Table 5. A newly established production system adjusted to the harvest target reflecting the growth characteristics of Chamaecyparis obtusa plantations

Thinning prescriptions	Thinning methods			DBH(cm)	Height(m)	Stand density(trees・ha−1)	Volume(m3・ha−1)	Thinning intensity(%)
	no.	age	before/after
A	1st	15	before	12.4	9.6	2,704	142.2	40
			after	14.4	9.6	1,622	117.2
	2nd	23	before	17.1	13.0	1,546	210.5	40
			after	20.0	13.0	927	173.1
	3rd	37	before	23.7	17.5	884	310.9	30
			after	26.6	17.5	619	273.0
	4th	53	before	29.7	21.3	598	401.8	30
			after	33.2	21.3	419	352.9
B	1st	18	before	12.4	9.6	2,706	141.7	40
			after	14.4	9.6	1,623	116.6
	2nd	27	before	16.8	12.6	1,556	199.5	30
			after	18.8	12.6	1,088	174.4
	3rd	39	before	21.4	15.8	1,048	269.9	30
			after	23.9	15.8	733	236.3
C	1st	22	before	12.3	9.4	2,714	137.6	45
			after	14.6	9.4	1,493	108.1