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Canopy architecture and radiation interception measurements in olive

AutorDíaz-Espejo, Antonio ; Fernández Luque, José Enrique ; Durán, Pablo ; Girón Moreno, Ignacio F. ; Martín Palomo, Mª José
Palabras claveRATP model
Leaf area
Fecha de publicaciónjun-2008
EditorInternational Society for Horticultural Science
CitaciónActa Horticulturae 791: 531-538 (2008)
ResumenIn this work we tested techniques suitable for a future validation of the RATP model to simulate transpiration and photosynthesis of mature olive trees under field conditions. Canopy architecture was characterised with an electromagnetic 3D digitiser and the software 3A. Although the capability of the software to deal with big data sets has to be improved, the system seems to meet the RATP requirements. An array of radiation sensors mounted in an aluminium bar and located at different positions within the canopy showed to be an useful tool for monitoring radiation distribution; these data can be used to validate the RATP predictions. Leaves intercepting more radiation showed greater values both of area based nitrogen content and photosynthetic capacity, and the increment of nitrogen was found to be related to the increment in leaf mass area. A method was tested for assessing plant leaf area, which could allow us to determine the leaf area of the biggest trees in the orchard, with reduced time and labour.
Descripción8 páginas, 4 figuras, 20 referencias.-- V International Symposium on Olive Growing, celebrado del 27 de septiembre-2 de octubre 2004, en Izmir, Turquía.
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