[1]JING Rui-yong,WANG Li-yan.Effect of Chlorimuron-ethyl on Soil Microbial Number, Enzyme Activity and Respiration[J].Research of Soil and Water Conservation,2013,20(03):60-64.
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Effect of Chlorimuron-ethyl on Soil Microbial Number, Enzyme Activity and Respiration
Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume:
20
Number of periods:
2013 03
Page number:
60-64
Column:
Public date:
2013-06-28
- Title:
- Effect of Chlorimuron-ethyl on Soil Microbial Number, Enzyme Activity and Respiration
- Keywords:
- chlorimuron-ethyl; soil microbe; soil enzyme activity
- CLC:
- S182;S482.4
- DOI:
- -
- Abstract:
- Chlorimuron-ethyl is a kind of herbicide with high efficiency and broad spectrum, It is of great significance for reasonable use that the research on effect of chlorimuron-ethyl on soil microorganism. By bottle experinment indoor, effect of chlorimuron-ethyl concentration on soil respiration, soil microbe and soil enzyme activity was investigated. The results showed that soil respiration was stimulated during the first two weeks after the application of chlorimuron-ethyl of the experimental concentration (0.3, 3, 15, 30 μg/kg), and Chlorimuron-ethyl stimulated significantly respiration of soil with increase of concentration. The number of soil bacteria and actinomyces were stimulated during one weeks after the application of chlorimuron-ethyl. The number of bacteria was inhibited at the 45th day with the chlorimuron-ethyl of the 15, 30 μg/kg, but the effects were temporary and recovered at the 60th day. The activities of catalase, invertase and urease in soil were inhibited at the 7th day after application of chlorimuron-ethyl, chlorimuron-ethyl inhibited significantly activities of soil catalase and urease with increase of concentration, then the activities of soil catalase, invertase and urease were stimulated at the end of culture and the activities of three enzymes were recovered. The above results offered the theoretical basis for the application of chlorinuron-ethyl to field.
- References:
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1900-01-01