【摘要】 [目的]探讨上海市临港新城滨海盐渍土壤年内的盐水动态。[方法]对上海市临港新城新围垦滩涂3个定点进行逐月调查观察和两条射线的本底调查,分析上海市滨海盐渍土壤资源现状。[结果]结果表明,土壤EC值与全盐量仍遵循"盐随水而上,随水而下"的盐水运动规律,无论是3个定点和两条射线的分析结果都表明它们有明显的相关性。土壤有机质含量受土壤发育环境、人为活动、植被等影响;土壤质地受母质影响最大。[结论]随着不同围垦时间的长短,其全盐量、有机质、EC随着季节的变化和土层的深度而变化,呈现出一定的规律性。更多还原

【Abstract】 [Objective] The research aimed to discuss annual salty-water dynamic of coastal saline soil in Lingang new city of Shanghai.[Method] Based on the surveys of 3 fixed points month by month and the background surveys of 2 radials in new beach reclamation of Lingang new city,Shanghai,current situations of coastal saline soil resources in Shanghai city were analyzed.[Result] EC value and total salt content of soil still followed salt-water movement law of "salt ascending and descending with water".The analysis of 3 fixed points and 2 radials all indicated that they had obvious relativity.Soil organic matter content was affected by soil developing environment,human activities,vegetation and so on and the soil texture was mostly affected by parent material.[Conclusion] With different reclamation time,total salinity content,organic matter and EC changed with the change of season and the depth of soil layer and showed certain regularity.更多还原