Treated Olive Mill Wastewater Effects on Soil Properties and Plant Growth

Rusan, M.; Albalasmeh, Ammar; Malkawi, Hanan I.

doi:10.1007/s11270-016-2837-8

Cited by 50 publications

(13 citation statements)

References 30 publications

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“…However, the highest contents of P 2 O 5 were registered in the soils treated with OMW. Previous studies have shown that the soil phosphorous content increases considerably with OMW irrigation (Rusan et al 2016). Similarly, we found that the carbon and nitrogen soil contents were significantly higher in the soil treated with the OMW.…”

Section: Chemical and Physical Soil Proprietiessupporting

confidence: 84%

“…However, the aforementioned studies did not consider the effects of OMW on the soil microbial community. To the best of our knowledge, few researchers have investigated the impact of the use of OMW on the microbiological population of dry land soils (Hannachi et al 2014;Rusan et al 2016). Soils can contain up to 10 10 bacteria/g, of which more than 95% have not yet been cultured (Di Serio et al 2008).…”

Section: Introductionmentioning

confidence: 99%

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The Impact of Different Techniques of Soil Management on Soil Fertility and the Associated Bacterial Communities in Semi-arid Olive Tree Fields

Rajhi

Sanz

Abichou³

et al. 2020

J Soil Sci Plant Nutr

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A remarkable decrease in olive production has been observed in Tunisia since 2000, particularly in the semi-arid region. This downfall was mainly due to a notable change in climatic conditions as a result of wind erosion and over cultivation. The aim of this work was to study the biological, physical, and chemical properties of several semi-arid soils from olive tree fields subjected to different farming practices, such as crop time and type of crop, olive mill wastewater (OMW) application rates, and tillage timing and depth (deep or conventional plowing). We noted that hydraulic conductivity (HC) was proportional to the age of the soil tillage, and the highest values were recorded in the soil cultivated for 100 years, with an average value of 33.05 ± 0.02 mm h −1. An important increment of the iron soil content was observed, especially after the fig tree introduction among the olive trees (12,094 ng μL −1) in 2007. Also, a significant increase of the organic matter (OM) content (up to2.6 mg-OM/g-soil) was identified in soil treated with OMW compared to the lowest OM content (0.83 mg-OM/g-soil) recorded in the soil cultivated since 1901. The bacterial communities of the different soils were characterized by 454 pyrosequencing technology, and showed an important diversity, mainly corresponding to Proteobacteria, Actinobacteria, and Acidobacteria. Many operational taxonomic units (OTUs) are raretons, indicating a high resilience of the soil bacterial communities. Statistical analyses showed significant correlations with the different soil parameters. However, an unexpected correlation was determined between soil respiration and OM (r = − 0.583*), suggesting that OM increases the retention of CO 2 , a greenhouse gas. The farming techniques analyzed in this study resulted in a reduction of the bacterial diversity, even though the total bacterial biomass augmented. Keywords Olive tree. Olive mill wastewater. Farming soil management. Semi-arid crop culture. 454 pyrosequencing * Haifa Rajhi

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Section: Chemical and Physical Soil Proprietiessupporting

confidence: 84%

Section: Introductionmentioning

confidence: 99%

The Impact of Different Techniques of Soil Management on Soil Fertility and the Associated Bacterial Communities in Semi-arid Olive Tree Fields

Rajhi

Sanz

Abichou³

et al. 2020

J Soil Sci Plant Nutr

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“…Moreover, soil organic matter had been applied as an important factor to predict soil water retention characteristics. Rusan et al 110 were conrmed the function organic matter incorporation into soil continuously in improving soil water retention and plant growth environment. Conversely, soil capacity as well as the crop productivity directly depends on soil degradation and pollution, which determine effecting of soil organic matter and biological diversity.…”

Section: Benets Of Dom On Soilsmentioning

confidence: 99%

Structural characteristics, analytical techniques and interactions with organic contaminants of dissolved organic matter derived from crop straw: a critical review

et al. 2018

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“…These results have been consistent to those obtained by [47] who have showed an increase in soil exchangeable K after application of gradual OMW quantities. Furthermore, [48] demonstrated that the K drastically increased with all OMW treatments compared with the control. We can conclude that OMW constitute a potential source of K showing a high fertilizing potential that can be valued for the rehabilitation of poor soil in this element.…”

Section: Parametersmentioning

confidence: 94%

Agricultural Valorization of Olive Mill Wastewater in Arid Regions of Tunisia: Short-Term Impact on Soil Biochemical Properties and Faba Bean Growth

Dakhli¹,

Gosh²,

Wali³

et al. 2021

Pol. J. Environ. Stud.

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Olive mill wastewater (OMW) is generated seasonally a large amount during the olive oil production in southern Tunisia and it is often discharged in the open environment. OMW has a high amount of phototoxic compounds, high salinity and acidity and therefore is challenging when disposed on soil. However, in southern Tunisia, the condition climatic is arid and semis-arid region. The soil sandy is in degradation and erosion processes. New strategies have been developed to reduce these impacts in soil and to valorize a waste product as olive mill wastewater (OMW) loaded with minerals and organic matters as fertilizer in agronomy. The major aim of this study was to investigate the effects of OMW spraying onto on soil biochemical properties and Faba bean crop productivity was investigated. The result showed that the irrigation of sandy soils by different OMW doses strongly influenced their chemical and microbiological characteristics. Indeed, spreading amounts from 15 m 3 /ha to 45 m 3 /ha for three consecutive years induced a considerable improvement of soil fertility. The pH and soil phosphorus content remain stable during the three years of study, while the soil salinity was increased for the 45 m 3 /ha treatment where it exceeded to 6 dS/m. In conclusions, the dose 15 m 3 /ha is suitable for the vegetative development of the Faba bean tested plant according to the soil characteristics evolution.

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Treated Olive Mill Wastewater Effects on Soil Properties and Plant Growth

Cited by 50 publications

References 30 publications

The Impact of Different Techniques of Soil Management on Soil Fertility and the Associated Bacterial Communities in Semi-arid Olive Tree Fields

The Impact of Different Techniques of Soil Management on Soil Fertility and the Associated Bacterial Communities in Semi-arid Olive Tree Fields

Structural characteristics, analytical techniques and interactions with organic contaminants of dissolved organic matter derived from crop straw: a critical review

Agricultural Valorization of Olive Mill Wastewater in Arid Regions of Tunisia: Short-Term Impact on Soil Biochemical Properties and Faba Bean Growth

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