Effect of logging residue removal and mechanical site preparation on productivity of the subsequent Scots pine (Pinus sylvestris L.) stands

Table 4 Results of two-way ANOVA, presenting the effects of mechanical site preparation (MSP), logging residue treatment (LR), and their interactions on tree height, DBH, and basal area of sampled Scots pines 12 years after planting

Source of variation	Tree height				DBH				Basal area
Source of variation	Df	MS	F	p	Df	MS	F	p	Df	MS	F	p
MSP	2	34.5	50.0	<0.0001	2	193.3	89.6	<0.0001	2	40.1	18.3	<0.0001
LR	4	0.6	0.8	0.4979	4	11.0	5.1	0.0004	4	1.4	0.6	0.6425
MSP x LR	8	0.4	0.5	0.8466	8	2.4	1.1	0.3466	8	1.3	0.6	0.7898
Error	2.7	0.7			11.0	2.2			29	2.2

ISSN: 1297-966X