中国省域农户土地经营规模与地区专业化实证分析

发布时间：2018-08-22 10:56

【摘要】：中国农地利用的地区专业化水平明显落后于西方发达国家,对其农产品国际竞争力产生了重要影响。农户土地经营规模不足被认为是造成这一现象的主要原因。但是这种观念主要来自于定性分析和经验总结,缺乏针对两者关系的实证检验。本文采用赫芬达尔专业化指数,利用农作物种植面积数据和农户土地经营规模数据,在省域尺度上检验农户土地经营规模与地区专业化的关系。结果显示,扩大农户土地经营规模既不是地区专业化的充分条件也不是必要条件。空间维度上,规模越大的地区,其专业化水平并非越高,各年份两变量的秩相关系数均很小;时间维度上,随着规模的上升(或下降),其专业化水平不一定随之上升(或下降),29个省域样本中仅有12个省区两变量的时间序列呈显著正相关。农户土地经营规模仅对部分地区的专业化水平有一定影响且与区域优势作物类型有关。结果表明,仅依靠扩大农户土地经营规模,并不能有效提高地区专业化水平,要提高中国农地利用专业化水平必须寻找其他有效途径。
[Abstract]:The regional specialization level of agricultural land utilization in China lags behind that of western developed countries, which has an important influence on the international competitiveness of agricultural products. Farmer land management scale is considered to be the main cause of this phenomenon. However, this concept mainly comes from qualitative analysis and experience summary, and lacks the empirical test on the relationship between the two. In this paper, the Hefendal specialization index is used to test the relationship between farmers' land management scale and regional specialization on the provincial scale by using crop planting area data and farmer land management scale data. The results show that expanding the scale of farmers' land management is neither a sufficient condition nor a necessary condition for regional specialization. In the spatial dimension, the greater the scale, the higher the specialization level, and the smaller the rank correlation coefficient of the two variables in each year; in the time dimension, With the increase (or decrease) of the scale, the specialization level does not necessarily rise (or decrease), and only 12 of the 29 provincial samples have a significant positive correlation with the time series of the two variables. The scale of farmers' land management has a certain influence on the specialization level in some areas and is related to the regional dominant crop types. The results show that it is not possible to improve the level of regional specialization only by expanding the scale of rural land management, and other effective ways must be found to improve the level of specialization of agricultural land use in China.
【作者单位】：中国科学院地理科学与资源研究所中国科学院陆地表层格局与模拟重点实验室;中国科学院大学;
【基金】：国家自然科学基金项目(41571096)~~
【分类号】：F321.1

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