Fig. 7. Carbon (A) and N (B) contents in the loblolly pine plots in 1982, 1986, and 2000. Error bars denote standard errors and letters denote significant differences (p < 0.05) using Bonferonni post-hoc tests.
Fig. 7. Carbon (A) and N (B) contents in the loblolly pine plots in 1982, 1986, and 2000. Error bars denote standard errors and letters denote significant differences (p < 0.05) using Bonferonni post-hoc tests.