A Case Study of the Effects of Sewage Sludge Application on Soil Properties and Heavy Metal Availability in the Thessaloniki Plain (Greece)

Tziachris, Panagiotis; Lekakis, Emanuel; Zambetoglou, K.; Metaxa, I.; Papadopoulos, Frantzis

doi:10.1007/s12649-016-9766-z

Cited by 7 publications

(5 citation statements)

References 58 publications

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“…The increase in the soil EC values can be explained by the high EC value of 8.69 dS m −1 of the sewage sludge (Table 1). Parallel to our findings, many studies have reported that salinity increases with the addition of saline sewage sludge into soils (Hussein 2009;Angin and Yagaoglu 2011;Tziachris et al 2017).…”

Section: Effects Of Sludge Amendment On Clay Soil Chemical Propertiessupporting

confidence: 89%

Effects of sewage sludge amendment and wetting–drying cycles of wastewater irrigation on structural improvement of clay soil

Badaou

Şahin

2021

Int. J. Environ. Sci. Technol.

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Improving the structure of clay soils with sewage sludge to achieve better aeration and infiltration is one of the practical ways to maintain sustainable use of agricultural land. Furthermore, wetting-drying processes on the surface caused by changing irrigation intervals can supplement benefits to structural improvement under wastewater irrigation conditions. Therefore, a laboratory model study was carried out using three sewage sludge doses (50, 100, and 150 Mg ha −1 ), two types of water (freshwater, recycled wastewater) and three irrigation intervals (4, 8, and 12 days; as wetting-drying cycles) in clay soil containers. The highest dose caused a lower pH (6.92) and particle density (2.612), while organic matter (4.33%), CaCO 3 (2.21%), electrical conductivity (2.476 dS m −1 ), wet aggregate stability (74.3%), field capacity (0.395 m 3 m −3 ), stable and mean infiltration rates (10.4 and 13.9 mm h −1 ) increased. Wastewater increased electrical conductivity, CaCO 3 content and bulk density, and decreased porosity and macro-porosity. The highest irrigation interval decreased particle density, and increased electrical conductivity and organic matter content. The moderate irrigation interval was the most effective option in delivering higher mean infiltration rates. It can be concluded that adding sewage sludge to clay soil, especially at a dose of 150 Mg ha −1 is an appropriate option to improve infiltration with better wet aggregate stability. Wastewater irrigation in clay soil can be a practical way both to dispose waste and to save freshwater. Long irrigation intervals can maintain organic matter for a longer time.

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Section: Effects Of Sludge Amendment On Clay Soil Chemical Propertiessupporting

confidence: 89%

Effects of sewage sludge amendment and wetting–drying cycles of wastewater irrigation on structural improvement of clay soil

Badaou

Şahin

2021

Int. J. Environ. Sci. Technol.

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“…In addition, the effects on the physical and mechanical characteristics of the soil [ 13 , 14 , 15 ], on the behavior of heavy metals in the soil and in the soil–plant system and the hazard of environmental impact [ 16 , 17 ] should be evaluated. The bioavailable heavy metal fraction, which is potentially assimilated by biota or liscivable, is of great interest in soil contamination studies because it is the environmentally most mobile [ 18 , 19 ].…”

Section: Introductionmentioning

confidence: 99%

Effects of Medium-Term Amendment with Diversely Processed Sewage Sludge on Soil Humification—Mineralization Processes and on Cu, Pb, Ni, and Zn Bioavailability

Rossi

Beni

2018

Plants

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The organic fraction of sewage sludge administered to agricultural soil can contribute to slowing down the loss of soil’s organic carbon and, in some cases, can improve the physical and mechanical properties of the soil. One of the main constraints to the agricultural use of sewage sludge is its heavy metals content. In the long term, agricultural administration of sewage sludge to soil could enhance the concentration of soil heavy metals (as total and bioavailable fractions). The aim of this research was to evaluate the effects of medium-term fertilization with diversely processed sewage sludge on the soil’s organic carbon content and humification–mineralization processes, on the physical–mechanical properties of soil and their influence on the pool of potentially bioavailable heavy metals, in order to assess their effectiveness as soil organic amendments. After eight years of sludge administration; an increase in the concentrations of bioavailable form was evidenced in all the heavy metals analyzed; independently of the type of sludge administered. The form of sludge administration (liquid, dehydrated, composted) has differently influenced the soil humification–mineralization processes and the physical–mechanical properties of soil. The prolonged amendment with composted sewage sludge contributed to keeping the soil humification–mineralization process in equilibrium and to improving the physical and mechanical qualities of the treated soil.

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“…The agricultural utilization of sludge has been considered as an environmentally acceptable management strategy [9]. SS contains high levels of organic matter (20% and more) and essential plant nutrients that can help/enhance crop production [10][11][12][13].…”

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confidence: 99%

Effects of Food Industry Wastewater Treatment Sludge on Corn Plant Development and Soil Properties

Bıyıklı¹,

Dorak²,

Aşik³

2020

Pol. J. Environ. Stud.

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A Case Study of the Effects of Sewage Sludge Application on Soil Properties and Heavy Metal Availability in the Thessaloniki Plain (Greece)

Cited by 7 publications

References 58 publications

Effects of sewage sludge amendment and wetting–drying cycles of wastewater irrigation on structural improvement of clay soil

Effects of sewage sludge amendment and wetting–drying cycles of wastewater irrigation on structural improvement of clay soil

Effects of Medium-Term Amendment with Diversely Processed Sewage Sludge on Soil Humification—Mineralization Processes and on Cu, Pb, Ni, and Zn Bioavailability

Effects of Food Industry Wastewater Treatment Sludge on Corn Plant Development and Soil Properties

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