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Degradation of four fungicides in tropical soils from Hainan, China

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文献类型：外文期刊

作者： Han, Bing Jun ¹ ; Chen, Li Xia ² ; Peng, Li Xu ¹ ;

作者机构： 1.CATAS, Anal & Testing Ctr, Haikou 571101, Peoples R China

2.Qiongtai Teachers Coll, Dept Math, Haikou 571101, Peoples R China

关键词： Biodegradation;Chlorothalonil;Climate;Crop;Biodegradation;Chlorothalonil;Climate;Crop;Difenoconazole;Fungicides;Sampling;Soil;Spraying;Weather;propiconazole

期刊名称：JOURNAL OF FOOD AGRICULTURE & ENVIRONMENT （影响因子：0.435；五年影响因子：0.484 ）

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收录情况： SCI

摘要： In tropical districts, the production of crops is affected by fungal, bacterial and viral origins. Chlorothalonil, myclobutanil, propiconazole and difenoconazole were the four fungicides which were effective to prevent these diseases. The degradation and residue of four fungicides in tropical soils were investigated in the present study. The results showed that the four fungicides were closely related with the times and dosage of application, and the weather after spraying. The half-lives of the four fungicides in tropical soils were 5.2, 14.9, 15.8 and 13.8 days, respectively. After the third sampling time, the residue of the four fungicides were detected, but they were lower than 1mg/kg and they were safe to use under the tropical climate.

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