Soil is material base of agricultural ecological system and main studied object of agriculturalgeology.
土壤是农业生态系统中的物质基础，是农业地质研究的主要对象。
2
If best analysing condition of each element is deter mined, As, Sb, Bi, Hg and Se in agriculturalgeology samples can be determined continuously in sulpho acid medium.
确定了各元素的最佳分析条件，可在王水介质中连续测定农业地质调查样品中的砷、锑、铋、汞、硒。
3
Finally, the sources of heavy metals were discussed by associating pollution status, geology and industrial and agricultural situation of the Taiyuan Basin.