After 5'/i years of growth, the high density BBR and BBBR systems of the main experimental site showed an increase in tappable trees with values of 69 and 72% respectively, compared with the sole (51 %) and BR (60%) treatments.
After 5'/i years of growth, the highdensity BBR and BBBR systems of the main experimental site showed an increase intappable trees with values of 69 and 72% respectively, compared with the sole (51 %)and BR (60%) treatments.