Fig. 7From: Surface growth stress and wood properties of 8-year-old planted Big-leaf mahogany (Swietenia macrophylla King) from different landrace provenances and trial sites in the PhilippinesThe relationship between FL and VL averaged at each measuring point in each tested tree in two trial sites a Butuan trial site and b Cagayan de Oro trial site. Each bar is ± 1 standard deviationBack to article page