cause to human disease. Also Irregular usage of water and using inappropriate methods of irrigation has caused many environmental and economic problems.In this study, a mathematical planning model representing economic behavior of farmers is combined with game theory for achieving real vision of crop pattern with regarding agricultural, environmental and economic aspects. This research gives optimum solution for conflicting goals of farmers and environmental organizations as two main actors. Required data were collected from farmers in Bavanat region and jihad of agriculture organization in 2014-2015. Application of four methods for resolving challenge showed that both actors have ability to achieve balance between conflicting goals. Also, results showed that in the condition of equal weight to economic and environmental goals, nitrate fertilizer use decrease by 4% and gross margin decreases by 11 percent comparing to condition of regarding only economic goal. Again address to result and place of environmental issues it may recommend asking policy makers to apply and extent the appropriate methods of farming.