干旱区生态环境知识资源中心(Arid): 绿洲连作棉田土壤重金属富集特征及评价

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	绿洲连作棉田土壤重金属富集特征及评价
其他题名	Evaluation on Enrichment Characteristics of Heavy Metal in the Oasis Cropping Cotton Filed
	邓红; 林海荣; 张泽; 吕新; 石宏刚
来源期刊	西北农业学报
ISSN	1004-1389
出版年	2014
卷号	23 期号:8 页码:92-98
中文摘要	对新疆绿洲区不同连作年限棉田土壤中重金属元素As、Cd、Cr、Cu、Hg、Ni、Pb、Zn富集特征进行研究,并根据地质累计指数法对污染程度进行分级。结果表明,随连作年限延长,元素As、Cd、Zn含量总体呈上升趋势,而元素Hg、Cu、Pb、Cr含量总体呈下降趋势,元素Ni的全量整体变化不大;As逐年累积达轻度-中等污染,元素Cd累积达中等-强污染,元素Hg在土壤中含量水平已达到强-极强污染程度。棉田土壤中As、Cd与全磷含量达极显著相关性,表明长年连作条件下,磷肥的施用影响重金属元素的富集程度,因此棉田的耕作制度及施肥量应作适当调整,避免加重重金属污染。
英文摘要	Enrichment features of full amount soil heavy metals As, Cd, Cr, Cu, Hg, Ni, Pb, Zn in the different cropping cotton field were studied, and the pollution degree was evaluated based on the Geo-accumulation Index. The results showed that with the extension of continuous cropping, the full amount of elements As, Cd, Zn generally presented upward trend; the full amount of elements Hg, Cu, Pb, Cr generally presented downward trend; the full amount of element Ni changed slightly;the pollution of element As gradually accumulated to mild - moderate pollution degree; Cd accumulated to moderate-strong pollution degree; Hg in the soil has reached strong and extremely strong level. The total phosphorus in the cotton soil was highly and significantly correlated with As, Cd, which indicated that under the continuous cropping condition, application of phosphorus could influence the enrichment of heavy metals. So, cotton farming systems and fertilization amount should be adjusted to a suitable level to avoid further heavy metal pollution.
中文关键词	绿洲棉田 ; 重金属 ; 磷肥 ; 富集特征 ; 评价
英文关键词	Oasis Cotton Heavy metal Phosphate fertilizer Enrichment characteristics Evaluation
语种	中文
国家	中国
收录类别	CSCD
WOS类目	AGRICULTURE MULTIDISCIPLINARY
WOS研究方向	Agriculture
CSCD记录号	CSCD:5223830
来源机构	石河子大学
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/231899
作者单位	石河子大学, 新疆生产建设兵团绿洲生态农业重点实验室, 石河子, 新疆 832003, 中国
推荐引用方式 GB/T 7714	邓红,林海荣,张泽,等. 绿洲连作棉田土壤重金属富集特征及评价[J]. 石河子大学,2014,23(8):92-98.
APA	邓红,林海荣,张泽,吕新,&石宏刚.(2014).绿洲连作棉田土壤重金属富集特征及评价.西北农业学报,23(8),92-98.
MLA	邓红,et al."绿洲连作棉田土壤重金属富集特征及评价".西北农业学报 23.8(2014):92-98.