The thinningintensity and seed production per unit area wereclosely interrelated;
疏伐强度与母树林单位面积产种量相关密切；
2
While standard degree of closing of the plantation reached 0.85, current annual increment of DBH started to decline, and the intensity of thinning should not exceed 30%.
林分标准郁闭度达0.85以上时，胸径连年生长量已下降，株数间伐强度以不超过30%为宜。
3
Trial result showed that different intensity of tending and thinning possesses remarkable influence to woody D. B. h.