Biochemical and mineral changes in leaves and roots of treated wastewater irrigated olive trees

The treated wastewater (TWW) is seen as a potential alternative for crop irrigation in areas with limited freshwater resources. This alternative water source may present a fertilising effect for plants and soils. The present study aims to assess young olive trees' physiological and biochemical...

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Vydáno v:New Zealand journal of crop and horticultural science Ročník 53; číslo 5; s. 2386 - 2400
Hlavní autoři: Sdiri, Wiem, Toumi, Dhekra, Akremi, Houda, Hassani, Rym, Ben Mansour, Hedi
Médium: Journal Article
Jazyk:angličtina
Vydáno: Abingdon Taylor & Francis 02.12.2025
Taylor & Francis Ltd
Témata:
Biochemicals
Biofertilizers
chlorophyll
Drip irrigation
freshwater
Freshwater resources
Fruit trees
Heavy metals
horticulture
Irrigation
Irrigation efficiency
Irrigation systems
Leaves
microirrigation
New Zealand
Olea europaea
olive tree
olives
Physiological effects
Physiology
Plant roots
Roots
sustainability
Translocation
treated wastewater
Trees
Wastewater
Wastewater treatment
New Zealand
ISSN:0114-0671, 1175-8783, 1175-8783
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Shrnutí:The treated wastewater (TWW) is seen as a potential alternative for crop irrigation in areas with limited freshwater resources. This alternative water source may present a fertilising effect for plants and soils. The present study aims to assess young olive trees' physiological and biochemical behaviour as a result of dairy TWW irrigation. Therefore, olive tree parts are analysed following irrigation. Moreover, the two irrigation systems' efficiency is studied in the present work. Olea europaea L. cv. Chemlali leaves and roots were sampled from young olive trees irrigated for 12 months with TWW using surface drip irrigation (SDI) or manual irrigation (MI) systems. Treated wastewater seemed to improve significantly mineral amounts, especially Mg, K and Ca in olive leaves and roots. Moreover, this practice leads to ameliorating plant physiological performance by improving chlorophyll synthesis. These positive effects were observed following the SDI system application. On the other hand, the MI system promoted heavy metal translocation to plant roots and leaves. This phenomenon was blocked by the SDI system. The present results highlight that TWW seems to be an interesting bio-fertiliser of young Olea europaea L. cv. Chemlali trees.
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ISSN:0114-0671
1175-8783
1175-8783
DOI:10.1080/01140671.2025.2479530