| 有机酸施用对印度芥菜吸收Pb,Cd的影响 |
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| 引用本文： | 李玉红,卫冬燕,孙方民,霍晓婷,王岩,宗良纲.有机酸施用对印度芥菜吸收Pb,Cd的影响[J].河南农业大学学报,2004,38(3):275-278. |
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| 作者姓名： | 李玉红 卫冬燕 孙方民 霍晓婷 王岩 宗良纲 |
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| 作者单位： | 郑州大学化工学院,河南,郑州,450002;郑州师范高等专科学校,河南,郑州,450044;河南农业大学农学院,河南,郑州,450002;南京农业大学资源环境学院,南京,210095 |
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| 基金项目： | 中国科学院沈阳应用生态研究所陆地生态过程开放实验室资助项目(2000-05) |
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| 摘 要： | 采用盆栽试验研究了EDTA、柠檬酸、草酸和苹果酸对土壤中Pb，Cd的活化和印度芥菜吸收Ph，cd的影响．结果表明，向土壤中施加EDTA不但促进了对Ph的活化而且显著提高了印度芥菜对Ph的吸收，芥菜地上部分的Ph含量是对照的7倍：而柠檬酸、草酸和苹果酸则抑制了Ph的活化，但对印度芥菜地上部分的Ph含量影响不大．有机酸对Cd的影响相对较弱，除草酸显著降低了交换态Cd的含量外，其他有机酸对Cd的活化和印度芥菜吸收Cd的影响与对照均没有明显差异．
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| 关 键 词： | Pb Cd 有机酸 印度芥菜 |
| 文章编号： | 1000-2340(2004)03-0275-04 |
Effect of organic acids application on Pb and Cd uptake by Indian mustard |
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| LI Yu-hong,WEI Dong-yan,SUN Fang-min,HUO Xiao-ting,WANG Yan,ZONG Liang-gang.Effect of organic acids application on Pb and Cd uptake by Indian mustard[J].Journal of Henan Agricultural University,2004,38(3):275-278. |
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| Authors: | LI Yu-hong WEI Dong-yan SUN Fang-min HUO Xiao-ting WANG Yan ZONG Liang-gang |
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| Institution: | LI Yu-hong~1,WEI Dong-yan~1,SUN Fang-min~2,HUO Xiao-ting~3,WANG Yan~1,ZONG Liang-gang~4 |
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| Abstract: | The pot experiment was carried out to study the effect of different organic acids (EDTA, citric acid, oxalic acid and malic acid) on mobilization of Pb and Cd in soil and its uptake by Indian mustard. The results indicated that application of EDTA to the soil significantly enhanced mobilization of Pb in soil and increased Pb uptake in shoot of Indian mustard. Pb content in shoot of Indian mustard is 6 times higher compared with the control. However , citric acid,oxalic acid and malic acid inhibited mobilization of Pb and less significantly affected shoot Pb accumulation.For Cd,only oxalic acid treatment significantly decreased exchangeable-Cd content in soil.Other organic acids treatment had little effect on exchangeable-Cd and shoot Cd content compared with the control. |
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| Keywords: | Pb Cd organic acids Indian mustard |
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