Environmental geochemical problems of typical traditional Chinese medicinal material producing areas in Zhejiang and an analysis of the countermeasures
SONG Ming-Yi, YIN Han-Qin, HUANG Chun-Lei, ZHENG Wen, ZHOU Zong-Rao
Geological Survey Institute of Zhejiang Province, Hangzhou 311203, China
Abstract：In view of the situation that heavy metal content of "five kinds of traditional Chinese medicinal materials in Pan'an" exceeds the standard, the authors carried out systematic "rock-soil-medicinal material" research and, based on agro-geological environmental survey, investigated geographical environment of Pan'an. The results show that rocks have experienced strong eluviation in the weathering and soil-forming process, which results in the loss of Ca and Mg and enrichment of Cd and Cu. Soil acidification is obvious, and soil pH values tend to decrease from soil parent layer, leached layer to plough layer. The excessive Cu and Cd in the traditional Chinese medicinal material results from relative accumulation of Cu and Cd in the surface soil and the increased soil acidity.
宋明义, 殷汉琴, 黄春雷, 郑文, 周宗尧. 浙江典型中药材产地环境地球化学问题与对策分析[J]. 物探与化探, 2014, 38(4): 804-810.
SONG Ming-Yi, YIN Han-Qin, HUANG Chun-Lei, ZHENG Wen, ZHOU Zong-Rao. Environmental geochemical problems of typical traditional Chinese medicinal material producing areas in Zhejiang and an analysis of the countermeasures. Geophysical and Geochemical Exploration, 2014, 38(4): 804-810.
