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

Table 3 Results of ANOVA, presenting the p values for the effects of mechanical site preparation and logging residue treatment on seedling survival, DBH (diameter at breast height), tree height, basal area, and stand density of sampled Scots pines 1 year and 12 years after planting

Source of variation	Mechanical site preparation		Logging residue treatment
Source of variation	1 year after planting	12 years after planting	1 year after planting	12 years after planting
Survival of seedlings	ns	-	ns	-
Tree height	ns	***	*	**
DBH	-	***	-	***
Stand density	-	*	-	ns
Basal area	-	***	-	ns

*Significant at p < 0.05. **Significant at p < 0.01. ***Significant at p < 0.001, ns not significant

ISSN: 1297-966X