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Título: | Effects of drip irrigation design on a lemon and a young persimmon orchard in semi-arid conditions |
Autor: | Parra, Margarita; Hortelano, David; García-Sánchez, Francisco CSIC ORCID CVN ; Intrigliolo, Diego S. CSIC ORCID; Rubio-Asensio, José Salvador | Palabras clave: | Deficit irrigation Emitters Irrigation scheduling Water stress |
Fecha de publicación: | 2021 | Editor: | Multidisciplinary Digital Publishing Institute | Citación: | Water 13(13): 1795 (2021) | Resumen: | Drip irrigation is presently widely recognized as the most efficient irrigation system that can be used in woody perennial crops. However, uncertainties exist on the more appropriate agronomic design to employ. Here, we summarized the research carried out for three seasons in two young woody perennial crops (persimmon and lemon) in southeastern Spain. Several irrigation designs were compared by maintaining a similar amount of water application but varying the number of emitters and pipelines in each row in the orchard. In the lemon trial, the agronomic irrigation design was additionally combined with different irrigation regimes, comparing full irrigation (FI) with sustained deficit irrigation (SDI). In the persimmon trees, which were still at the juvenility stage, varying the number of emitters per tree or the number of drip lines per tree row, neither affects tree performance nor fruit yield in two out of the three seasons. However, over the entire experimental period, the relative trunk growth increased when more emitters were employed. In the lemon trial, carried out with trees that had reached commercial production, the FI, compared with SDI, increased trunk growth and average fruit weight, while a reduced number of fruits per tree without affecting total yield was observed in the third year of experimentation. The number of emitters per tree only had an effect the first year, increasing lemon fruit weight when the number of drippers per tree increased. In addition, fruit composition was not consistently affected by the irrigation design. It is concluded that, for a given irrigation dose, irrigation frequency, and soil conditions (loam-clay texture), in both very young and more mature trees, increasing the number of emitters or the wetted area only had some slight positive effects on tree performance. | Descripción: | © 2021 by the authors. | Versión del editor: | http://dx.doi.org/10.3390/w13131795 | URI: | http://hdl.handle.net/10261/266294 | DOI: | 10.3390/w13131795 | E-ISSN: | 2073-4441 |
Aparece en las colecciones: | (CIDE) Artículos (CEBAS) Artículos |
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Effects_Of_Drip_Irrigation_Parra_PV_Art2021.pdf | 1,07 MB | Adobe PDF | Visualizar/Abrir |
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