论文部分内容阅读
初中《中国历史》第二册第41页插图——水闸,是《授时通考》“功作门”灌溉部分的插图之一。我们通过这幅插图可以具体地讲述宋金对峙时期,南方农业生产技术提高的一些情况,可使学生对“圩田”这一概念有个更清楚的了解。北方人口自东汉末年以来,不断向江南迁徙,到宋代,南迁的人口为数更冬。随着这种迁徙,南方人民为了满足耕地的需要,不断开垦土地来扩大耕种面积。与此同时,在人口密集、江湖多水的江淮地区和太湖流域,进行了与水争田的斗争。圩田就是在这样的历史条件和地理条件下产生的.范仲淹在
Illustration - Sluice, one of the illustrations of the irrigation section of “Gated Door”. Through this illustration, we can concretely tell the situation during the confrontation between Song and Kim and the improvement of agricultural production techniques in the South so that students can have a clearer understanding of the concept of “polder.” Since the end of the Eastern Han Dynasty, the population of the north has continuously moved to the south of the Yangtze River. In the Song Dynasty, the population of the south moved more to the winter. With this kind of migration, the southern people constantly cultivated land to expand their cultivated area in order to meet the needs of cultivated land. At the same time, in the densely populated rivers and lakes and Jianghuai basin and the Taihu Lake basin, the battle against water has been carried out. Polder is generated under such historical conditions and geographical conditions