Spatial dependence and bioavailability of metal fractions in paddy fields on metal concentrations in rice grain at a regional scale |
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| Authors: | Keli Zhao Xingmei Liu Weiwen Zhang Jianming Xu Fan Wang |
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| Institution: | (1) Institute of Soil and Water Resources and Environmental Science, Zhejiang University, Hangzhou, 310058, People’s Republic of China;(2) Zhejiang Agriculture and Forestry University, Hangzhou, 311300, People’s Republic of China;(3) Department of Land Management, Zhejiang University, Hangzhou, 310029, People’s Republic of China;(4) College of Life & Environmental Sciences, Hangzhou Normal University, Hangzhou, 310036, People’s Republic of China; |
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| Abstract: | Purpose Although the bioavailability of heavy metals has been widely investigated, little information is available on the spatial
correlations of heavy metals in soil–rice systems at a regional scale. A study of heavy metals in soil–rice systems at a present
rice production area could provide valuable information on the safety of rice production and provide guidelines beneficial
to agriculture management and strategic sustainable agriculture in China and other rapidly developing regions in the world.
The overall goals of this study were to identify the characteristics of metal fractions and their bioavailability to rice
plants in the paddy fields of a present rice production region. |
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