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Catalytic digestion with MnO 2 was shown to be a suitable treatment for promoting organic matter humification in olive oil mill wastewater in order to increase its potential as a soil amendment and reduce environmental risk. In this study, the effects of addition of either lagooned wastewater (LW) or catalytically digested wastewater (CW) at two rates on soil and soil humic acid (HA) properties...
The effect of the consecutive annual additions of pig slurry at rates of 0 (control), 90 and 150m 3 ha −1 y −1 over a 4-year period on the binding affinity for Cu(II) of soil humic acids (HAs) and fulvic acids (FAs) was investigated in a field plot experiment under semiarid conditions. A ligand potentiometric titration method and a single site model were used for determining...
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