From: Environmental fate of terbuthylazine and hexazinone in a planted forest steepland Recent Soil, New Zealand
Soil depth (cm)
pH
Total Ca (%)
Fine earth (<2 mm) bulk densityb (g cm−3)
0–10
5.6 (0.41)
5.4 (0.31)
0.52 (0.03)
10–50
5.3 (0.80)
2.6 (0.28)
0.52 (0.02)
50–100
4.9 (0.93)
0.8 (0.11)
0.75 (0.16)