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本文通过田间对比和温室根际试验，研究不同条件厂土壤-作物根际系统中离子的迁移规律。结果表明，田间条件下，休闲地（裸露土壤）的盐分主要集中于表层，而耕作土壤的盐分集中于作物根层。在矿化土灌溉过程中，CI-、SO、Na+、Ca(2+)，Mg(2+)在小麦根际富集，K+则亏缺。随着小麦生长，根际与非根际土壤溶液中离子浓度的差异越来越大。离子在作物根际的富集和亏缺与作物对离子的吸收量和速度有关。在淋洗过程中，土壤溶液中离子含量随淋洗水量的增加而降低。根际土壤溶液中离子浓度的降低率明显小于非根际。但二者的Cl-淋出量都大于SO。
In this paper, through field comparison and greenhouse rhizosphere test, we study the migration of ions in soil-crop rhizosphere system under different conditions. The results showed that under field conditions, the salinity of leisure land (exposed soil) mainly concentrated on the surface layer, while that of cultivated soil concentrated on the root layer of crop. In the process of mineralized soil irrigation, CI-, SO, Na +, Ca (2 +) and Mg (2+) are enriched in wheat rhizosphere and K + is deficient. As wheat grows, the differences in ion concentrations in rhizosphere and non-rhizosphere soil solutions are increasing. The enrichment and deficiency of ions in the rhizosphere of crops are related to the amount and speed of the ions absorbed by crops. During the leaching process, the ion content of the soil solution decreases with the increase of the amount of rinsing water. The reduction rate of ion concentration in rhizosphere soil solution was significantly less than that of non-rhizosphere soil. However, both Cl-leaching volume is greater than SO.