A food system optimization model Analysis

Abstract

The optimization of food system is studied in this paper. Today's food system, while highly efficient and profitable, is generally unstable, and this instability is reflected in equity and sustainability. In our understanding, to achieve fairness, it is necessary to eliminate monopoly, distribution according to demand, production according to demand and safe reserve; Sustainability is mainly for the protection of water resources and natural environment resources. In order to evaluate the security of the food system, we set up the food system security evaluation system. First, identify the internal factors that affect the security of the food system, that is, whether the yield and nutritional structure of agricultural and livestock products in a given country can meet the needs of its people. Establish, a multivariate nonlinear regression model according to the linear relationship between various nutrients and food security. Then, the external factors affecting the security of the food system and the influences of natural and social environment on the food system were identified. The index system is established, namely, the safety index sequence of each indicator is obtained, and the influence degree of external factors is given. Finally, combining with the weight ratio of external and internal causes, the food system security evaluation system is obtained.