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Canopy architecture and radiation interception measurements in olive

Opened Access Canopy architecture and radiation interception measurements in olive


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Autor: Díaz Espejo, Antonio
Durán, Pablo
Fernández Luque
Girón Moreno, Ignacio Francisco
Martín Palomo, María José
Departamento: Universidad de Sevilla. Departamento de Ciencias Agroforestales
Fecha: 2008-06
Publicado en: Acta Horticulturae, 791, 531-538
Tipo de documento: Artículo
Resumen: In 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 orchar...
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