Fig. 1. Copper sorption isotherm of the acidic (A) and calcareous (C) soils with and without the addition of 400 mg C L-1 of the sludge or sludge compost dissolved organic matter (DOM).
Fig. 1. Copper sorption isotherm of the acidic (A) and calcareous (C) soils with and without the addition of 400 mg C L-1 of the sludge or sludge compost dissolved organic matter (DOM).