Conifer logs from cultivated forests - a resource with different characteristics, different possibilities and different value than conifer logs from old growth forests

anchura anillo de crecimiento arbre pour bois de construction aserrado bois de coeur bois de jeunesse bois rond branche branches cerne classement duramen forest plantations grading growth disorders growth rings heartwood industria maderera industrie du bois juvenile wood largeur madera en rollo madera joven natural regeneration ramas roundwood sawing sciage timber trees trastornos del crecimiento trouble de la croissance uses usos utilisation width wood industry