Figure 4 | Scientific Reports

Figure 4

From: Increased nitrogen supply promoted the growth of non-N-fixing woody legume species but not the growth of N-fixing Robinia pseudoacacia

Figure 4

Differences in leaf traits of Sophora japonica, Robinia pseudoacacia, and Senna surattensis. (A) Specific leaf area (n = 27–35); (B) Chlorophyll concentration (n = 27–35); (C) Leaf nitrogen (N) concentration (n = 27–35); (D) Leaf phosphorus (P) concentration (n = 27–35); (E) Leaf nitrogen to phosphorus (N:P) ratio (n = 27–35). Different letters for each species denote significant differences (p ≤ 0.05).

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