Fig. 6

Comparisons of biomass allocation of R. pseudoacacia and S. japonica grown in different water regimes (mean±SE, n = 5) at the end of experiment. a LMR, b SMR, c RMR, and d R/S. Different letters denote significant differences in each species at p ≤ 0.05 by Duncan’s test. W1, W2, and W3: 75%, 55%, and 35% of field capacity