Table 5.

Cultivation effects (subsurface barrier treatments) on mean root number in 0-15 cm depth at 30,90, and 150 cm from outside of barriers for circling barrier treatments and controls combined.

Cultivation (with subsurface barrier)2.0 a4.6 a4.3 a1.8 a3.3 a1.6
No cultivation (without subsurface barrier)5.4 b11.3b8.2 b5.3 b5.5 b1.3
  • Means within columns followed by the same letter are not significantly different using Fisher’s Protected LSD (p=0.05). n.s. = not significantly different. Means calculated from all treatments and replicates combined over each main plot (25 trees) and there were no significant interactions.