Fig. 8. Phosphorus concentration in outflow water for Hudson columns under unsaturated flow (0.2 cm h-1 flow rate): (a) Total P, (b) Ortho P, and (c) Organic P. Shaded areas indicate periods when phytate P was added.
Fig. 8. Phosphorus concentration in outflow water for Hudson columns under unsaturated flow (0.2 cm h-1 flow rate): (a) Total P, (b) Ortho P, and (c) Organic P. Shaded areas indicate periods when phytate P was added.