Effect of Olive Mill Wastewater (OMW) Application on Soil Properties and Wheat Growth Performance Under Rain-Fed Conditions

Mohawesh, Osama; Al-Hamaiedeh, Husam; Albalasmeh, Ammar; Qaraleh, Samer; Haddadin, Maisaa

doi:10.1007/s11270-019-4208-8

Cited by 26 publications

(11 citation statements)

References 32 publications

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“…It is considered as one of the most contaminated and hazardous food industry residues to the environment (9), especially from producing countries (10). This is due to its diverse organic structure, vast quantity, and complexity in treating, as well as the lack of practicable or cost-effective OMW treatments (5,11). Therefore, it must be disposed of by dumping it immediately into the air, most often in waste streams, storing it in evaporation ponds, or spreading it out to the ground, resulting in soil blockage, surface and ground water pollution, and the release of unpleasant odors.…”

Section: Introduction Introductionmentioning

confidence: 99%

Effect of storage time on the biodegradability of olive oil mill wastewater from the cold extraction of olive oil system

Gueboudji

Bagues

Kadi

et al. 2021

The EuroBiotech Journal

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The olive oil processing industry’s liquid effluents (OMW) have a polluting capacity for the ecosystems. This study aimed to evaluate the physicochemical quality of OMW of two varieties of separated and combined olives cultivated in Khenchela Eastern Algeria, from the cold extraction of the olive oil extraction system. These was to determine their degree of pollution and biodegradability during one year of storage at ambient temperature to recommend the correct treatment for each storage time. Results of the measured parameters pH, EC,TSS percent, H2O percent, lipids, DM, OM, MM, VM, COT percent, NTK percent, C/N, BOD5, COD, BI, TOM, BOD5/COD show that wastewater from olive oil mills has an acid pH, and they are very loaded with organic matter evaluated in terms of COD and BOD5, quite filled with minerals. The storage of olive mill waste can reduce progressively the pollution caused by this waste. Whereas during one year, the reduction rate of COD, BOD5, TOM, BI, is respectively 29.4%, 54.8%, 39.16%, 54.2%, but C/N, BOD5/COD continue to increase as well as pH that continues to decrease during the storage. Accordingly, storing olive mill waste during a year reduces its pollution rate, so it is slowly biodegradable. When disposing of it, an adequate treatment procedure must be required to protect the environment.

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Section: Introduction Introductionmentioning

confidence: 99%

Effect of storage time on the biodegradability of olive oil mill wastewater from the cold extraction of olive oil system

Gueboudji

Bagues

Kadi

et al. 2021

The EuroBiotech Journal

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“…These results are similar and exceed those of Mekki et al (2006aMekki et al ( , 2006b, who reported a 5% yield increase in wheat under olive wastewater treatment compared to the control sample as a result of the increase in both kernel weight and ears per plant. Mechri et al (2008); Saadi et al (2013); and Mohawesh et al (2019) reported that phenolic content was decreased after a period of adding OMWW, which might be the case in the current study due to the two-month waiting period. Therefore, the observed increase in the bacterial cell's numbers in all OMWW-treated soils was due to the decreased inhibitory effect of phenolic compounds accompanied by a high organic matter content, which plays an essential role in supplying the bacterial cells with the nutrients and energy needed for their activity.…”

Section: Discussionmentioning

confidence: 47%

Olive mill wastewater effects on durum wheat crop attributes and soil microbial activities: A pilot study in Syria

Khalil

Habib

Alabboud

et al. 2021

Energ. Ecol. Environ.

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Olive mill wastewater is one of the environmental problems in semiarid regions. The main goals of this study were to investigate the impacts of different olive mill wastewater levels on durum wheat (Triticum aestivum var. Douma1) production and soil microbial activities (i.e., bacteria and fungi). A pot experiment was conducted during the growing seasons 2015/2017 to evaluate the effect of three levels of olive mill wastewater on both growth and productivity attributes of wheat. Vertisol soil samples were collected from southern Syria. Two months before wheat cultivation, three levels of olive mill wastewater: T5 (5 L/m 2), T10 (10 L/m2) and T15 (15 L/m 2) were added to pots filled with the collected soil samples. Also, a control (T0) free of olive mill wastewater was considered as a reference. Results showed a significant increase (p < 0.05) in germination rate (%), plant height (cm), ear length (cm), kernels number, kernels weight per ear (g) and grain yield (g/m2) compared to control. However, T5 treatment did not induce a significant increase in terms of ear length, kernels weight per ear or yield (in the second season). On the other hand, T10 treatment had recorded the best results compared with the other two treatments (T5, T15). Similarly, the results showed a significant increase in the number of bacterial and fungi cells by increasing olive mill wastewater concentration. This research provides promising results toward using olive mill wastewater in an eco-friendly way under Syrian conditions.

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“…The spectrophotometer (ultraviolet-1601PC; Shimadzu, Kyoto, Japan) was used for the quantitative analysis of P in samples using the method proposed by Watanabe and Olsen (1965), whereas the atomic absorption spectrometer was used to determine Ca and K (Mohawesh, 2016). Total N was determined using the Kjeldahl method described in the work by Mohawesh et al (2019). The chlorophyll content in plants was determined for a fully expanded, healthy leaf from each plant using a chlorophyll meter (SPAD-502; Konica Minolta Sensing, Osaka, Japan) in triplicate (Alamro et al, 2019).…”

Section: Methodsmentioning

confidence: 99%

Effect of Colored Shading Nets on the Growth and Water Use Efficiency of Sweet Pepper Grown under Semi-arid Conditions

Mohawesh

Albalasmeh

Deb

et al. 2022

hortte

Self Cite

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Colored shading nets have been increasingly studied in semi-arid crop production systems, primarily because of their ability to reduce solar radiation with the attendant reductions in air, plant, and soil temperatures. However, there is a paucity of research concerning the impact of colored shading nets on various crops grown under semi-arid environments, particularly the sweet pepper (Capsicum annum) production system. This study aimed to investigate the effects of three colored shading net treatments (i.e., white, green, and black shading nets with 50% shading intensity and control with unshaded conditions) on the growth and instantaneous water use efficiency (WUE) of sweet pepper. The results showed that all colored shading nets exhibited significantly lower daytime air temperatures and light intensity (22 to 28 °C and 9992 lx, respectively) compared with the control (32 to 37 °C and 24,973 lx, respectively). There were significant differences in sweet pepper growth performance among treatments, including plant height, shoot dry weight, leaf area, leaf chlorophyll content, and vitamin C in ripened fruit. The enhanced photosynthetic rates were observed in sweet pepper plants under the colored shading nets compared with control plants. WUE increased among the colored shading net treatments in the following order: control ≤ white < black < green. Overall, the application of green and black shading nets to sweet pepper production systems under semi-arid environments significantly enhanced plant growth responses and WUE.

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Effect of Olive Mill Wastewater (OMW) Application on Soil Properties and Wheat Growth Performance Under Rain-Fed Conditions

Cited by 26 publications

References 32 publications

Effect of storage time on the biodegradability of olive oil mill wastewater from the cold extraction of olive oil system

Effect of storage time on the biodegradability of olive oil mill wastewater from the cold extraction of olive oil system

Olive mill wastewater effects on durum wheat crop attributes and soil microbial activities: A pilot study in Syria

Effect of Colored Shading Nets on the Growth and Water Use Efficiency of Sweet Pepper Grown under Semi-arid Conditions

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