| 苯醚甲环唑在土壤中的降解动力学及其影响因子 |
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| 引用本文： | 王军,温家钧,边侠玲,花日茂,汤锋.苯醚甲环唑在土壤中的降解动力学及其影响因子[J].西北农业学报,2009,18(6):342-346. |
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| 作者姓名： | 王军 温家钧 边侠玲 花日茂 汤锋 |
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| 作者单位： | 王军(安徽省化工研究院,合肥,230041;安徽农业大学,资源与环境学院,合肥,230036);温家钧,边侠玲(安徽省化工研究院,合肥,230041);花日茂(安徽农业大学,资源与环境学院,合肥,230036);汤锋(国际竹藤网络中心,北京,100102) |
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| 基金项目： | 农业部农药残留项目资助 |
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| 摘 要： | 研究了苯醚甲环唑在北京、萧县、杭州及长沙4个地区土壤中的降解动力学,并探讨了土壤微生物、温度、含水量及药剂质量分数对其降解的影响.结果表明:苯醚甲环唑在4个地区土壤中的降解半衰期为11.63～21.77 d.土壤微生物对苯醚甲环唑降解起主导作用,灭菌土壤降解半衰期是非灭菌条件下的6.09倍;15～40℃范围内,温度升高,土壤中苯醚甲环唑降解加快,15～25℃降解速率增加幅度较大;士壤含水量过高(150%)和过低(25%)都不利于苯醚甲环唑降解,而土壤中药剂质量分数的增大对苯醚甲环唑降解则起阻碍作用.
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| 关 键 词： | 苯醚甲环唑 土壤 降解动态 影响因子 |
| 收稿时间： | 2009/5/5 0:00:00 |
| 修稿时间： | 2009/6/10 0:00:00 |
Study on Degrading Dynamics of Difenoconazole in Soils and Its Affecting Factors |
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| WANG Jun,WEN Jiajun,BIAN Xialing,HUA Rimao and TANG Feng.Study on Degrading Dynamics of Difenoconazole in Soils and Its Affecting Factors[J].Acta Agriculturae Boreali-occidentalis Sinica,2009,18(6):342-346. |
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| Authors: | WANG Jun WEN Jiajun BIAN Xialing HUA Rimao and TANG Feng |
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| Institution: | The Academic of Anhui Chemical Institute, Hefei 230041, China;Resource and Environment College of Anhui Agricultural University, Hefei 230036, China;The Academic of Anhui Chemical Institute, Hefei 230041, China;The Academic of Anhui Chemical Institute, Hefei 230041, China;Resource and Environment College of Anhui Agricultural University, Hefei 230036, China;International Center for Bamboo and Rattan, Beijing 100102, China |
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| Abstract: | The degradation dynamics of difenoconazole in soils of four areas of Beijing,Xiaoxian,Hang-zhou and Changsha were studied respectively,and the effect of soil microorganism,temperature,water-holding content and fortified concentration on degradation of difenoconazole were also investigated. The result showed that the half-life of difenoconazole is 11. 63～21. 77 d in soils of four areas. Data also showed that difenoconazole in sterilized soil is 6. 09 times of that in non-sterilized soil, indicating the microorganism is a dominant factor afecting degradation of difenoconazole in soil. In range of 15℃ ～40℃ ,difenoconazole degrades rapidly with the temperature of soil, especially from 15℃ to 25℃,the degradation is accelerated significantly. It is not optimal for difenoconazole to degrade in too high (150%) or too low(25%)soil moisture. But the degradation rate will decrease when the fortified concentration goes up. |
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| Keywords: | Difenoconazole Soils Degrading dynamics Affecting factors |
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