Table 3. Nutrient concentration of bamboo components in plantation and expansion treatments of Phyllostachys nigra var. henonis.

Component	Treatment	Nutrient (mg g−1)
		C	N	P	K	Ca	Mg
Culm	Plantation	450.87 (0.68)a	2.85 (0.37)a	0.83 (0.08)a	4.62 (1.46)a	0.37 (0.11)a	0.41 (0.10)a
	Expansion	449.13 (0.84)a	0.95 (0.11)b	0.28 (0.08)b	2.73 (0.30)a	0.43 (0.04)a	0.16 (0.03)b
Branches	Plantation	444.21 (1.47)a	7.01 (0.97)a	0.99 (0.18)a	6.53 (1.99)a	0.39 (0.04)a	0.30 (0.02)a
	Expansion	451.34 (9.71)a	3.09 (0.17)b	0.30 (0.04)b	3.17 (0.32)a	0.39 (0.02)a	0.12 (0.02)b
Foliage	Plantation	422.52 (3.80)a	25.64 (1.11)a	1.38 (0.13)a	5.41 (0.73)a	6.94 (0.67)a	1.33 (0.15)a
	Expansion	413.76 (8.56)a	21.25 (0.58)b	1.08 (0.02)a	7.09 (0.36)a	5.52 (0.49)a	0.71 (0.05)b
Root	Plantation	349.40 (17.92)a	4.43 (0.16)a	0.78 (0.03)a	2.49 (0.18)a	1.10 (0.27)a	1.11 (0.14)a
	Expansion	342.25 (18.24)a	3.74 (0.34)a	0.61 (0.02)b	2.12 (0.17)a	3.23 (1.50)a	1.15 (0.03)a

Values in parenthesis are standard error (n=6). Different letters between plantation and expansion treatments represent a significant difference at P < 0.05.