东营市河口区盐渍土的改良治理方法及效果分析

Improvement and Managing Method and Effect Analysis of Saline Soil in Hekou Area of Dongying City

摘要:

土壤盐渍化是黄河三角洲地区可持续发展面临的主要环境问题之一。通过对盐渍土组成成分、形成原因以及自然状况与土壤盐渍化的关系等的分析,提出排、灌、平、肥的综合治理方法。根据本区的实践经验和参照当前新技术发展的前缘,具体介绍了“上农下渔”的方法和东营市河口区的暗管排碱等技术来改良土壤,并对这几种改良措施进行了比较分析,认为暗管排碱方法具有改良面积广、更彻底、可利用时间长的优点,可以大力推广。

Abstract:

Soil salinization is a major environment problem for continuous development in Yellow River delta area. Through analysis on composition, origin of saline soil and relationship between natural condition and soil salinization, comprehensive managing methods as draining, irrigation, levelling and fertilizing are put forward in this paper. According to practice experience in this area and referring to present new technology, the method of “top agriculture bottom fishing”and “using hidden pipe to drain the alkal..