论文部分内容阅读
唐宋以后,中国农业经济的重心已转移到南方。明初,朱洪武建都南京,成祖朱棣于公元1421年迁都北京,导致政治中心远离经济中心,朝廷贡赋、北方戍边军队的供给都取自南方。漕运跃为当时急需解决的重大问题,“海运多险,陆堍亦艰”,运输全赖南北大运河。当时,黄河、淮河、运河交汇于清口,由于黄河的多沙,又使河漕
Since Tang and Song Dynasties, the focus of China’s agricultural economy has shifted to the south. In the early Ming Dynasty, Zhu Hongwu was capital of Nanjing, and Zuzu Zhu Di relocated to Beijing in 1421 AD, which led to the political center being far away from the economic center and the tribute of the imperial court. The supply of troops from the northern frontier was taken from the south. Water transport leap was a major issue urgently needed to be solved at that time. “There are many dangers in shipping and land is also difficult.” Transportation depends on the Grand Canal of North and South China. At that time, the Yellow River, the Huaihe River, the canal converged on the Qingkou, due to the Yellow River sand, and make the river waterway