Fig. 2From: Environmental fate of terbuthylazine and hexazinone in a planted forest steepland Recent Soil, New ZealandChanges over time since spray application in the amount (kg ha−1) of (a) terbuthylazine and (b) hexazinone, within the litter, LFH (filled circles) and at soil depths of 0–10 (open circles), 10–50 (filled triangles) and 50–100 cm (open triangles). Values shown include the mean and standard errorBack to article page