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Título: | A regulated deficit irrigation strategy for hedgerow olive orchards with high plant density |
Autor: | Fernández Luque, José Enrique CSIC ORCID ; Pérez Martín, Alfonso CSIC ORCID; Torres Ruiz, José Manuel CSIC ORCID; Cuevas Sánchez, Mª Victoria CSIC ORCID; Rodríguez-Domínguez, Celia M. CSIC ORCID; Elsayed-Farag, S. CSIC; Morales Sillero, Ana; García Martos, José M. CSIC ORCID ; Hernández Santana, V.; Díaz-Espejo, Antonio CSIC ORCID | Palabras clave: | Fruit development Irrigation efficiency Olive oil Super-high density Water productivity |
Fecha de publicación: | nov-2013 | Editor: | Springer Nature | Citación: | Plant and Soil 372(1–2): 279–295 (2013) | Resumen: | Background & Aims There is not a consensus on the best irrigation approach for super-high density (SHD) olive orchards. Our aim was to design and test a regulated deficit irrigation (RDI) strategy for a sustainable balance between water saving, tree vigour and oil production. Methods We tested our RDI strategy for 3 years in an ‘Arbequina’ orchard with 1,667 trees ha−1. Two levels of irrigation reduction were applied, 60RDI and 30RDI, scaled to replacing 60 % and 30 %, respectively, of the of irrigation needs (IN). We also had a full irrigation (FI) treatment as control, with IN totalling 4,701 m3 ha−1 Results The 30RDI treatment showed the best balance between water saving, tree vigour and oil production. With a yearly irrigation amount (IA) of 1,366 m3 ha−1, which meant 72 % water saving as compared to FI, the reduction in oil yield was 26 % only. Conclusions Our results, together with recent knowledge on the effect of water stress on fruit development, allowed us to suggest a potentially improved RDI strategy for which a total IA of ca. 2,100 m3 ha−1 was calculated. Both some management details and the benefits of this suggested RDI strategy are still to be tested. | Descripción: | 17 páginas, 5 figuras, 4 tablas, 78 referencias | Versión del editor: | http://dx.doi.org/10.1007/s11104-013-1704-2 | URI: | http://hdl.handle.net/10261/78287 | DOI: | 10.1007/s11104-013-1704-2 | ISSN: | 0032-079X | E-ISSN: | 1573-5036 |
Aparece en las colecciones: | (IG) Artículos (IRNAS) Artículos |
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A_regulate_feficit_irrigation_2013_Postprint.pdf | 462,65 kB | Adobe PDF | Visualizar/Abrir |
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