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Table 1 Initial root traits of different branch orders in P. asperata

From: Do root modules still exist after they die?

Root order

Root diameter (mm)

N (g∙kg− 1)

P (g∙kg− 1)

C/N

C/P

Order 1

0.29 ± 0.02c

11.1 ± 0.4a

0.81 ± 0.01a

30 ± 2d

410 ± 21d

Order 2

0.33 ± 0.03c

9.0 ± 0.1b

0.64 ± 0.01b

39 ± 4c

553 ± 61c

Order 3

0.46 ± 0.04b

7.7 ± 0.2c

0.52 ± 0.04c

55 ± 7b

815 ± 92b

Order 4

0.50 ± 0.07b

5.7 ± 0.1d

0.49 ± 0.03c

81 ± 5a

945 ± 64b

Order 5

0.64 ± 0.07a

5.5 ± 0.2d

0.37 ± 0.03d

89 ± 5a

1322 ± 94a

  1. Different lowercases indicate a significant difference in variables among orders