Assessment of yield and water productivity of clementine trees under surface and subsurface drip irrigation

Giuseppe Provenzano, Bonet, Ballester, Badal, Martínez-Gimeno, Intrigliolo

Risultato della ricerca: Articlepeer review

12 Citazioni (Scopus)

Abstract

Irrigation systems aimed to optimize water use efficiency in agriculture have become essential due to the increasingwater limitations that agriculture is currently facing. Assessment of crop responses to different irrigationsystems and strategies are therefore encouraged to find the most efficient options for each specific case. Themain objective of this study was to assess the performance of a citrus crop under a surface (SI) and subsurfacedrip irrigation (SSI) with 7 (SI7, SSI7) or 14 emitters (SI14, SSI14) per plant, as well as a third SS treatment (SSIA),identical to SSI7 but equipped with and additional drip line buried between the tree rows. Evaluations weremade in terms of yield, fruit composition, irrigation water productivity (IWP) and water savings. Results showedthat, on average, water savings were 23.0% in the SSI treatment compared to the SI treatment without significantdifferences in either yield or fruit composition. IWP was higher in SI14, SSI14 and SSIA than in SI7 and SSI7treatments. SSIA was the treatment with the lowest irrigation volumes and the highest yield and compared to SI7allowed, over the three years, water savings in the range between 22.4 and 27.9%. Results from this studyillustrate that there is opportunity to substantially save water in citrus production and that further research inthis direction is needed to contribute to better optimize the water resources in agriculture.
Lingua originaleEnglish
pagine (da-a)209-216
Numero di pagine8
RivistaAgricultural Water Management
Volume206
Stato di pubblicazionePublished - 2018

All Science Journal Classification (ASJC) codes

  • Agronomy and Crop Science
  • Water Science and Technology
  • Soil Science
  • Earth-Surface Processes

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