The compositions of S, F, Hg in soil near gangue pile in Laiwu coal field are higher than contrast point, but lower than background value of soil composition in Shandong Province.
莱芜煤田矸石堆附近土壤中的硫、氟、汞等成份比对照点偏高，但低于山东省土壤成份背景值。
The main result of study is as follows: (1) Citrus orchard soil greyish brown purple mud constant element background value in Jiangjin.
主要研究结果如下：(1)江津市柑橘果园土壤灰棕紫泥常量元素背景值。
The background value of cobalt in soil of Yunnan province was sampled and analyzed, the results show that the cobalt content in soil is log-normal distribution, the median is 16.
对云南省土壤钴元素背景值进行了采样分析，结果显示：云南土壤钴元素含量呈对数正态分布，中位值16。
The main results are as follows:1. As LAI increasing, the effect of soil background decrease, and the value of correlation coefficient between remote sensing indicators and LAI increase.
经研究分析，得到以下主要结论：1。随着LAI的增大，土壤背景影响减少，遥感指标与LAI的相关系数提高。
The main results are as follows:1. As LAI increasing, the effect of soil background decrease, and the value of correlation coefficient between remote sensing indicators and LAI increase.
经研究分析，得到以下主要结论：1。随着LAI的增大，土壤背景影响减少，遥感指标与LAI的相关系数提高。
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