耕地细碎化对农户耕地撂荒的影响及其治理优化

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维普

中文摘要：耕地细碎化理论上会加剧农户耕地撂荒问题,进而威胁到农业可持续发展和国家粮食安全,然而国内鲜有学者利用全国大样本面板数据验证耕地细碎化与农户耕地撂荒的关系.本文基于2017和2019年中国家庭大数据库全国29省14454个农户调查样本,利用面板多维固定效应模型、中介效应模型和调节效应模型实证考察了耕地细碎化对农户耕地撂荒的影响效应、作用机制和异质性.结果显示:①耕地细碎化加剧了农户耕地撂荒,每增加一块地块,农户耕地撂荒率就增加0.2％左右.②耕地细碎化使得农业生产成本增加约6％,这间接导致了农户耕地撂荒.而且,非农就业进一步强化了耕地细碎化对农户耕地撂荒的负面效应.有非农就业家庭的耕地撂荒率比没有非农就业家庭的要高0.2个百分点.③耕地细碎化对农户耕地撂荒的影响存在家户异质性,它的负面效应在经历过农地调整和没有经历过农地转出的家庭中更为明显.④耕地细碎化对农户耕地撂荒的影响也存在区域异质性,它的负面效应自东向西逐步增强,但东北地区不受影响.因此,为遏制农户耕地撂荒,未来有必要采取建设高标准农田、降低农业生产成本、发展农业社会化服务、禁止大范围农地调整和鼓励农地流转等措施,因地制宜推动耕地细碎化问题的有效治理.

外文标题：Impacts of land fragmentation on farmers'farmland abandonment and its governance optimization

外文摘要：In theory,land fragmentation exacerbates the issue of farmers'abandonment of farmland,and poses a threat to sustainable agricultural development and national food security.However,there is limited research that utilizes large-scale panel data to verify the relationship between land fragmentation and farmers'abandonment of farmland at a national level.The main purpose of this study is to empirically investigate the impact,mechanisms,and heterogeneous effects of land fragmentation on farmland abandonment using survey data from 14454 farmer households across 29 provincial-level regions in rural China from 2017 to 2019,obtained from the Chinese Family Database.The present study employs various models,including a panel multi-dimensional fixed-effects model,a mediating effect model,and a moderating effect model.The empirical results indicate the following:(1)Land fragmentation has an adverse effect on farmers'abandonment of farmland.Each additional plot of land gives rise to an approximately 0.2％increase in the abandonment rate.(2)Land fragmentation leads to an increase in agricultural production costs by approximately 6％,indirectly contributing to farmers'abandonment of farmland.In addition,the off-farm employment of farmers'households reinforces the negative impact of land fragmentation on farmers'abandonment of farmland.Family members engaged in off-farm employment exhibit a 0.2％higher abandonment rate compared to those without such employment.(3)The adverse effects of land fragmentation on farmers'abandonment of farmland vary across different household characteristics.The impact is more significant in farmer households that have experienced land adjustment or have not transferred land.(4)Regional disparities are observed,with a progressively negative effect from the eastern to western regions of China.However,no significant effect is detected in the northeast region.In order to address the issue of farmers'abandonment of farmland,it is crucial to implement effective measures tailored to local conditions.Such measures may include the construction of high-standard farmland,the reduction of agricultural production costs,the development of agricultural social services,the prohibition of land adjustment,and the promotion of land transfer.Implementing these measures effectively and taking into account regional variations will play a vital role in managing land fragmentation and curbing farmers'abandonment of farmland.

外文关键词：

land fragmentationpanel multi-dimensional fixed-effects modelfarmland abandonmentland adjustmentland transfer

作者：

郑淋议、陈紫微

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作者单位：

浙江大学中国农村发展研究院、公共管理学院,杭州 310058

延安大学乡村发展研究院,延安 716000

浙大城市学院国土空间规划学院,杭州 310015

关键词：

耕地细碎化面板多维固定效应模型耕地撂荒农地调整农地流转

基金：

教育部人文社会科学研究青年基金浙江省哲学社会科学规划领军人才培育课题浙江省乡村振兴咨询委员会软科学青年重点课题延安大学乡村发展研究院2023年度产学研合作项目

项目编号：

23YJC79020324YJRC01ZD-1YBRKT202331RDI2023002

出版年：

2024

DOI：

10.11821/dlyj020230371

地理研究

中国科学院地理科学与资源研究所

地理研究

CSTPCDCSSCICHSSCD北大核心

影响因子：2.214

ISSN：1000-0585

年,卷(期)：2024.43(1)

参考文献量38