文献类型: 外文期刊
作者: Wang, Ting-Ting 1 ; Li, Yi-Song 2 ; Jiang, Alice C. 3 ; Lu, Meng-Xiao 1 ; Liu, Xian-Jin 1 ; Yu, Xiang-Yang 1 ;
作者机构: 1.Jiangsu Acad Agr Sci, Pesticide Biol & Ecol Res Ctr, Nanjing 20014, Jiangsu, Peoples R China
2.Shihezi Univ, Dept Plant Protect, Coll Agr, Xinjiang 832000, Peoples R China
3.Johns Hopkins Univ, Zanvyl Krieger Sch Arts & Sci, Baltimore, MD 21218 USA
关键词: Biochar;Sorption;Suppression;Chlorantraniliprole;CAP;Soil
期刊名称:BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY ( 影响因子:2.151; 五年影响因子:2.129 )
ISSN:
年卷期:
页码:
收录情况: SCI
摘要: The sorption behavior of chlorantraniliprole (CAP) by biochar and effect of soil extracts on sorptivity in soil-biochar systems were examined. The results showed that biochar amendment could enhance the sorption of CAP in soils. The values of K (F) increased significantly when the soils were amended with 0.5 % BC850, which were from 1.54 to 196.5. The indigenous sorptivity of biochar was suppressed after it was applied to the soils. The degree of biochar sorptivity attenuation in different soil-biochar systems varied with the properties of soil water soluble matters. Sorption of CAP by biochar from the five soil extracts was found to be lower than that from a CaCl2 solution. The calculated K (d) values at C (w) of 0.01 mg kg(-1) for biochar sorption of CAP from CaCl2 solution were 21.4-26.6 times of that from soil extracts. Aging of biochar in soil extract reduced CAP sorption by up to 85 %.
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