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Crop diversification, land price spillovers, and land governance: evidence from China

文献类型： 外文期刊

作者： Liu, Yu 1 ; Wang, Shangao 2 ; Zhu, Honggen 1 ; Wang, Yue 3 ;

作者机构： 1.Nanjing Univ Finance & Econ, Nanjing, Jiangsu, Peoples R China

2.Nanjing Univ Posts & Telecommun, Nanjing, Jiangsu, Peoples R China

3.Jiangsu Acad Agr Sci JAAS, Nanjing 210014, Peoples R China

关键词： food security; non-grain production; land rent; opportunity cost; spillover effect

期刊名称：FRONTIERS IN SUSTAINABLE FOOD SYSTEMS （ 影响因子：4.7； 五年影响因子：5.4 ）

ISSN：

年卷期： 2024 年 7 卷

页码：

收录情况： SCI

摘要： Introduction Crop diversification from grain to non-grain production is often considered a threat to food security in many populous countries with limited arable land. Yet its potential spillover effect has not been fully studied. This study explores a unique plot-level dataset to particularly quantify the spillover effect of non-grain production on the land rental price of grain production from the perspective of factor opportunity cost and proposes corresponding land management strategies.Methods Data used in this study came from a field survey conducted in Jiangsu province. OLS method was employed to test the effect of non-grain production on the rent price of grain production farmland, combined with plot-level heterogeneity analysis. In addition, Quantile method was used for robustness check.Results Our main finding indicates that converting land use from grain production to non-grain production significantly increases the land rental rate of surrounding plots for grain production by 222.02 yuan/mu, accounting for 28.75% of the total land rent (772.25 yuan/mu). This spillover effect exhibits a stronger trend as the contracted land scale expands. However, the kin relationship among contract parties can weaken this effect, indicating that social ties can work as a mediator in offsetting the negative shock of the rental rate increase due to non-grain production. In order to keep the land rent under control, rural land use is actively harnessed by local governments at a guided price.Discussion Based on the empirical results, the study recommends comprehensive land use planning and a regionally regulated land transfer market in order to achieve a balance between food security and a diversified agricultural structure.

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