摘要
通过采集福泉市4085件耕地土壤样品和15条土壤剖面样品,测定土壤中硒锗和其他指标含量,对硒锗含量特征以及影响因素进行分析研究。结果表明:福泉市耕地土壤中硒背景值高于贵州省耕地土壤背景值和全国土壤背景值,锗背景值低于贵州省耕地土壤背景值但略高于全国土壤背景值;硒锗高异常呈条带状,整体走向近似南北向展布;垂向上硒锗含量总体上是随土壤深度增加而减少的趋势;土壤中硒锗主要受成土母岩影响,同时还受土壤理化指标pH值、有机质、铁、铝氧化物等因素的影响。研究成果可为福泉市富硒和富锗农业发展提供参考依据。
By collecting 4085 soil samples from cultivated land and 15 soil profile samples in Fuquan city,the content of selenium,germanium,and other indicators in the soil was measured,and the characteristics and influencing factors of selenium and germanium content were analyzed and studied.The results indicate that the selenium background value in cultivated land in Fuquan city is higher than that in Guizhou province and the national soil background value,while germanium background value is lower than that in Guizhou province but slightly higher than the national soil background value.The high anomaly of selenium and germanium appears as a strip,with an overall trend similar to a north-south distribution.The vertical selenium and germanium content generally shows a decreasing trend with increasing soil depth.Selenium and germanium in soil are mainly influenced by soil parent rocks,as well as soil physicochemical indicators such as pH value,organic matter,iron,and aluminum oxides.This achievement can provide a reference basis for the development of selenium and germanium rich agriculture in Fuquan city.
作者
李大吉
杜白
李汝红
高建才
严易会
刘兴金
LI Daji;DU Bai;LI Ruhong;GAO Jiancai;YAN Yihui;LIU Xingjin(Geophysical and Geochemical Party,Non-Ferrous Metals and Nuclear Industry Geological Exploration Bureau of Guizhou,Duyun,Guizhou 558000;Central Laboratory of Yunnan Geology and Mineral Exploration Development Bureau(Kunming Mineral Resources Testing Center of the Ministry of Natural Resources),Kunming,Yunnan 650217)
出处
《中国煤炭地质》
2024年第5期56-62,共7页
Coal Geology of China
基金
贵州省福泉市耕地质量地球化学调查评价项目(2017-03-29)。
关键词
背景值
影响因素
土壤理化指标
background value
influence factor
soil physical and chemical indicators
