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Sorção e lixiviação de tiametoxam em solos tratados com lodo de esgoto e cultivados com cafeeiro

Sorção e lixiviação de tiametoxam em solos tratados com lodo de esgoto e cultivados com cafeeiro

Magalhães, Ciro Augusto de Souza ; Lima, José Maria de ; Costa, Alisson Lucrécio da ; Silva, Evânia Geralda da ; Silva, Carlos Alberto ; Bettiol, Wagner ; Nóbrega, Julio Cesar Azevedo ; Guimarães, Paulo Tácito Gontijo
URI: https://doi.org/10.1590/S0100-40422012000500002
http://www.sbicafe.ufv.br/handle/123456789/13470
Date: 2012

Abstract:

The objective of this study was to evaluate the sorption and leaching of thiamethoxam in dystrophic Red Yellow Latosol (LVAd), dystroferric Red Latosol (LVdf) and Red-Yellow Argisol (PVAd) with coffee under the effect of sewage sludge doses. There was thiamethoxam sorption decreasing at higher doses of sewage sludge in LVAd and LVdf. In the PVAd, sorption was higher in samples that received the highest dose of sewage sludge. At 150 days after the application of thiamethoxam, the compound began to be detected in the effluent, in all soils. Dissolved organic carbon had no influence on the thiamethoxam leaching.

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