| 降解菌X修复污染异噁草酮土壤的影响因素的优化 |
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| 引用本文： | 李晓雨,刘亚光,李影,何付丽,田丽娟,韩玉军,唐广顺.降解菌X修复污染异噁草酮土壤的影响因素的优化[J].东北农业大学学报,2011,42(11):138-144. |
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| 作者姓名： | 李晓雨 刘亚光 李影 何付丽 田丽娟 韩玉军 唐广顺 |
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| 作者单位： | 1. 东北农业大学农学院,哈尔滨,150030
2. 哈尔滨龙志农资化工有限公司,哈尔滨,150039 |
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| 基金项目： | 黑龙江省教育厅2011年度科学技术研究(面上)项目计划(12511044) |
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| 摘 要： | 研究降解菌X在不同接菌量、土壤含水量和肥料添加量条件下降解土壤中异草酮的影响,优化降解菌X的修复条件。利用生物测定方法,采用二次回归旋转组合设计,确定降解菌的生物修复条件。得到修复条件的经验模型为y=66.76+8.69C1+6.31C2+4.57C3-7.76C12-7.64C22。各因素对降解率的影响大小顺序依次为接菌量、土壤含水量、肥料添加量。当降解菌X接种量(12.16～14.45 mL.kg-1)、土壤含水量(19.47%～21.40%)和肥料添加量(2.06～2.45 g.kg-1)分别在所示范围内时,降解菌X在异草酮有效成分浓度为500μg.kg-1的风干土壤中,30 d后的降解率可达到60%以上。
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| 关 键 词： | 异草酮 降解菌X 生物修复 降解率 |
Optimization of affecting factors clomazone degradation in contaminated soil by degrading bacterium X |
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| LI Xiaoyu,LIU Yaguang,LI Ying,HE Fuli,TIAN Lijuan,HAN Yujun,TANG Guangshun.Optimization of affecting factors clomazone degradation in contaminated soil by degrading bacterium X[J].Journal of Northeast Agricultural University,2011,42(11):138-144. |
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| Authors: | LI Xiaoyu LIU Yaguang LI Ying HE Fuli TIAN Lijuan HAN Yujun TANG Guangshun |
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| Institution: | LI Xiaoyu1,LIU Yaguang1,LI Ying2,HE Fuli1,TIAN Lijuan1,HAN Yujun1,TANG Guangshun1(1.College of Agriculture,Northeast Agricultural University,Harbin 150030,China,2.Long-Zhi Agricultural Corporation of Harbin,Harbin 150039,China) |
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| Abstract: | The influence of Clomazone's degrading was different by using different bacterium X dosing, the soil mositure content and compounded fertilizer.In order to optimize bioremediation condition of clomazone degrading X,biometric method and orthogonally rotational combination design were used.Mathematical regression model of bioremedial conditions were as following: y=66.76 + 8.69C1 + 6.31C2 + 4.57C37.76C12-7.64C22.The results indicated that the inoculation,the soil mositure content,and the adding quantity of fe... |
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| Keywords: | clomazone degrading bacterium X bioremediation degradation rate |
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