Data/hora: 12/06/2024 03:36:49

Provedor de dados: | 21
País: | Germany
Título: | Carbon sequestration potential of organic agriculture in northern Europe - a modelling approach
Autores: | Foereid, Bente; Høgh-Jensen, Henning.
Data: | 2004
Ano: | 2004
Palavras-chave: | Environmental aspects.
Resumo: | Decline in carbon content in agricultural soils contributes both to climate change and to soil fertility problems. The CENTURY element dynamics simulation model was tested and adapted for Northern European agricultural conditions using long-term datasets from Askov experimental farm in southern Denmark. The part of the model dealing with decomposition was tested in isolation using a bare fallow experiment and it could predict soil organic matter levels with high accuracy. In the cropping experiments predictions were less accurate. The crop production was not accurately predicted. Predictions were more accurate on loamy than on sandy soils. The model was used to predict the effect of conversion to organic agriculture on carbon sequestration as soil organic matter. It predicted an increase in soil organic matter during the first 50 years of about 10–40 g C m�2 y�1, and a stable level after about 100 years. The use of grass-clovers in the rotation and as cover crops was  particularly important for the increase in organic matter.
Tipo: | Journal paper
Idioma: | Inglês

Identificador:

http://orgprints.org/18304/1/18304.pdf

Foereid, Bente and Høgh-Jensen, Henning (2004) Carbon sequestration potential of organic agriculture in northern Europe - a modelling approach. Nutrient cycling in agroecosystems, 68, pp. 13-24.

Relação: | http://orgprints.org/18304/
Formato: | application/pdf