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- Title
贵州蓝莓核心产区岩石 ̄土壤 ̄植物系统稀土元素地球化学特征.
- Authors
李朝峰; 李启航; 刘岚君; 王衡; 文雪峰
- Abstract
Crop quality is closely related to site environmental geochemical conditions. lt is of great significance for crop production to explore the element geochemical characteristics of rock soil plant system in planting area. ln this paper, the geochemical characteristics of REEs in rocks, soils, blueberry plants and blueberry fruits of blueberry core producing areas in Guizhou Province were investigated by field investigation and indoor analysis. The results showed that the average values of REEs in rocks and soils are 8.561 and 112.68 mg· kg-1, respectively, which are relatively deficient. Ce and Eu in rocks are negative anomalies, while Ce is positive anomalies in soils. LREE is richer than HREEs, and the content of REEs in surface soil is higher than that in the bottom of soil profile. The distribution curves of HREEs in soils in the study area are basically consistent with those in rocks, and the distribution patterns of REEs in soils in different layers arc similar to some extent. The contents of REEs in the roots, stems, leaves and fruits of blueberry were similar with La, Ce, Nd and Y, showing the characteristics of roots >leaves> stems > fruits and the distribution curve showed a right-leaning pattern. The distribution pattern of REEs in blueberry plants is basically consistent with that in rock and soil, and the inheritance of REEs in rock-soil-plant system is obvious. By calculating the transfer coefficient between different layers, it was found that the absorption capacity of REEs in blueberry roots is weak, the migration capacity of REEs between leaves and fruits is the weakest, and the migration capacity between stems and leaves is strong.
- Publication
Journal of the Chinese Society of Rare Earths, 2021, Vol 39, Issue 4, p653
- ISSN
1000-4343
- Publication type
Article
- DOI
10.11785/S1000-4343.20210416