冲积型土壤重金属含量与质地和pH的关系及其预测
RELATIONSHIP AMONG HEAVY METAL CONTENTS SOIL TEKTURE AND pH IN ALLUVIAL SOILS AND ITS PREDICTION
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摘要: 运用多元统计分析对矿物成分比较单一的湖南省洞庭湖区土壤重金属含量的变化规律作了进一步探讨,寻求一合理的回归模式预测各重金属元素在土壤中的自然含量。Abstract: The distribution law heavy metal elements in soils of Dongting Lake in Hunan Province, under similar mineral composition, were further discussed in this paper by means of various multivarite statistical analyses.Suitable regression models were set up for predicting the geochemical values of heavy metals in alluvial soils.