Fig. 2. Effect of concentration of dissolved organic matter (DOM) derived from sludge (S) and sludge compost (P) on the Cu sorption onto the acidic (A) and calcareous (C) soils with an initial Cu concentration of 40 mg L-1.
Fig. 2. Effect of concentration of dissolved organic matter (DOM) derived from sludge (S) and sludge compost (P) on the Cu sorption onto the acidic (A) and calcareous (C) soils with an initial Cu concentration of 40 mg L-1.