Utilization of reclaimed wastewater for olive irrigation: Effect on soil properties, tree growth, yield and oil content

Ayoub, Salam; Al-Shdiefat, Saleh; Rawashdeh, Hamzeh; Bashabsheh, Ibrahim

doi:10.1016/j.agwat.2016.05.035

Cited by 61 publications

(50 citation statements)

References 13 publications

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“…In contrast to our results, irrigation water salinity was reported by several authors to generally increase olive fruit water content . Previous reports, including ours, observed a reduction in leaf water content (WC) with increasing ECe, and no change in root WC .…”

Section: Resultscontrasting

confidence: 99%

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Irrigation‐induced salinity affects olive oil quality and health‐promoting properties

et al. 2018

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The possible negative effects on olive oil quality due to FA-related parameters should concern producers dependent on, or considering, irrigation with high-salinity water sources. A number of important quality parameters were differentially influenced by the method of inducing the root zone salinity, suggesting that additional environmental variables leading to oxidative responses were affected by the treatments. © 2018 Society of Chemical Industry.

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Section: Resultscontrasting

confidence: 99%

“…Significant differences between the two years of the study were found for many of the parameters. This is not surprising as environmental factors and fruit load are known to affect oil quality . More surprising are the parameters that were found not to respond to salinity but responded to the method by which salinity was induced.…”

Section: Resultsmentioning

confidence: 96%

Irrigation‐induced salinity affects olive oil quality and health‐promoting properties

et al. 2018

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“…Several studies have focused on effects of irrigation with either fresh or saline water on the composition and quality of olive oils . The rising use of RWW for olive irrigation in the Mediterranean calls for intensive study . Here we aimed to determine the effects of long‐term RWW irrigation and fertigation on the composition, quality and organoleptic properties of olive oil.…”

Section: Introductionmentioning

confidence: 99%

Effects of reclaimed wastewater irrigation and fertigation level on olive oil composition and quality

et al. 2019

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BACKGROUND Irrigation of olives increases fruit and oil yields. Due to scarcity of freshwater, low‐quality water including recycled wastewater (RWW) is utilized in orchards. Here, effects of irrigation with RWW and of fertilization on the composition and quality of olive oil were studied. RESULTS Long‐term RWW irrigation of ‘Barnea’ and ‘Leccino’ olive had no significant negative effects on either oil composition or quality parameters, including free fatty acids (FFAs), peroxide value (PV), total phenolics content (TPC), fatty acid profiles and organoleptic characteristics. The average FFA contents for both cultivars were less than 0.8% during most of the experimental period, except the seasons 2009 and 2012–2013 for Barnea where the values were raised up to 1.4%. The measured PV levels were less than 9 and 5 mmol O2 kg‐1 oil for Barnea and Leccino, respectively. In the last season of the experiment for each cultivar, higher TPC were observed in oils obtained from RWW irrigation with reduced fertilization (Re–) as compared to the treatments with the recommended fertilization [freshwater irrigation (Fr) and RWW irrigation (Re+) with standard dose of fertilizers], where the TPC increment exceeded 70% in Barnea and 25% in Leccino. The treatments had only minor effects on the fatty acid profile, reflected in slightly altered levels of C18:2 and C18:3 fatty acids. CONCLUSION The use of RWW, combined with the consideration of nutrients arriving with such water to provide appropriate fertilization, was found suitable for olive irrigation to ensure optimal yields while preserving oil quality. © 2019 Society of Chemical Industry

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“…Sakellariou-Makrantonaki et al (2011) found that reuse of wastewater increased seed yield of sunflower plants. The application of treated wastewater as supplementary irrigation showed significant increase in shoot growth, fruit set, fruit weight and yield as compared with rain-fed agriculture (Ayoub et al, 2016).…”

Section: Introductionmentioning

confidence: 99%

“…Effluent from Ramtha wastewater plant (RWWTP) is (Rusan et al, 2007;Ayoub et al, 2016;Abdulla et al, 2016;Moradi et al, 2016). Effluent of treated wastewater used to save good water quality for domestic use; in the same time using effluent treated wastewater rich in essential nutrient for agriculture will increase agriculture productivity, and achieve economic benefits in by saving the cost of macronutrients (NPK).…”

Section: Introductionmentioning

confidence: 99%

Sunflower seed yield under trickle irrigation using treated wastewater

Rawashdeh¹

2017

Afr. J. Agric. Res.

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Utilization of reclaimed wastewater for olive irrigation: Effect on soil properties, tree growth, yield and oil content

Cited by 61 publications

References 13 publications

Irrigation‐induced salinity affects olive oil quality and health‐promoting properties

Irrigation‐induced salinity affects olive oil quality and health‐promoting properties

Effects of reclaimed wastewater irrigation and fertigation level on olive oil composition and quality

Sunflower seed yield under trickle irrigation using treated wastewater

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