Table 2. Soil bulk density increase (%) in wheel-track by treatment and depth (mean ± SD). p-values from two-way ANOVA for the main effect of treatment.

Depth (cm) Winch-assist Non winch-assist ANOVA p-value
5 15.22±22.22 26.17±20.64 0.005**
15 12.78±20.96 18.88±22.19
25 0.72±15.31 15.73±17.13
p < 0.05
p < 0.01
p < 0.001