Abstract: The evaluation index system of agricultural sustainable development capacity in the Yangtze River Basin was constructed, and the weight of each index was determined by the entropy weight method. On this basis, TOPSIS method was used to evaluate, and Dagum Gini coefficient was used to calculate the spatial difference. The results showed that the sustainable agricultural development ability of Zhejiang Province, Jiangsu Province and Hunan Province were better, which was in the first level. The sustainable agricultural development ability of Shanghai City, Hubei Province and Anhui Province were medium, ranking in the second level. However, the sustainable agricultural development ability of Sichuan Province, Yunnan Province, Jiangxi Province, Guizhou Province and Chongqing City were at a poor level. According to the results of Dagum Gini coefficient, the sustainable agricultural development capacity of the upper, middle and lower reaches of the Yangtze River Basin was relatively balanced, and the regional differences were mainly caused by the gap between the upper, middle and lower reaches. Therefore, suggestions such as increasing agricultural input and improving agricultural production conditions were put forward to improve agricultural production efficiency, promote agricultural sustainable development and balance regional differences.

Key words: Yangtze River Basin, agricultural sustainable development capacity, entropy weight TOPSIS, Dagum Gini coefficient