除草剤ピラゾキシフェンの分解速度と土壌要因との関係
書誌事項
- タイトル別名
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- Relationships between the Degradation Rate of the Herbicide Pyrazoxyfen and Soil Properties
- 除草剤ピラゾキシフェンの分解速度と土壌要因との関係〔英文〕
- ジョソウザイ ピラゾキシフェン ノ ブンカイ ソクド ト ドジョウ ヨウイン
- Studies on the Metabolism of Pyrazoxyfen (Part 1)
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Relationships between the degradation rate of the herbicide pyrazoxyfen (2-[4-(2, 4-dichlorobenzoyl)-1, 3-dimethylpyrazol-5-yloxy]-acetophenone) and soil properties were investigated. In the experiment, pyrazol-3-14C-labeled and unlabeled pyrazoxyfens were incubated in five paddy soils under flooded and upland conditions. The degradation rate of pyrazoxyfen differed greatly according to the properties and conditions of soils. Pyrazoxyfen tended to degrade rapidly in mineral soils and slowly in humic volcanic ash soils with its half-life being 3-5 and 5-34 days, respectively. In the same soil, the degradation was faster under flooded conditions (half-life of less than 10 days) than under upland moisture conditions (half-life of 4-34 days). Under all the experimental conditions the degradation rate was negatively correlated with the cation-exchange capacity and the organic-matter content of a soil. The correlation was also negative with the C/N ratio and the maximum water holding capacity, but the correlation coefficient differed according to experimental conditions.
収録刊行物
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- 日本農薬学会誌(Journal of Pesticide Science)
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日本農薬学会誌(Journal of Pesticide Science) 16 (1), 71-76, 1991
日本農薬学会
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詳細情報 詳細情報について
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- CRID
- 1390001205209519232
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- NII論文ID
- 110001712451
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- NII書誌ID
- AN00196227
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- ISSN
- 03851559
- 13490923
- 1348589X
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- NDL書誌ID
- 3708405
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- データソース種別
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- JaLC
- IRDB
- NDL
- Crossref
- NDL-Digital
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可