Table 4. Fine (<3.15 mm) fraction rate of wood chips from logging residues by timber harvesting and processing methods.
Harvesting and processing methods
Fine fraction rate (%)
Avg.
Min.
Max.
S.D.
a
CTL-unscreened
8.47
*
7.47
9.72
1.15
CTL-screened
0.13
*
0.07
0.18
0.06
WT-unscreened
10.60
*
8.97
12.13
1.58
WT-screened
0.36
*
0.25
0.49
0.12
t-test P<0.05,
Standard deviation