The soil reclamation has different effect upon soil unit weight and water 土壤开垦对土壤容重和水分状况也有不同程度的扰动作用。
2.
To recognize features of transport of soil water and salt is an important research content for soil physics and irrigation of farmland and a key problem to soil reclamation 摘要土壤水热盐运移规律的研究是目前土壤物理学、农田灌溉学研究的一个重要方面，也是防治盐碱化、改良盐渍土的核心问题。
