河套灌区盐渍化人工草地土壤盐分及养分动态变化规律探讨

Probing into the Dynamically Changing Laws that Governing Soil Salt and Nutrient Contents on Grasslands in the Hetao Area of China

对盐渍化人工草地土壤盐分离子（Ｃｌ－、ＳＯ２－４、ＣＯ２－３、ＨＣＯ－３、Ｎａ＋、Ｋ＋、Ｍｇ２＋、Ｃａ２＋）及土壤有机质、全氮、全磷等营养成分在０～３０ｃｍ土层内的动态变化规律进行了连续分析测定。为进一步客观评价“生物治碱”功效提供了可靠依据。

To the salt ions (including Cl^-、SO_4^(2-)、CO_3^(2-)、HCO_3^-、Na^+、K^+、Mg^2+、Ca^2+) and Soil organic substances, total nitrogen, total phosphorus and all such nutrient contents-all those dynamically changing laws governing the soil layer from 0 to 30cm, were analyzed and determined continuously. For further objective evaluation, the effect of ‘brought under control biologically’ were then offered for our reference on the basis of reliable information.