...第二次 第三次 第四次 第五次 英苏断面离河200米样枝解析面 2010-3-18 15 灌区土壤次生盐碱化 (Secondary salinization of soil ) 我国北方大力发展引用河水灌溉，曾引发大面积灌区土壤次生盐 碱化，盐碱地面积从1958年的272万公顷，扩展到1961年的 413万公...
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secondary salinization of grassland soil 草地土壤次生盐渍化
Soil Secondary Salinization is one of the major factors which are seriously affecting plant growth and development in greenhouse.
次生盐渍化是造成保护地土壤障碍的主要因素之一。
Only if we can understand the rules of water and salt movement in the soil, can we control the secondary salinization, and achieve the sustainable development of this area.
最后指出人为经济活动影响的重要性，针对土壤水盐运移的规律，提出控制以及改良次生盐渍土的几条措施。
Soil secondary salinization can be considered as the main factors that influence the stability of new oasis in alluvial plain.
土壤次生盐渍化是影响冲积平原新绿洲稳定性的主要因素。
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