调查评价的土壤元素累积趋势预测——以广西南宁市西乡塘区为例
王磊, 卓小雄, 吴天生, 凌胜华, 钟晓宇, 赵晓孟

Prediction of the soil element accumulation trends based on 1∶250 000 and 1∶50 000 geochemical surveys and assessments of land quality:A case study of Xixiangtang District, Nanning City, Guangxi zhuang Autonomous Region
WANG Lei, ZHUO Xiao-Xiong, WU Tian-Sheng, LING Sheng-Hua, ZHONG Xiao-Yu, ZHAO Xiao-Meng
表3 表层土壤调查重复样合格率统计
Table 3 Qualification rate of duplicate topsoil survey samples
指标 1∶25万多目标
区域地球化学调查
1∶5万土地
质量地球化学评价
As 93.33% 97.42%
Cd 86.67% 92.90%
Cr 98.67% 100.00%
Hg 86.67% 94.84%
Pb 98.67% 98.06%
pH 100.00% 100.00%