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Behaviour of pendimethalin and oxyfluorfen in peanut field soil: effects on soil biological and biochemical activities

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Title Behaviour of pendimethalin and oxyfluorfen in peanut field soil: effects on soil biological and biochemical activities
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Creator Ajoy Saha, Debarati Bhaduri, Ashvin Pipariya, NK Jain, BB Basak
 
Subject dissipation, herbicides, microbial biomass carbon, peanut, soil enzymes
 
Description Not Available
A field experiment was conducted to study the dissipation kinetics of herbicides pendimethalin and oxyfluorfen in black soil of peanut field at half recommended rate (HRE), recommended rate and double recommended rate as well as to assess their effects on soil microbial parameters and enzymatic activities. In addition, their role in the transformations and availability of some plant nutrients like nitrogen transformation (through ammonification and nitrification processes) and availability of phosphorous were also studied. Incorporation of these herbicides was found to stimulate the activity of soil microbial biomass carbon, fluorescein diacetate hydrolysing activity, alkaline phosphatase and ammonification rates, while dehydrogenase activity, acid phosphatase, nitrification rate and available phosphorous was adversely affected. However, urease remains almost unchanged except for little stimulation at later stages. Dissipation of pendimethalin and oxyfluorfen followed first-order reaction kinetics with half-life (T1/2) of 13.7–20.1 and 21.5–27.4 days, respectively. Residues of both herbicides persisted up to 60 days in the soil at all the doses except 45 days for pendimethalin at HRE.
ICAR
 
Date 2020-08-05T12:17:18Z
2020-08-05T12:17:18Z
2015-08-18
 
Type Research Paper
 
Identifier Ajoy Saha, Debarati Bhaduri, Ashvin Pipariya, N.K. Jain & B.B. Basak (2015) Behaviour of pendimethalin and oxyfluorfen in peanut field soil: effects on soil biological and biochemical activities, Chemistry and Ecology, 31:6, 550-566, DOI: 10.1080/02757540.2015.1039526
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http://krishi.icar.gov.in/jspui/handle/123456789/38962
 
Language English
 
Relation Not Available;
 
Publisher Taylor & Francis