Table 5.
Thickness swelling of three wood species at different boron solution concentrations and different compression ratios

Treatment	Thickness swelling (mm)
	Species
	Nyatoh	Pisang Putih	Sepetir
	None (control)	0.89 ± 0.20^a	0.65 ± 0.16^a	0.91 ± 0.17^a
	2B0CR	0.73 ± 0.16^a	0.68 ± 0.14^a	0.80 ± 0.37^a
5B0CR	0.73 ± 0.15^a	0.68 ± 0.22^a	0.75 ± 0.29^a
0B20CR	2.32 ± 0.49^b	2.36 ± 0.52^bc	2.52 ± 0.36^bcd
2B20CR	2.65 ± 0.48^cd	2.70 ± 0.37^d	2.77 ± 0.34^d
5B20CR	2.57 ± 0.50^bcd	2.69 ± 0.45^d	2.73 ± 0.44^d
0B40CR	4.23 ± 0.34^e	4.53 ± 0.49^f	5.00 ± 0.46^g
2B40CR	5.14 ± 0.35^g	5.19 ± 0.63^g	5.58 ± 0.58^h
5B40CR	5.10 ± 0.32^g	5.03 ± 0.41^g	5.11 ± 0.74^g

Note: Thickness values are averages of 15 replications. Values within a column followed by the same letter are not significantly different at 5% significance level using Duncan s multiple range test.