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| 中国高标准农田建设政策对口粮自给率的影响 |
| Influences of China's high-standard farmland construction policies on rations' self-sufficiency rate |
| 投稿时间：2024-11-20 |
| DOI：10.13254/j.jare.2024.0813 |
| 中文关键词: 高标准农田建设，口粮自给率，土地流转，农业机械化，连续型双重差分 |
| 英文关键词: high-standard farmland construction, rations' self-sufficiency rate, land circulation, agricultural mechanization, continuous dual differential |
| 基金项目:国家社会科学基金项目（15XJY014）；兵团英才支持计划骨干人才项目（〔2023〕3号）；塔里木大学研究生科研创新项目（TDGRI2024103） |
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| 中文摘要: |
| 为探究高标准农田建设政策对口粮自给率的影响，本研究利用 2003—2022年间 26个省份的均衡面板数据，通过构建连续型双重差分模型，深入剖析高标准农田建设政策对口粮自给率产生的具体影响，并进一步探讨其潜在的作用机制。结果表明：高标准农田建设政策对于提升口粮自给率具有显著的正面效应，同时，该结论通过了稳健性检验。异质性分析表明，政策实施效果在粮食主产区更明显，在东、中、西部的效果依次下降。作用机制检验表明，高标准农田建设政策通过促进土地流转、农业机械化来提升口粮自给率。研究表明，高标准农田建设政策能促进口粮自给率的提高，这种促进作用存在滞后性和持续性，同时与粮食生产功能区定位及地理区位息息相关。研究建议贯彻执行新一轮高标准农田建设，对于不同地区因地制宜进行改造；重视土地流转及宜机化改造，强化高标准农田建后管护工作，确保口粮绝对安全，强化粮食安全保障。 |
| 英文摘要: |
| This study used balanced panel data from 26 provinces from 2003 to 2022 to discuss the impact of the self -sufficiency rate of high -standard farmland construction policies. By constructing a continuous dual differential model, this study analyzed the specific impact of high-standard farmland construction policies on self-sufficiency in staple food and further explores the underlying mechanisms. The results showed that high-standard farmland construction policies had a significant positive effect on increasing self-sufficiency in staple food, and this conclusion had passed robustness tests. Heterogeneity analysis showed that the policy implementation effect was more obvious in grain-producing areas, and the effect in eastern China, central China, and western China regions declined in order. Mechanism verification showed that high-standard farmland construction policies promoted self-sufficiency in staple food by promoting land circulation and agricultural mechanization. Researches showed that high-standard farmland construction policies could promote selfsufficiency in staple food, this promotion had a lag and persistence, meanwhile, it was closely related to the positioning of grain production functional zones and geographical location. It is suggested that the new round of high-standard farmland construction should be implemented in accordance with the highest standards, with due consideration given to the specific conditions of different regions. Emphasis should be placed on land transfer and mechanization upgrades, with efforts made to strengthen post-construction management of high-standard farmland to ensure absolute food security and enhance food security guarantees. |
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