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据有关资料介绍,近一时期巴盟河套灌区的盐碱地,每年以16—18万亩的速度发展,这一严酷的现实,必须引起严重关注。下面仅就个人的工作实践,对治理河套盐碱地问题提出一些粗浅看法,供参考。一、巴盟河套灌区土壤次生盐渍化的主要成因河套灌区土壤次生盐渍化形成原因是多方面的:如土壤、灌溉水中含有大量可溶性有害盐分;自然坡降小,径流不畅,地下水
According to relevant information, in the recent period, the saline-alkali land in the Hetu Irrigation Area of Bameng has been growing at a rate of 16-18 mu per year. This harsh reality must be seriously concerned. The following is a personal work on the issue of governance Saline alkali problems put forward some superficial views for reference. I. Main Causes of Secondary Soil Salinization in Hetao Irrigation Area of Bameng The secondary causes of soil salinization in Hetao Irrigation Area are many factors such as soil and irrigation water which contains a large amount of soluble and harmful salt, small natural slope, poor runoff, groundwater