稀土元素在土壤环境和植物中的分布

通过模拟块地试验，初步研究了外源稀土元素在土壤环境（径流、土壤水溶液和表层土壤）和小麦中的浓度分布。试验发现，各样品中的稀土元素分布模式均与土壤的相近，土壤中稀土元素的含量和分布影响其它样品中稀土元素的含量和分布；土壤环境样品和小麦样品中的稀土元素浓度随稀土施用量的提高而有不同程度的增加，这些样品中的稀土元素的浓度与稀土的施加量存在一定的剂量关系。

Distribution of Rare Earth Elements in Soil Environment and Wheat

A plot experiment was conducted to reveal distribution of rare earth elements (REEs) in soil environment and wheat, respectively. The results showed that distribution patterns of REEs in wheat, groundwater and runoff were similar to that in soil. In addition, the concentrations and distributions of REEs in wheat, groundwater and runoff were affected by the contents of the elements studied in the tested soils. The REEs concentrations in soil environmental and wheat samples were increased as the increased amounts of REEs applied on the soils A correlation between REEs in these water and grain samples and those applied doses was observed.