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Provedor de dados:  Organic Eprints
País:  Germany
Título:  Pea-barley intercrop N dynamics in farmers fields
Autores:  Hauggaard-Nielsen, Henrik
Peoples, Mark B.
Andersen, Mette K.
Nielsen, Anders H.
Jensen, Erik S.
Data:  2001
Ano:  2001
Palavras-chave:  Cereals
Pulses and oilseeds
Resumo:  Knowledge about crop performances in farmers’ fields provides a link between on-farm practice and re-search. Thereby scientists may improve their ability to understand and suggest solutions for the problems facing those who have the responsibility of making sound agricultural decisions. Nitrogen (N) availability is known to be highly heterogeneous in terrestrial plant communities (Stevenson and van Kessel, 1997), a heterogeneity that in natural systems is often associated with variation in the distri-bution of plant species. In intercropping systems the relative proportion of component crops is influenced by the distribution of growth factors such as N in both time and space (Jensen, 1996). In pea-barley intercrops, an increase in the N supply promotes the growth of barley thereby decreasing the N accumulation of pea and giving rise to changes in the relative proportions of the intercropped components (Jensen, 1996). The pres-sure of weeds may, however, significantly change the dynamics in intercrops (Hauggaard-Nielsen et al., 2001). Data from farmers’ fields may provide direct, spatially explicit information for evaluating the poten-tials of improving the utilisation of field variability by intercrops.
Tipo:  Conference paper, poster, etc.
Idioma:  Inglês

Hauggaard-Nielsen, Henrik; Peoples, Mark B.; Andersen, Mette K.; Nielsen, Anders H. and Jensen, Erik S. (2001) Pea-barley intercrop N dynamics in farmers fields. In: 11th Nitrogen Workshop - Book of Abstracts, INRA - National Institute for Agricultural Research, 11th Nitrogen Workshop - Book of Abstracts.
Editor:  INRA - National Institute for Agricultural Research
Formato:  application/pdf

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