Fig. 2From: The flexural lumber properties of Pinus patula Schiede ex Schltdl. & Cham. improve with decreasing initial tree spacing The variation of (a) DBH, (b) height and (c) slenderness after reaching 1.3 m, for the Highlands Plantation only, fitted with a locally weighted smoothing function to all observations (grey lines) for each spacingBack to article page