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Type: Artigo de periódico
Title: Microcalorimetry of the degradation of the herbicide 2,4-D via the microbial population on a typical Brazilian red Latosol soil
Author: Prado, AGS
Airoldi, C
Abstract: The herbicide 2,4-dichlorophenoxyacetic acid (2,4-D) was applied to a typical Brazilian red Latosol soil. The thermal effects evolved by 2,4-D degradation were followed in a series of microcalorimetric experiments. The power-time curves were recorded for increasing doses of herbicide. varying from 0 to 6.67 mg g(-1) under a 34.8% controlled humidity. The herbicide was used as a food source by soil microbes, the degradation causing the thermal effect. The thermal effect increases to 2.67 mg g(-1). Above this concentration, a decrease of the thermal effect was observed due to toxicity of 2,4-D to the microbes. (C) 2001 Elsevier Science B.V. All rights reserved.
Subject: pesticide
Country: Holanda
Editor: Elsevier Science Bv
Citation: Thermochimica Acta. Elsevier Science Bv, v. 371, n. 41671, n. 169, n. 174, 2001.
Rights: fechado
Identifier DOI: 10.1016/S0040-6031(01)00424-5
Date Issue: 2001
Appears in Collections:Unicamp - Artigos e Outros Documentos

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