Table 8. Productivity in felling operation by stroke harvester.

Classification	Items	Value
		Pinus rigida	Quercus mongolica
Observed value	The number of felling (cycle)	80	29
	The number of timber felling (tree)	80	29
	The volume of timber felling (m3)	34.35	9.28
	Felling times (sec)	5,233	2,946
	Number of operator (man)	1	1
Average per times	The volume of timber felling (m3/cycle)	0.43	0.32
	Felling time (sec/cycle)	65	102
Average per hour	The number of felling (cycle/hour)	96.1	75.1
	The volume of timber felling (m3/hour)	40.9	23.0
Average per day	The number of felling (cycle/day)	768.8	600.8
	The volume of timber felling (m3/day)	327.4	183.7

Note) Productive time per day is 8 hours.