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| 益阳市农业产业园区土壤硒元素分布及影响因素探讨 |
| Research on Selenium Distribution in Soil and Factors Influencing Such Distribution in Yiyang Agricultural Industrial Park |
| 投稿时间：2024-01-03 修订日期：2024-02-04 |
| DOI： |
| 中文关键词: 硒元素 有效硒 影响因素 益阳市 |
| 英文关键词: selenium, effective selenium, influencing factors, Yiyang |
| 基金项目: |
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| 中文摘要: |
| 益阳市属于富硒土壤地区，为促进全市传统农业产业的提升发展，合理开发利用优质土地资源，科学区划特定农业产业园区作物种植，打造富硒农产品品牌，本文选择市内18个农业产业园区，开展1:2000富硒土壤详细调查，对表层土壤1916件样品进行了硒元素及有效硒实验分析，结果表明：18个工作区内表层土壤硒元素平均值为0.54mg/kg，中位值为0.44mg/kg，变异系数为169.51%，表明区内土壤硒元素分布较不均匀，不同地质背景对土壤硒元素含量具有显著性影响，成土母岩中以第四系、寒武系土壤硒元素含量较高。 |
| 英文摘要: |
| In order to promote the growth and development of traditional agricultural industry in Yiyang City where abundant selenium is found in soils, rationally develop and utilize high-quality land resources, scientifically zone specific agricultural industrial parks for crop cultivation, and create a brand of selenium-rich agricultural products, 18 agricultural industrial parks in the city have been selected for a detailed investigation on 1:2000 selenium-rich soils for the purpose of this paper, and 1,916 topsoil samples have been analyzed for selenium and effective selenium. The result shows an average value of selenium of 0.54 mg/kg and a median value of 0.44 mg/kg in the topsoil of 18 working areas and a coefficient of variation of 169.51%, which concludes that selenium is unevenly distributed in soils of the area, that various geological backgrounds significantly affect the content of selenium in soils, and that the selenium content of Quaternary and Cambrian soils is higher among the soil-forming rocks. |
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