论文部分内容阅读
山西省汾阳县演武公社演武、韓家桥、上达村一带,解放后在党的正确领导下,兴建了若干输水及控水工程,灌溉事业有了很大的发展,对农业增产起了巨大的作用。由于在发展灌溉事业的同时,灌排系统及田间过程没有相应的跟上去,再加上灌溉管理不善,以致盐碱地面积逐年扩大,盐渍化程度加重。据1961年7月在九支渠一至六斗渠间所辖13个生产大队的调查,盐碱地占该地区总耕地面积的83.4%,因此,防止土
Yanwu County Fenyang County in Shanxi Province Yanwu, Han Bridge, on the village area, after the liberation of the party under the correct leadership, the construction of a number of water and water control projects, irrigation has made great progress in agricultural production has played a huge Role. Due to the lack of corresponding follow-up of irrigation and drainage systems and field processes along with the development of irrigation projects, coupled with poor irrigation management, the area of saline-alkali lands has been expanding year by year and the degree of salinization has been exacerbated. According to a survey conducted by 13 production units under the jurisdiction of the Jiuqu Channel 1 to 6 in July 1961, saline-alkali land accounted for 83.4% of the total cultivated land in the area. Therefore,