Nitrate Sorption in an Agricultural Soil Profile

Figure 3

Effect of initial NO₃⁻ concentration on NO₃⁻ sorption for 4 soil depths from a batch experiment using an iso-humic soil from Chott Meriam, Tunisia (25, 50, 75, 100, 125, and 150 mg L⁻¹, 22°C, 24 h, and soil mass = 5 g).