Data/hora: 09/06/2024 14:56:18

Provedor de dados: | 86
País: | Brazil
Título: | Enhanced degradation of metalaxyl in agricultural soils of São Paulo State, Brazil
Autores: | Papini,Solange; Andréa,Mara Mercedes de.
Data: | 2001-01-01
Ano: | 2001
Palavras-chave: | Fungicides; Biodegradation; Mineralization; Soil deterioration.
Resumo: | This work investigated the effect of repeated applications on enhanced degradation of metalaxyl in two different agricultural soils used for cultivation of orange and lemon from Casa Branca and Itapetininga districts of São Paulo State, Brazil. Soil samples were collected from areas repeatedly treated with commercial ridomil 50GR for six successive years, and from other areas never exposed to this fungicide. At the laboratory, soil samples received a 14C-metalaxyl solution and its degradation was studied through radiometric techniques to measure biomineralization and recovery of extractable- and soil-bound products. Enhanced degradation was verified only in one soil, although partial degradation and mineralization of the fungicide were detected in both soils. The different rates and patterns of metalaxyl degradation in the soils were probably due to their different physical, chemical, and biological characteristics.
Tipo: | Info:eu-repo/semantics/article
Idioma: | Inglês
Identificador: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2001000100001

Editor:

Embrapa Secretaria de Pesquisa e Desenvolvimento

Pesquisa Agropecuária Brasileira

Relação: | 10.1590/S0100-204X2001000100001
Formato: | text/html
Fonte: | Pesquisa Agropecuária Brasileira  v.36 n.1 2001
Fonte: | info:eu-repo/semantics/openAccess