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close this section of the library Mani, Janice Sandra


View the PDF document Physicochemical analysis of sewage sludge and its potential as soil amendment for agricultural purposes
Author:Mani, Janice Sandra
Institution: The University of the South Pacific
Award: M.Sc. Chemistry
Subject: Sewage sludge | Analysis, Sewage sludge as fertilizer, Organic wastes as soil amendments
Date: 2017
Call No.: TD 767 .M36 2017
BRN: 1361172
Copyright:Under 10% of this thesis may be copied without the authors written permission

Abstract: The extent of contamination by trace metals such as Pb, Ni, Cu, Zn, Mn, Cr and Cd in sewage sludge (SS) and sludge amended soils to the terrestrial and aquatic environments are assessed by the analysis of the total trace metals. However the degree of toxicity and effect of trace metals are highly related to their bioavailability. Accordingly, the present pot experiment was conducted to evaluate the potential of SS obtained from Kinoya Waste Water Treatment Plant (WWTP) (Fiji) as a soil amendment for agricultural purposes by assessing the total and bioavailable trace metal content, physicochemical parameters (pH, Electrical Conductivity (EC), Cation Exchange Capacity (CEC), %Total Organic Matter (%TOM), %Total Organic Carbon (TOC) and moisture content) and nutrient availability (nitrate-nitrogen, phosphorus, calcium, potassium, magnesium and sodium) in the 0, 20, 40, 60, 80 and 100% SS amendment rates.
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