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Fluxes of nitrogen within deciduous fruit trees

100%

Tagliavini M., Millard P.

Acta Scientiarum Polonorum. Hortorum Cultus

2005

tom 04

nr 1

Nitrogen (N) nutrition is a major means of controlling growth and fruiting of trees. In EU Countries, society’s expectations and political decisions have pushed for the adoption of sustainable ways to manage orchards. Guidelines for N management aim to limit fertiliser applications under threshold limits, in order to reduce N losses. Increasing the effectiveness of the recycling of the N present in the orchard is a basic step to reduce external N inputs. The availability of the stable isotope ¹⁵N as experimental tool has made possible significant advances in the knowledge of the fluxes of N at tree and orchard level. This paper discusses the N fluxes occurring within the tree both between the years and within the year (root-shoot-root N recycle) and their role in the vegetative and reproductive cycle of fruit trees.

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1 Acta Scientiarum Polonorum. Hortorum Cultus

1 Millard P.

1 Tagliavini M.

1 2005

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Fluxes of nitrogen within deciduous fruit trees