Table 1 Concentrations (g kg−1) and ratios of plant and soil nutrients (mean ± SE).

From: The coupling of leaf, litter, and soil nutrients in warm temperate forests in northwestern China

Component Plant type/origin C N P C:N N:P C:P
Leaf Broadleaf 451.60 ± 2.90b 20.23 ± 0.73a 1.42 ± 0.06a 20.06 ± 1.37b 15.19 ± 0.45a 365.59 ± 13.89b
Conifer 501.06 ± 4.18a 10.65 ± 0.49b 0.96 ± 0.05b 51.60 ± 3.38a 11.63 ± 0.54b 566.92 ± 28.63a
Natural forest 461.70 ± 3.49a 16.70 ± 0.45b 1.24 ± 0.06a 31.03 ± 1.79a 14.54 ± 0.51a 422.86 ± 16.68a
Plantation 464.57 ± 5.20a 19.73 ± 1.37a 1.41 ± 0.07a 32.98 ± 2.81a 14.17 ± 0.60a 397.45 ± 24.94a
All 462.97 ± 3.01A 18.04 ± 0.67A 1.32 ± 0.05A 31.89 ± 1.59A 14.38 ± 0.39B 411.61 ± 14.42B
Litter Broadleaf 351.70 ± 5.22b 13.10 ± 0.34a 0.92 ± 0.02a 28.70 ± 0.72b 15.28 ± 0.41a 423.84 ± 13.15b
Conifer 410.42 ± 7.67a 9.77 ± 0.42b 0.70 ± 0.05b 44.73 ± 1.80a 16.02 ± 0.99a 737.83 ± 70.86a
Natural forest 365.71 ± 5.44a 11.92 ± 0.25a 0.85 ± 0.03a 32.02 ± 0.75a 15.21 ± 0.45a 475.58 ± 15.59a
Plantation 364.38 ± 8.61a 12.86 ± 0.61a 0.89 ± 0.04a 32.79 ± 1.80a 15.75 ± 0.66a 520.80 ± 45.66a
All 365.12 ± 4.85B 12.34 ± 0.30B 0.87 ± 0.02B 32.36 ± 0.90A 15.45 ± 0.38A 495.61 ± 21.99A
Soil Broadleaf 15.81 ± 0.84a 1.35 ± 0.07a 0.57 ± 0.04a 11.86 ± 0.25b 2.84 ± 0.14a 33.51 ± 1.77a
Conifer 15.43 ± 1.48a 1.08 ± 0.08b 0.44 ± 0.03a 14.23 ± 0.62a 2.89 ± 0.23a 40.45 ± 3.46a
Natural forest 17.20 ± 0.98a 1.45 ± 0.08a 0.54 ± 0.05a 11.98 ± 0.27a 3.39 ± 0.16a 40.78 ± 2.17a
Plantation 13.86 ± 1.05b 1.09 ± 0.08b 0.56 ± 0.03a 12.94 ± 0.45a 2.17 ± 0.14b 27.95 ± 2.00b
All 15.72 ± 0.73C 1.29 ± 0.06C 0.54 ± 0.03C 12.40 ± 0.25B 2.85 ± 0.12C 35.10 ± 1.59C
  1. Different lowercase letters indicate significant differences between plant forms. Different uppercase letters indicate significant differences between components (P < 0.05).