{"title":"砷在茶园土壤和茶叶之间迁移规律的研究——以中国昌宁县 为例","authors":"曾 沛艺, 唐 嫚, 和 淑娟, 杨 牧青","doi":"10.26789/jnhb.v7i7.1488","DOIUrl":"https://doi.org/10.26789/jnhb.v7i7.1488","url":null,"abstract":"为探究砷在茶园土壤和茶叶之间迁移规律,对土壤与茶叶之间的总砷、有效态砷迁移进行研究。结果表明:在pH≤4.5的酸性土壤环境下,茶园土壤中砷含量与富集系数的相关系数最高,相关性呈现负显著,其相关系数大小依次是:(pH≤4.5)>(4.5<pH≤5.0)>(pH>5.0),随着pH值的升高,茶园土壤中砷含量与富集系数的相关系数越低,相关性越不显著;在黏质土的土壤质地下,茶园土壤中总砷含量与富集系数的相关系数最高,相关性为负显著,其相关系数大小依次是:黏质土>砂质土>壤土,三种土壤质地其相关性均为负显著。研究表明:茶园不同程度酸性土壤、不同土壤质地环境下,土壤中砷含量与富集系数及土壤中砷有效态含量与转移系数的相关性研究受pH值影响,随着pH值的降低,其相关系数呈现显著状态,砷越容易被茶叶吸收;在砂质土和壤土的土壤质地下,土壤中砷含量与富集系数及土壤中砷有效态含量与转移系数的相关性也呈现负显著,表明茶园土壤中砷在该两种土壤质地下迁移性比黏质土强。","PeriodicalId":57941,"journal":{"name":"橡塑智造与节能环保","volume":"27 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-07-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84183632","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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