Fig. 1. Freundlich isotherm, x = kCn, for (a) B sorption on the untreated soils and those (b) treated with 20 g Fly ash I kg-1 soil.
Fig. 1. Freundlich isotherm, x = kCn, for (a) B sorption on the untreated soils and those (b) treated with 20 g Fly ash I kg-1 soil.