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- Title
Determination and Dynamics of Ethylicin Residues in Cotton-Field Ecosystem.
- Authors
Chen, Zilei; Zhang, Hong; Ding, Ruiyan; Wang, Wenzheng; Wang, Wenbo; Li, Huidong
- Abstract
In this work, we developed an efficient method to determine the ethylicin content in soil, cotton plant and cotton seed, and we also studied the fate of ethylicin in the cotton field ecosystem. The residual ethylicin was analyzed by GC-ECD. The limit of quantification was 0.005 mg/kg for soil, 0.01 mg/kg for the plant and cotton seed. The kinetics study of ethylicin residue showed that the ethylicin concentration in plant and soil can be regressively quantified as C = 1.0762e and C = 0.5535e, representing a half-live of 2.7 and 5.2 days, respectively. As a conclusion, a dosage of 354 g a.i. ha was recommended, which could be considered as safe to human beings and animals.
- Subjects
COTTONSEED; COTTON; BIOTIC communities; QUANTITATIVE research; GAS chromatography; PLANT-soil relationships; SPRAYING &; dusting residues in agriculture
- Publication
Bulletin of Environmental Contamination & Toxicology, 2012, Vol 89, Issue 4, p853
- ISSN
0007-4861
- Publication type
Article
- DOI
10.1007/s00128-012-0754-0