Table 5.
Shearing strength of each province (N/mm²)

Province	Goseong-gun	Hongcheon-gun	Bonghwa-gun
Position
Heartwood	10.63 ± 0 A*	10.75 ± 1.05 A	11.52 ± 1.32 A
Sapwood	8.72 ± 1.35 b	7.14 ± 1.33 b	11.48 ± 0.88 a

Duncan's, significance level: 0.05, ±: standard deviation. Heartwood = Capital letter, Sapwood = Small letter.