论文部分内容阅读
前言我国是世界上利用地下水灌溉最早、面积最大的国家之一。我国北方地区的广大农民在与旱、涝、碱长期作斗争的过程中创造了许多竖井排灌方式,积累了不少经验。特别是1960年以后,山西、河北、内蒙、河南、安徽、山东、新疆、青海、陕西等省区都先后进行了竖井排灌方向的试验研究及推广,生产上收到明显的效果,对旱涝碱的治理起了很大的作用。
Foreword China is one of the earliest and largest areas in the world to use groundwater for irrigation. Many peasants in the northern part of our country have created many ways of shaft drainage and irrigation during their long struggle against drought, waterlogging and alkali and have accumulated a great deal of experience. Especially after 1960, the provinces and autonomous regions in Shanxi, Hebei, Inner Mongolia, Henan, Anhui, Shandong, Xinjiang, Qinghai and Shaanxi successively carried out experimental research and popularization on the direction of shaft drainage and irrigation, and received obvious effects on the production of droughts and floods Alkali treatment played a big role.