Path selection and efficiency increase mechanism of farmers’ adoption of environmentally friendly technologies: an empirical analysis
(2.College of Economics and Management, China Agricultural University)
【Abstract】Based on an analysis of the path selection and efficiency increase mechanism of farmers’ adoption of environmentally friendly technology, this paper constructs a Cov-AHP-MFA integrated technology efficiency evaluation model, and uses the survey data collected from 959 farmer households in the main greenhouse vegetable production areas of Huang-Huai-Hai and Bohai Rim regions to conduct an empirical estimation and a comparative analysis. The main conclusions are as follows. First, farmers with different path selection of doption of environmentally friendly technologies by themselves or service participation face different production frontiers; technology adoption intensity of farmers who participate in services provision has a significant U relationship with their production frontier. They have the potential to deepen the adoption of technology and expand frontier. Farmers who adopt technology by themselves rely on technology experience to mitigate the loss of technical inefficiency. Second, the marketing channels service based on environmentally-friendly technical advantages can significantly improve the TGR, but the purchase of relative technical goods or services reduces the farmers’ TGR. Third, the comprehensive meta-frontier production efficiency of farmers who participate in services provision is 5.79% higher than farmers who adopt technology by themselves, where the technical skill diffusion under learning by doing and the model effect is the main mechanism to improve production efficiency.
【Keywords】 adoption of environmentally friendly technologies; path selection; efficiency increase mechanism; Cov-AHP-MFA Model;
. ① It specifically refers to the technology of returning greenhouse vegetable straw to the field. This technology is helpful to greatly reduce the use of pesticides and fertilizers, increase soil organic matter and biological activity, and improve soil water and fertilizer conservation capacity. [^Back]
. ① Agricultural membrane is an important input material in greenhouse vegetable production, including plastic membrane and greenhouse membrane. However, the replacement of plastic membrane and greenhouse membrane does not follow the production cycle and is not taken as an input factor for production, which mainly reflects the completeness of facilities. Moreover, plastic membrane is the main supporting material for furrow irrigation technology under membrane, which should not be repeated in the production model, thus affecting the results of empirical calculation. Therefore, the input cost per mu is included in the equation to reflect the input density and guarantee level of material capital. [^Back]
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