1. Integrative Crop Ecophysiology Group, Plant Physiology Section, Faculty of Biology, University of Barcelona, Avinguda Diagonal, 643, 08028 Barcelona Barcelona, Spain
2. AGROTECNIO (Center for Research in Agrotechnology), Av. Rovira Roure 191, 25198, Lleida, Spain.
3. Programa de Ingenierıa Electronica, Facultad de Ingenierıa, Universidad de Ibague, Carrera 22 Calle 67, Ibague 730001, Colombia.
4. AGROTECNIO (Center for Research in Agrotechnology), Av. Rovira Roure 191, Lleida 25198, Spain.
5. Consorci Forestal de Catalunya (CFC)
6. Centre de Ciència i Tecnologia Forestal de Catalunya (CTFC)
7. Joint Research Unit CTFC - Agrotecnio, Solsona, Spain