Fig. 7From: The flexural lumber properties of Pinus patula Schiede ex Schltdl. & Cham. improve with decreasing initial tree spacing Parameter estimates and 95% confidence intervals for the α1 parameter of Eq. (5) in (a) and the α0, α2 and α3 parameters of Eq. (6) in (b), (c) and (d) for the prediction of WD. Different letters denote significant differences.Back to article page