曲靖烟区烟叶微量元素与土壤pH值关系研究

张芸萍, 郭山虎, 张锦涛, 解燕, 易克, 李强

The Relationship between Trace Elements in Tobacco Leaves and Soil pH in Qujing

Zhang Yunping, Guo Shanhu, Zhang Jintao, Xie Yan, Yi Ke, Li Qiang

表2 烟叶微量元素描述性统计特征

Table 2 Statistical characteristics of trace elements in tobacco leaves

元素 Element 均值±标准差 Mean±standard deviation 变幅 Range 变异系数 Coefficient of variation (%) 微量元素各级所占比例 The proportion of trace elements at various levels（%） 很低Very low 低Low 适中Medium 高High 很高Very high Mn (mg/kg) 145.74±102.29 13.73~853.36 11.99 0.11 9.87 68.65 19.80 1.57 B (mg/kg) 16.13±8.21 0.07~74.41 11.03 21.67 52.47 21.88 3.98 1.52 Mo (mg/kg) 0.26±0.35 0.02~8.01 4.37 0.49 87.84 9.17 2.50 - Zn (mg/kg) 56.59±31.49 5.29~460.14 55.65 0.03 1.57 46.61 30.92 20.87 Fe (mg/kg) 294.32±174.27 47.90~1575.00 59.21 0.03 2.03 5.85 25.26 66.83 Cl (%) 0.27±0.32 0.02~3.47 118.52 36.28 34.26 22.13 7.33 -