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Article

Effects of Drip Irrigation Design on a Lemon and a Young Persimmon Orchard in Semi-Arid Conditions

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Department Riego, Consejo Superior de Investigaciones Científicas—Centro de Edafología y Biología Aplicada del Segura, Campus Universitario Espinardo Ed. 25, 30100 Murcia, Spain
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Department Nutrición Vegetal, Consejo Superior de Investigaciones Científicas—Centro de Edafología y Biología Aplicada del Segura, Campus Universitario Espinardo Ed. 25, 30100 Murcia, Spain
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Department Ecología, Consejo Superior de Investigaciones Científicas—Centro de Investigación sobre Desertificación (CSIC-UV-GV), Carretera CV-315, km 10.7, 46113 Moncada, Spain
*
Author to whom correspondence should be addressed.
Academic Editors: Pilar Montesinos and Giuseppe Luigi Cirelli
Water 2021, 13(13), 1795; https://doi.org/10.3390/w13131795
Received: 12 April 2021 / Revised: 14 June 2021 / Accepted: 23 June 2021 / Published: 29 June 2021
(This article belongs to the Special Issue Water Management in Woody Crops: Challenges and Opportunities)
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. View Full-Text
Keywords: deficit irrigation; emitters; irrigation scheduling; water stress deficit irrigation; emitters; irrigation scheduling; water stress
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MDPI and ACS Style

Parra, M.; Hortelano, D.; García-Sánchez, F.; Intrigliolo, D.S.; Rubio-Asensio, J.S. Effects of Drip Irrigation Design on a Lemon and a Young Persimmon Orchard in Semi-Arid Conditions. Water 2021, 13, 1795. https://doi.org/10.3390/w13131795

AMA Style

Parra M, Hortelano D, García-Sánchez F, Intrigliolo DS, Rubio-Asensio JS. Effects of Drip Irrigation Design on a Lemon and a Young Persimmon Orchard in Semi-Arid Conditions. Water. 2021; 13(13):1795. https://doi.org/10.3390/w13131795

Chicago/Turabian Style

Parra, Margarita, David Hortelano, Francisco García-Sánchez, Diego S. Intrigliolo, and José S. Rubio-Asensio 2021. "Effects of Drip Irrigation Design on a Lemon and a Young Persimmon Orchard in Semi-Arid Conditions" Water 13, no. 13: 1795. https://doi.org/10.3390/w13131795

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