Opportunities for expanding the use of wastewaters for irrigation of olives

Francisco Pedrero, S.R. Grattan, Alon Ben-Gal and Gaetano Alessandro Vivaldi

Agricultural Water Management, 2020, vol. 241, issue C

Abstract: Olive trees are iconic to the Mediterranean landscape and in recent times, have expanded to other regions across the globe that share similar climatic conditions. Olive oil production benefits from irrigation, but with a changing climate and uncertainty in precipitation patterns, wastewaters will likely play a larger role supplementing irrigation water requirements. However, due to their relatively poor quality, wastewaters present challenges for sustained long-term use in olive production. Wastewaters include all effluents from municipalities, agricultural drainage, animal production facilities, agricultural processing and industrial processes. This review focuses on potential opportunities and limitations of sustaining olive oil production in the Mediterranean region using wastewater of various sources. The primary challenges for using such wastewaters include concerns related to salinity, sodicity, metals and trace elements, nutrients, organics, and pathogens. Organics and plant nutrients in the effluents are typically beneficial but depend on dosages.

Keywords: Treated wastewater; Olive trees; Health risks; Fruit Quality; Production (search for similar items in EconPapers)
Date: 2020
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Citations: View citations in EconPapers (5)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:agiwat:v:241:y:2020:i:c:s0378377420309793

DOI: 10.1016/j.agwat.2020.106333

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