Paper Title
Effect of pesticides on the activity of soil enzymes (Urease) in Ground nut (Arachis hypogaea L.) soils
Article Identifiers
Authors
A REKHA PADMINI , V.Rangaswamy
Keywords
Soil enzyme (Urease), Pesticides (dimethoate, thiodicarb,fosety-Al and copper oxychloride)
Abstract
: Soil enzymes play a key role in energy transfer through the breakdown of soil organic matter and nutrient cycling, and therefore play an important role in agriculture. Therefore, this study was conducted to determine the effect of different concentrations of four selected pesticides (2 insecticides and 2 fungicides) on groundnut soil in black and red groundnut cultivated fields in Anantapuramu district, Andhra Pradesh, India. In a laboratory experiment, the effect of selected pesticides - dimethoate and thiodicarb, fungicides - fosety-Al and copper oxychloride on urease activity with different concentrations of 1.0-10 kg ha-1 was determined. Enzyme activity was determined in two parallel air-dried soil samples and incubated for 10, 20, 30 and 40days for soil enzyme i.e., urease was tested. Urease activity was significantly higher in insecticides compared to fungicides levels at 10 and 20 days of 5.0 kg ha-1 in black and red soil. In general, pesticides reduced the activity of soil enzymes, which decreased with increasing pesticide applications. Urease activity decreased dramatically as the incubation time increased to 30 and 40 days. The results of this study clearly show that field application rates do not affect enzyme activity during a longer incubation period (40 days). However, a higher concentration of fungicide (10 kg ha-1) causes inhibition of enzymatic activity.
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How To Cite (APA)
A REKHA PADMINI & V.Rangaswamy (July-2023). Effect of pesticides on the activity of soil enzymes (Urease) in Ground nut (Arachis hypogaea L.) soils. INTERNATIONAL JOURNAL OF NOVEL RESEARCH AND DEVELOPMENT, 8(7), d320-d324. https://ijnrd.org/papers/IJNRD2307337.pdf
Issue
Volume 8 Issue 7, July-2023
Pages : d320-d324
Other Publication Details
Paper Reg. ID: IJNRD_202165
Published Paper Id: IJNRD2307337
Downloads: 000121998
Research Area: Life SciencesÂ
Country: anantapur, andhrapradesh, India
Published Paper PDF: https://ijnrd.org/papers/IJNRD2307337.pdf
Published Paper URL: https://ijnrd.org/viewpaperforall?paper=IJNRD2307337
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