长江中游粮食主产区数字乡村建设对耕地利用生态效率的影响OA
The Impact of Digital Rural Construction on Cultivated Land Use Eco-efficiency in Major Grain-Producing Regions in the Middle Reaches of the Yangtze River
数字乡村建设作为推动农业农村现代化的重要力量,正在深刻影响耕地利用方式及其生态效率.文章基于 2009-2023 年长江中游粮食主产区(江西、湖南、湖北 31 个地级市)的面板数据,运用双向固定效应模型、门槛效应模型、中介效应模型和空间杜宾模型等方法,实证分析数字乡村建设对耕地利用生态效率的影响效应与作用机制,并结合异质性分析进一步探究了数字乡村建设对耕地利用生态效率影响的差异性.结果表明:数字乡村建设对耕地利用生态效率具有显著的正向促进作用,具有双门槛的非线性特征,并且通过了一系列稳健性检验;中介效应与空间溢出效应表明,数字乡村建设能够通过促进数字金融发展、强化农户数字认知素养和推动农业产业升级,间接促进耕地利用生态效率的提升,同时,数字乡村建设能够通过空间溢出效应协同提升邻近地区的耕地利用生态效率;异质性分析表明,数字乡村建设对耕地利用生态效率的影响在平原区与非平原区均显著为正,但对平原区的促进作用更加明显;对耕地投入和期望产出呈现显著正向影响,对非期望产出则呈现显著负向影响,且随着耕地利用生态效率分位点的提高而逐步增强.据此,提出分区推进数字乡村建设,跨越关键发展门槛,强化机制传导路径,提升数字乡村赋能效应,构建区域协同机制,放大空间溢出效应,优化要素配置结构,推动绿色低碳耕地利用的建议,旨在实现长江中游粮食主产区农业绿色转型与现代化发展协同共进.
As a core driver of agricultural and rural modernization,digital rural construction is profoundly reshaping cultivated land use patterns and their eco-efficiency.Based on panel data of major grain-producing regions in the middle reaches of the Yangtze River(covering 31 prefecture-level cities in Hubei,Hunan and Jiangxi)from 2009 to 2023,this paper empirically examined the impacts and underlying mechanisms of digital rural construction on cultivated land use eco-efficiency via two-way fixed-effects model,threshold model,mediation effect model and spatial Durbin model.Heterogeneity analysis was further conducted to explore differentiated impacts of digital rural construction on cultivated land use eco-efficiency.The empirical results showed that:digital rural construction exerted a significantly positive promoting effect on cultivated land use eco-efficiency with a double-threshold nonlinear characteristic,which survived multiple robustness tests.Mediation and spatial spillover analyses revealed that digital rural construction indirectly improved cultivated land use eco-efficiency by boosting digital finance penetration,advancing farmers'digital literacy,and accelerating agricultural industrial upgrading.In addition,digital rural construction could collaboratively improve the cultivated land use eco-efficiency of neighboring regions through spatial spillover effects.Heterogeneity analysis results confirmed significantly positive effects in both plain and non-plain regions,with stronger marginal gains observed in plain areas.Specifically,digital rural construction had significant positive effects on factor inputs and desirable agricultural outputs,and significant negative effects on undesirable outputs,and its marginal promoting impact intensified sequentially at higher quantiles of cultivated land use eco-efficiency.Accordingly,this papers puts forward targeted policy recommendations:promoting differentiated digital rural construction across subregions,crossing critical development thresholds,smoothing intermediate transmission channels to strengthen digital empowerment,establishing interregional coordination systems to amplify spatial spillover gains,and optimizing factor allocation for low-carbon and green cultivated land use.These measures aims to advance the coordinated green transformation and modernization of agriculture in major grain-producing regions in the middle reaches of the Yangtze River.
黄贤哲
江西财经大学 公共管理学院,江西 南昌 330013
管理科学
数字乡村建设耕地利用生态效率门槛效应空间效应长江中游粮食主产区
digital rural constructioncultivated land use eco-efficiencythreshold effectspatial effectmajor grain-producing regions in the middle reaches of the Yangtze River
《现代农业》 2026 (2)
93-112,20
江西财经大学第二十届研究生科研课题"农业环境规制驱动下粮食主产区降碳减污扩绿增长协同效应时空演化与权衡管理研究"(20251208145805200).
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