农机跨区作业对主产区粮食绿色全要素生产率的影响研究

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中图分类号：F323.6；F323.22 文献标识码：A 文章编号：2095-5553（2026）04-0361-10

Study on the influence of agricultural machinery cross-regional operation on green total factor productivity of grain in main producing areas

Li Zhi，Qu Suke （Research Center of Grain Economy，Henan University of Technology，Zhengzhou，450ool，China）

Abstract：Thecrossregionaloerationofagricultural machineryisanimportantmeasure toenhance thegreentotal factor productivityof grain and promote thegreen transformationof grain production.This paper takes13 major grain-producing provinces in China from 2O08 to 2022 asan example，uses the SBM model to calculate the gren total factor productivity of grain，anduses the two-way fixed modelandthe mediating efect toexplore the mechanismofthecrossegional operationofagricultural machineryonthegreen total factor productivityof grain.Theresearch finds that the green total factorproductivity（ GTFP ）of grain in the main production areas of China shows an“N"-shaped development trend of “first rising，then fallng，and then rising”，thecrossregional operationofagricultural machinery hasa significantpositive impact on the GTFP of grain in the main production areas，and there are obvious regional functional and geographical featurediferences.Inaddition，thedensityof highways playsanimportantmediatingrole intherelationshipbetwee the two，andhasathreshold effct basedonthescaleof farmlandoperation.Therefore，itis necessary tostrengthen the collaborative promotion mechanism of gren technologies，optimize the market structure of agricultural machineryservices， andenhancetechnical trainingand demonstration，soas to promote the highqualitydevelopmentof greengrain production.

Keywors：agricultural machinery crossregional operation；green total factor productivityof grain；mediating effect；scale ofagricultural land operation

0 引言

近年来，主产区粮食产量在全国总产量中的占比保持稳定增长态势，根据2024年《中国统计年鉴》，我国主产区粮食产量由2012年 76.86% 上升至2023年粮食主产区是保障国家粮食安全的“压舱石”1]

77.9% 。（剩余18038字）