Controlled Land Application of Olive Mill Wastewater (OMW): Enhance Soil Indices and Barley Growth Performance in Arid Environments

Mohawesh, Osama; Albalasmeh, Ammar; Al-Hamaiedeh, Husam; Qaraleh, Samer; Maaitah, Omar; Bawalize, Abdelraheem; Al-Majali, Doaa

doi:10.1007/s11270-020-04612-z

Cited by 15 publications

(6 citation statements)

References 20 publications

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“…For example, it was shown that the application rate of 100 m 3 /ha improved soil fertility and olive (Olea europaea, L.) orchard performance after three consecutive years of application (Ayoub et al, 2014). Application rate of 120 m 3 OMWW/ha had also resulted in increased soil organic matter and nutrient contents when applied in barley fields and had significantly increased plants' yield (Mohawesh et al, 2020). It is worth noting that traditional disposal of OMWW on soil has been so far the most commonly adopted solution in Italy despite the fact that such practice may result in groundwater contamination and deteriorate soil quality if not well managed (Chiavola et al, 2014).…”

Section: Recommended Actions and Future Perspectivesmentioning

confidence: 99%

Impact of legislation on olive mill wastewater management: Jordan as a case study

2021

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Olive mill wastewater (OMWW) management is becoming more challenging and a major environmental concern due to several factors including the very complex wastewater, which is considered one of the most difficult-to-treat. Seasonal production and small scattered family milling business have resulted in augmented management challenges. As the eighth largest olive oil exporter, Jordan is not an exception and faces some environmental and management concerns. The country had recently managed OMWW wel; however, some issues need to be addressed in order to meet environmental requirements of the growing business. This paper aims at evaluating the Jordanian experience in OMWW management and recommends additional alternatives. OMWW shipping is controlled by a tracking system to designated disposal sites. However, weak enforcement of penalties results in violations. Moreover, current management practical options are limited in view of existing regulations since agricultural land application and decentralized management are discouraged. Legislative gaps are discussed and suggestions for a comprehensive revision established to allow for additional management alternatives. A revised legislative framework that takes into account resource recovery and the valorization of OMWW based on scientific evidence is highly recommended.

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Section: Recommended Actions and Future Perspectivesmentioning

confidence: 99%

Impact of legislation on olive mill wastewater management: Jordan as a case study

2021

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“…Nevertheless, OMWs characteristics make them suitable for use as low-cost soil fertilizers recycling the organic matter and mineral nutrients [99]. Moreover, the clarified OMWW can represent a convenient source of irrigation water in Mediterranean countries suffering from water scarcity [100][101][102][103][104][105]. To solve the environmental problems linked to OMW disposal costs and allow its application to agricultural soils, several physico-chemical and biotechnological processes have been proposed for the OMW treatment based on evaporation ponds, reverse osmosis, filtration, oxidation, thermal drying, aerobic and anaerobic treatments, composting, phyto-depuration, and phenolic components extraction [106].…”

Section: Effects Of Omw On Soil Properties and Plant Nutritionmentioning

confidence: 99%

Olive Mill Wastes: A Source of Bioactive Molecules for Plant Growth and Protection against Pathogens

Sciubba

Chronopoulou

Pizzichini

et al. 2020

Biology

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Olive oil production generates high amounts of liquid and solid wastes. For a long time, such complex matrices were considered only as an environmental issue, due to their polluting properties. On the other hand, olive mill wastes (OMWs) exert a positive effect on plant growth when applied to soil due to the high content of organic matter and mineral nutrients. Moreover, OMWs also exhibit antimicrobial activity and protective properties against plant pathogens possibly due to the presence of bioactive molecules including phenols and polysaccharides. This review covers the recent advances made in the identification, isolation, and characterization of OMW-derived bioactive molecules able to influence important plant processes such as plant growth and defend against pathogens. Such studies are relevant from different points of view. First, basic research in plant biology may benefit from the isolation and characterization of new biomolecules to be potentially applied in crop growth and protection against diseases. Moreover, the valorization of waste materials is necessary for the development of a circular economy, which is foreseen to drive the future development of a more sustainable agriculture.

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“…In order to solve this problem, non-conventional water sources have been suggested, including but not limited to treated wastewater [8][9][10][11]. Treated wastewater (TWW) is always available in large quantities.…”

Section: Introductionmentioning

confidence: 99%

Impact of Irrigation with Treated Domestic Wastewater on Squash (Cucurbita pepo L.) Fruit and Seed under Semi-Arid Conditions

2021

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The present study investigated the effect of using municipal treated wastewater in irrigation on plant growth and seed quality of squash as compared to fresh water. The physico-chemical properties of both water sources were investigated. Soil, fruits and seeds were tested for heavy metals presence and accumulation. A number of seed composition parameters were also measured. Growth parameters (fruit length, diameter and oven-dried weight) were increased in response to irrigation with treated wastewater as compared to control. All tested heavy metals concentrations were below the toxic limit of the Jordanian standards. Crude protein content was highest (41.28%) in naked seeds under treated wastewater treatment, whereas the lowest content (33.57%) was under freshwater treatment of the whole seeds.

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Controlled Land Application of Olive Mill Wastewater (OMW): Enhance Soil Indices and Barley Growth Performance in Arid Environments

Cited by 15 publications

References 20 publications

Impact of legislation on olive mill wastewater management: Jordan as a case study

Impact of legislation on olive mill wastewater management: Jordan as a case study

Olive Mill Wastes: A Source of Bioactive Molecules for Plant Growth and Protection against Pathogens

Impact of Irrigation with Treated Domestic Wastewater on Squash (Cucurbita pepo L.) Fruit and Seed under Semi-Arid Conditions

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