Fig. 1From: Importance of biomass management acts and policies after phytoremediationPhotosynthetic rates of chestnut tree (30 °C, 400 ppm CO2) by treatments. Symbols and bars represent mean ± SE of four replicates. Symbols having the same letter are not significantly different at the 0.05 level. Typha T. angustifolia, Phragmites P. australis Back to article page