Table 1.
Samples information

Bioresources	Common name	Scientific name	Age (yrs.)	Density* (g/cm3)	Location
Woody	Red pine	Pinus densiflora	48	0.47	Chuncheon, South Korea
bioresources	Korean white pine	Pinus koraiensis	29	0.45	Chuncheon, South Korea
	Japanese poplar	Populus maximowiczii	34	0.56	Samcheok, South Korea
	Willows	Salix pseudolasiogyne	31	0.58	Chuncheon, South Korea
	Bigcatkin willow	Salix gracilistyla	1	0.15	Chuncheon, South Korea
Herbaceous	Kenaf	Hibiscus cannabinus	1	0.18	Buan, South Korea
bioresources	Evening prim rose	Oenothera odorata	1	0.11	Chuncheon, South Korea
	Corn stover	Zea mays	1	0.16	Chuncheon, South Korea

Air-dried density