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	Predicting As, Cd and Pb uptake by rice and vegetables using field data from China
	Zhang, Hongzhen1,2; Luo, Yongming1; Song, Jing1; Zhang, Haibo1; Xia, Jiaqi3; Zhao, Qiguo1
刊名	JOURNAL OF ENVIRONMENTAL SCIENCES-CHINA
	2011
卷号	23期号:1页码:70-78
关键词	trace elements regression model rice vegetable plant uptake factor croplands
ISSN号	1001-0742
DOI	10.1016/S1001-0742(10)60375-0
通讯作者	Luo, Yongming(ymluo@issas.ac.cn)
英文摘要	Plant uptake factor (PUF), single-variable regression of natural log-transformed concentrations in rice grain/vegetables versus natural log-transformed concentrations in soil and multiple-variable regression with soil concentrations and pH, was derived, validated and compared based on the paired crop and soil data collected from studies regarding As, Cd and Pb contaminated croplands in China. Results showed that the median value of PUF did not present deterministic prediction. But after natural logarithm transformation, the PUF followed Gaussian distribution which could be useful in risk assessment. The single-variable regression models were significant for As, Cd and Pb uptake both by rice and vegetables; however, the standard errors of all the regressions were comparatively large. Soil pH as a variable was generally significant but it only contributed positively to model fit for Cd uptake. After model comparison and selection, the upper 95% prediction limits of the multiple regression model for Cd uptake by rice was recommended to calculate screening value of Cd for paddy soil based on the limit for Cd concentration in rice grain.
收录类别	SCI
WOS关键词	CADMIUM ACCUMULATION ; SOIL PROPERTIES ; METALS ; CROPS ; WHEAT ; GRAIN ; EARTHWORMS ; MODELS ; PH
WOS研究方向	Environmental Sciences & Ecology
WOS类目	Environmental Sciences
语种	英语
出版者	SCIENCE CHINA PRESS
WOS记录号	WOS:000286571500010
内容类型	期刊论文
URI标识	http://www.corc.org.cn/handle/1471x/2558985
专题	南京土壤研究所
通讯作者	Luo, Yongming
作者单位	1.Chinese Acad Sci, Inst Soil Sci, Key Lab Soil Environm & Pollut Remediat, Nanjing 210008, Peoples R China 2.Chinese Acad Environm Planning, Minist Environm Protect, Beijing 100012, Peoples R China 3.Minist Environm Protect, Nanjing Inst Environm Sci, Nanjing 210042, Peoples R China
推荐引用方式 GB/T 7714	Zhang, Hongzhen,Luo, Yongming,Song, Jing,et al. Predicting As, Cd and Pb uptake by rice and vegetables using field data from China[J]. JOURNAL OF ENVIRONMENTAL SCIENCES-CHINA,2011,23(1):70-78.
APA	Zhang, Hongzhen,Luo, Yongming,Song, Jing,Zhang, Haibo,Xia, Jiaqi,&Zhao, Qiguo.(2011).Predicting As, Cd and Pb uptake by rice and vegetables using field data from China.JOURNAL OF ENVIRONMENTAL SCIENCES-CHINA,23(1),70-78.
MLA	Zhang, Hongzhen,et al."Predicting As, Cd and Pb uptake by rice and vegetables using field data from China".JOURNAL OF ENVIRONMENTAL SCIENCES-CHINA 23.1(2011):70-78.

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