青海东部富Se土壤及Se赋存形态特征

The Feature of Selenium-rich Soil and Its Combined form in Eastern Qinghai

1.
Fifth Institute of Geological and Mineral Exploration of Qinghai Provincial Bureau of Geology and Mineral Resources, Xining 810028, China
2.
Qinghai Institute of Geological Survey, Xining 810012, China

摘要: 青海东部富Se土壤面积较大,其主要来源为古近—新近系西宁群红层物质,由湖盆退缩阶段稳定沉积形成,物质来源丰富且稳定。土壤中有效态Se含量水平较高,土壤总体上呈明显的碱性,有利于作物吸收利用。富Se土壤中有效态Se与全Se含量具有良好的相关性,并呈线性关系,有利于富Se产业的开发。
- 富Se土壤 /
- 有效Se /
- 全Se /
- 赋存形态 /
- 青海东部
Abstract: There is a larger area of selenium-rich soil in eastern Qinghai,and it mainly origined from red layer material of Paleogene-Neogene Xining Group.During the lake basin retreated,the material steadily deposited and formed the soil characterized by abundant and stable material source.The soil held high level of available selenium content and generally showed distinct alkalescence,which is propitious to absorption and utilization for crops.In soil,the contents of available selenium and total selenium have good relativity and showed linear relationship,making for the development of selenium industry.
- selenium-rich soil /
- available selenium /
- total selenium /
- combined form /
- eastern Qinghai

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