中國省域農(nóng)戶土地經(jīng)營規(guī)模與地區(qū)專業(yè)化實(shí)證分析
[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.
【作者單位】: 中國科學(xué)院地理科學(xué)與資源研究所中國科學(xué)院陸地表層格局與模擬重點(diǎn)實(shí)驗(yàn)室;中國科學(xué)院大學(xué);
【基金】:國家自然科學(xué)基金項(xiàng)目(41571096)~~
【分類號(hào)】:F321.1
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