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| Statistical Analysis of Factors Affecting Cd Bioaccumulation in Soil-Rice Grain System |
| Received:May 19, 2015 |
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| KeyWord:soil property;Cd;rice;soil pattern |
| Author Name | Affiliation | E-mail | | ZHENG Hong-yan | Agro-Environmental Protection Institute, Ministry of Agriculture, Tianjin 300191, China | | | LIU Shu-tian | Agro-Environmental Protection Institute, Ministry of Agriculture, Tianjin 300191, China | | | MI Chang-hong | Agro-Environmental Protection Institute, Ministry of Agriculture, Tianjin 300191, China | | | HUANG Zhi-ping | Agro-Environmental Protection Institute, Ministry of Agriculture, Tianjin 300191, China | | | HOU Yan-lin | Agro-Environmental Protection Institute, Ministry of Agriculture, Tianjin 300191, China | bjyours@sina.com | | WANG Nong | Agro-Environmental Protection Institute, Ministry of Agriculture, Tianjin 300191, China | | | CAI Yan-ming | Agro-Environmental Protection Institute, Ministry of Agriculture, Tianjin 300191, China | |
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| Abstract: |
| In this study, the effects of soil property(including soil pH, organic matter(SOM), cation exchange capacity(CEC), and soil texture) and rice type(including japonica and indica rice) on Cd bioaccumulation in soil-rice grain system were investigated using the published data from 51 experiments. The content of Cd in rice grain had significantly positive correlation with that in soil, and decreased with increasing soil pH. Soil organic matter and CEC had no significant effects on the content of Cd in rice grain, which was different from the previous conclusion that rice grain Cd had significantly negative correlation with SOM and CEC. The content of Cd in rice grain was in order of loam |
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