Effect of policies in major grain-producing areas on synergistic reduction of agricultural pollution and carbon emission

[Objective] As a key initiative of China’s national food security strategy, the policy of major grain-producing areas serves as an important tool for coordinating stable and increased grain production with green agricultural development. Systematically evaluating its effect on the synergistic reduct...

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Main Author: ZHANG Degang, TANG Yushu
Format: Article
Language:zho
Published: Science Press, PR China 2025-06-01
Series:Ziyuan Kexue
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Online Access:https://www.resci.cn/fileup/1007-7588/PDF/1751588789533-1689600605.pdf
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author ZHANG Degang, TANG Yushu
author_facet ZHANG Degang, TANG Yushu
author_sort ZHANG Degang, TANG Yushu
collection DOAJ
description [Objective] As a key initiative of China’s national food security strategy, the policy of major grain-producing areas serves as an important tool for coordinating stable and increased grain production with green agricultural development. Systematically evaluating its effect on the synergistic reduction of agricultural pollution and carbon emission holds significant theoretical and practical significance. [Methods] This study treated the establishment of major grain-producing areas as a quasi-natural experiment. Using panel data from 31 Chinese provinces from 1997 to 2022, a difference-in-differences (DID) method was employed to empirically examine the policy’s effect on the synergistic reduction of agricultural pollution and carbon emission. [Results] (1) The policy of major grain-producing areas significantly promoted the synergistic reduction of agricultural pollution and carbon emission, with a series of robustness tests and instrumental variable estimations confirming the robustness of results. However, the policy effects exhibit heterogeneity across regions with different quantiles of agricultural pollution reduction and carbon mitigation synergy, varying degrees of rural population aging, and levels of agricultural labor transfer. (2) From the perspective of mechanisms, promoting large-scale agricultural operations, advancing agricultural technology, and adjusting the crop structure were effective pathways through which the policy of major grain-producing areas facilitated the synergistic reduction of pollution and carbon emission in agriculture. (3) Environmental regulation and fiscal support for agriculture played positive moderating roles in the process of promoting the synergistic reduction of agricultural pollution and carbon emissions by the policy of major grain-producing areas. (4) The policy of major grain-producing areas also generated additional socioeconomic benefits in the process of promoting the synergistic reduction of agricultural pollution and carbon emission, including ensuring food security, promoting agricultural economic growth, and improving employment levels in the agricultural sector. [Conclusion] The policy of major grain-producing areas can effectively promote the synergistic reduction of agricultural pollution and carbon emission. Therefore, it is recommended to further leverage the policy’s advantages, actively explore synergistic pathways and long-term mechanisms, and promote the synergistic reduction of agricultural pollution and carbon emission tailored to regional characteristics.
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spelling doaj-art-babeb26978154e88a4727f699f385a3d2025-08-20T03:29:23ZzhoScience Press, PR ChinaZiyuan Kexue1007-75882025-06-014761358137310.18402/resci.2025.06.14Effect of policies in major grain-producing areas on synergistic reduction of agricultural pollution and carbon emissionZHANG Degang, TANG Yushu0College of Economics and Management, Chongqing Normal University, Chongqing 401331, China[Objective] As a key initiative of China’s national food security strategy, the policy of major grain-producing areas serves as an important tool for coordinating stable and increased grain production with green agricultural development. Systematically evaluating its effect on the synergistic reduction of agricultural pollution and carbon emission holds significant theoretical and practical significance. [Methods] This study treated the establishment of major grain-producing areas as a quasi-natural experiment. Using panel data from 31 Chinese provinces from 1997 to 2022, a difference-in-differences (DID) method was employed to empirically examine the policy’s effect on the synergistic reduction of agricultural pollution and carbon emission. [Results] (1) The policy of major grain-producing areas significantly promoted the synergistic reduction of agricultural pollution and carbon emission, with a series of robustness tests and instrumental variable estimations confirming the robustness of results. However, the policy effects exhibit heterogeneity across regions with different quantiles of agricultural pollution reduction and carbon mitigation synergy, varying degrees of rural population aging, and levels of agricultural labor transfer. (2) From the perspective of mechanisms, promoting large-scale agricultural operations, advancing agricultural technology, and adjusting the crop structure were effective pathways through which the policy of major grain-producing areas facilitated the synergistic reduction of pollution and carbon emission in agriculture. (3) Environmental regulation and fiscal support for agriculture played positive moderating roles in the process of promoting the synergistic reduction of agricultural pollution and carbon emissions by the policy of major grain-producing areas. (4) The policy of major grain-producing areas also generated additional socioeconomic benefits in the process of promoting the synergistic reduction of agricultural pollution and carbon emission, including ensuring food security, promoting agricultural economic growth, and improving employment levels in the agricultural sector. [Conclusion] The policy of major grain-producing areas can effectively promote the synergistic reduction of agricultural pollution and carbon emission. Therefore, it is recommended to further leverage the policy’s advantages, actively explore synergistic pathways and long-term mechanisms, and promote the synergistic reduction of agricultural pollution and carbon emission tailored to regional characteristics.https://www.resci.cn/fileup/1007-7588/PDF/1751588789533-1689600605.pdfmajor grain-producing areas|agriculture|reduction of pollution and carbon emission|food security|difference-in-differences|china
spellingShingle ZHANG Degang, TANG Yushu
Effect of policies in major grain-producing areas on synergistic reduction of agricultural pollution and carbon emission
Ziyuan Kexue
major grain-producing areas|agriculture|reduction of pollution and carbon emission|food security|difference-in-differences|china
title Effect of policies in major grain-producing areas on synergistic reduction of agricultural pollution and carbon emission
title_full Effect of policies in major grain-producing areas on synergistic reduction of agricultural pollution and carbon emission
title_fullStr Effect of policies in major grain-producing areas on synergistic reduction of agricultural pollution and carbon emission
title_full_unstemmed Effect of policies in major grain-producing areas on synergistic reduction of agricultural pollution and carbon emission
title_short Effect of policies in major grain-producing areas on synergistic reduction of agricultural pollution and carbon emission
title_sort effect of policies in major grain producing areas on synergistic reduction of agricultural pollution and carbon emission
topic major grain-producing areas|agriculture|reduction of pollution and carbon emission|food security|difference-in-differences|china
url https://www.resci.cn/fileup/1007-7588/PDF/1751588789533-1689600605.pdf
work_keys_str_mv AT zhangdegangtangyushu effectofpoliciesinmajorgrainproducingareasonsynergisticreductionofagriculturalpollutionandcarbonemission