Abstract
Environmental factors have a profound impact on the evaluation of grain production efficiency. Taking environmental factors into account can more accurately measure grain production efficiency and identify the development stage of grain production. Based on the global super-efficiency SBM model, environmental factors are included in the grain production efficiency measurement system, while the temporal and spatial evolution characteristics of grain production environmental efficiency and the sources of inefficiency are analyzed. In addition, the Spatial Durbin Model is used to investigate the influencing factors and spatial spillover effects of China’s grain production environmental efficiency. The results show that: environmental factors have a significant impact on the efficiency of grain production in China; the environmental efficiency of grain production in China fluctuates with a downward trend; the environmental efficiency of grain production in different provinces show obvious spatial differentiation and geographical agglomeration; the main influencing factors of the environmental efficiency loss of grain production in major grain production areas are carbon emissions, non-point source pollution of grain production and labor input; the level of education, the level of technological development, and labor transfer have a significant positive spillover effect on the environmental efficiency of China’s grain production, yet disaster rate has a significantly negative one. Thus, it is important to pay attention to resource conservation and pollution control, strengthen cooperation and exchanges between provinces, and take the path of coordinated development between the environment and grain production.
Highlights
Food security has always been the foundation of national security, social stability and economic development, and a major strategic issue that concerns the overall situation
2Due to the availability of data, the calculation of grain carbon sinks in the current study only considers the carbon uptake during the entire life cycle of major grain crops. 3According to the IPCC Fourth Assessment Report (2007), 1 ton of CO2 contains 0.272 tons of C; the greenhouse effect caused by 1 ton of CH4 is equivalent to the greenhouse effect of 25 tons of CO2; The greenhouse effect caused by tons of N2O is equivalent to the greenhouse effect of 298 tons of CO2
1) The first treatment method is the grain production efficiency taking no account of environmental factors; 2) The second is the grain production efficiency taking account of the only pollution factors of grain production environment; 3) The third is to simultaneously consider take account of both the grain production efficiency of grain ecological output and environmental pollution factors of grain production
Summary
Food security has always been the foundation of national security, social stability and economic development, and a major strategic issue that concerns the overall situation. The Moran’s I index is used to investigate the spatial agglomeration and diffusion effects of the environmental efficiency of grain production in the main grain production area On this basis, a spatial Durbin model is constructed to explore the spatial spillover effects of China’s grain production environmental efficiency. A spatial Durbin model is constructed to explore the spatial spillover effects of China’s grain production environmental efficiency It aims to provide some reference for the ecological transformation of China’s grain production and promote the high-quality development of grain production. At the national and inter provincial levels, it finds a realistic basis for improving the potential sources, enriches the relevant research on China’s grain production efficiency, and provides a decision-making reference for deeply implementing the concept of green development and promoting the high-quality development of grain production. At the national and inter provincial levels, it finds a realistic basis for improving the potential sources, enriches the relevant research on China’s grain production efficiency, and provides a decision-making reference for deeply implementing the concept of green development and promoting the high-quality development of grain production. 4) It has analyzed the spillover effects of external environmental influences such as the level of education, the level of technological development, the labor transfer and the disaster rate on the environmental efficiency of grain production in China to further explore the improvement path of grain production environmental efficiency in China
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