pine sapling grow in a forest glade in summer. young pine trees grow in the forest

advance afforestation aftergrowth arboriculture breed breeding conifer coniferous crop fir firtree forest forestry glade grass green grew grow growing growth husbandry management nature northern pine plant regrowth sandy sapling science second sector self selfseeding silviculture small softwood soil sown species spruce staddle summer sylviculture system taiga tamarack tree trees undergrowth wood young zone