Data/hora: 25/05/2024 00:47:51

Biblioteca(s): | Embrapa Pantanal.
Data corrente: | 06/03/1997
Data da última atualização: | 31/03/2017
Autoria: | CHENG, W.; COLEMAN, D. C.
Título: | A simple method for measuring CO2 in a continuous air-flow system: modifications to the substrate-induced respiration technique.
Ano de publicação: | 1989
Fonte/Imprenta: | Soil Biology and Biochemistry, v.21, n.3, p.385-388, 1989.
Idioma: | Inglês
Conteúdo: | A simple, inexpensive method for measurement of respiration (CO2 evolution) under a continuous air-flow was calibrated against an i.r. gas analyzer. Regression equations were developed to apply the method to general soil respiration measurement in the laboratory. The substrate-induced respiration technique was modified. By using 120% FWHC as a standard soil water condition during incubation, initial substrate-induced maximal respiration was measured in an optimal fashion. The problem of high experimental errors associated with soils with high pH values (pH > 6.5) can be avoided by using the simple method of CO2 measurements with this continuous air-flow system.
Palavras-Chave: | Air-flow system; Microorganism; Microorganismo; Respiration technique; Sistema de fluxo de ar; Tecnica de respiracao.
Thesagro: | Solo.
Thesaurus Nal: | soil.
Categoria do assunto: | --
Registro original: | Embrapa Pantanal (CPAP)
Exemplares: | CPAP - (34108-1) - ADD - SP - PP - SP15155 -  - 15155 - DIS