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Capability of the Invasive Tree Prosopis glandulosa Torr. to Remediate Soil Treated with Sewage Sludge

Abbas, Ahmed Mahmoud ; Abd-Elmabod, Sameh K. ; El-Ashry, Soad M. ; Soliman, Wagdi Saber ; El-Tayeh, Noha ; Castillo, Jesus M.

Sustainability, 2019-05, Vol.11 (9), p.2711 [Periódico revisado por pares]

Basel: MDPI AG

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Título:
Capability of the Invasive Tree Prosopis glandulosa Torr. to Remediate Soil Treated with Sewage Sludge
Autor: Abbas, Ahmed Mahmoud ; Abd-Elmabod, Sameh K. ; El-Ashry, Soad M. ; Soliman, Wagdi Saber ; El-Tayeh, Noha ; Castillo, Jesus M.
Assuntos: Acidic soils ; Agriculture ; Arsenic ; Bioavailability ; Biomass ; Cadmium ; Chromium ; Complications ; Copper ; Environmental impact ; Fertilization ; Invasive plants ; Iron ; Leaves ; Metal concentrations ; Metals ; Municipal wastes ; Municipal wastewater ; Nickel ; Organic matter ; Prosopis ; Seeds ; Sewage sludge ; Sewage treatment ; Sludge ; Soil amendment ; Soil remediation ; Soil treatment ; Soils ; Trees ; Waste treatment ; Wastewater treatment ; Zinc
É parte de: Sustainability, 2019-05, Vol.11 (9), p.2711
Descrição: Sewage sludge improves agricultural soil and plant growth, but there are hazards associated with its use, including high metal(loid) contents. An experimental study was conducted under greenhouse conditions to examine the effects of sewage sludge on growth of the invasive tree Prosopis glandulosa, as well as to determine its phytoremediation capacity. Plants were established and grown for seven months along a gradient of sewage sludge content. Plant traits, soil properties, and plant and soil concentrations of N, P, K, Cd, Pb, Cu, Ni, Zn, Cr, Co, As, and Fe were recorded. The addition of sewage sludge led to a significant decrease in soil pH, and Ni, Co, and As concentrations, as well as an increase in soil organic matter and the concentrations of N, P, Cu, Zn, and Cr. Increasing sewage sludge content in the growth medium raised the total uptake of most metals by P. glandulosa plants due to higher biomass accumulation (taller plants with more leaves) and higher metal concentrations in the plant tissues. P. glandulosa concentrated more Cd, Pb, Cu, Zn, and Fe in its below-ground biomass (BGB) than in its above-ground biomass (AGB). P. glandulosa concentrated Ni, Co, and As in both BGB and AGB. P. glandulosa has potential as a biotool for the phytoremediation of sewage sludges and sewage-amended soils in arid and semi-arid environments, with a potential accumulation capability for As in plant leaves.
Editor: Basel: MDPI AG
Idioma: Inglês

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Capability of the Invasive Tree Prosopis glandulosa Torr. to Remediate Soil Treated with Sewage Sludge

Abbas, Ahmed Mahmoud ; Abd-Elmabod, Sameh K. ; El-Ashry, Soad M. ; Soliman, Wagdi Saber ; El-Tayeh, Noha ; Castillo, Jesus M.

Basel: MDPI AG

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