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| 腐植酸对小白菜吸收Cd的影响 | |
| 引用本文： | 何雨帆,刘宝庆,吴明文,白厚义,陈佩琼. 腐植酸对小白菜吸收Cd的影响[J]. 农业环境科学学报, 2006, 25(Z1): 84-86 |
| 作者姓名： | 何雨帆 刘宝庆 吴明文 白厚义 陈佩琼 |
| 作者单位： | 1. 广西壮族自治区植保总站,广西,南宁,530022 2. 南宁市环境保护科学研究所,广西,南宁,530022 3. 广西大学农学院,广西,南宁,530005 |
| 摘 要： | 采用二次回归饱和D-最优设计,以腐植酸的两组分-富里酸、胡敏酸为材料,研究其对小白菜吸收Cd的影响。结果表明:胡敏酸能抑制小白菜对Cd的吸收,从而减轻Cd对植物的危害,据此胡敏酸可作为镉污染土壤的改良剂;富里酸却能促进小白菜对Cd的吸收,如果对Cd污染土壤进行植物修复,则施用富里酸能获得较好的效果。 |
| 关 键 词： | 富里酸 胡敏酸 小白菜 |
| 文章编号： | 1672-2043(2006)增刊-0084-03 |
| 修稿时间： | 2006-02-09 |
Effect of Humus on Uptake of Cadmium in Pakchoi |
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| HE Yu-fan,LIU Bao-qing,WU Ming-wen,BAI Hou-yi,CHEN Pei-qiong. Effect of Humus on Uptake of Cadmium in Pakchoi[J]. Journal of Agro-Environment Science( J. Agro-Environ. Sci.), 2006, 25(Z1): 84-86 | |
| Authors: | HE Yu-fan LIU Bao-qing WU Ming-wen BAI Hou-yi CHEN Pei-qiong |
| Abstract: | By a quadratic regression optimum design,a pot experiment was conducted to study the effects of two fractions of humus(FA and HA) on uptake of Cd by pakchoi(Brassica chinensis) in Cd contaminated soil.The results showed that Cd contents in shoot were significantly correlated with humus fractions.The presence of HA could reduce the toxicity of Cd,and inhibit accumulation of Cd in shoots.However FA could help pakchoi to collect Cd in shoot.It may be concluded that FA can be used as an effective amendment in improving absorption of Cd by the plant to meet remediation of the contaminated soil. |
| Keywords: | Cd |
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