N content (mg∙g⁻¹)

Samples

CP

CR

RF

0 - 10 cm

0.38 ± 0.7 a

0.61 ± 0.5 b

0.83 ± 0.5 b

10 - 20 cm

0.35 ± 0.6 a

0.45 ± 0.8 ab

0.67 ± 0.5 b

20 - 40 cm

0.26 ± 0.1 a

0.11 ± 0.1 b

0.45 ± 0.2 c

Leaf

17.85 ± 1.0 a

21.21 ± 3.0 b

21.27 ± 1.0 b