JEQ -- Yu et al. 31 (4): 1129 Figure IG1

Click on image to view larger version.

Fig. 1. Isotherms of Cu²⁺ adsorption in the two red soils. RAR, red soil developed on Arenaceous rock (clayey, mixed siliceous thermic typic Dystrochrept); REQ, red soil developed on Quaternary red earths (clayey, kaolinitic thermic plinthite Aquult).