Table 6. Ash content of wood chips from logging residues by harvesting and processing methods.
Harvesting and processing methods
Ash content (%)
Avg.
Min.
Max.
S.D.
a
CTL-unscreened
3.84
*
3.24
4.61
0.36
CTL-screened
1.65
*
1.20
2.53
0.28
WT-unscreened
2.12
*
1.82
2.54
0.16
WT-screened
1.06
*
0.83
1.21
0.10
t-test P<0.05,
Standard deviation