Species and

treatment

Plant dry weight (g/pot)

Plant carbon concentration (%)

Plant carbon content (g-C/pot)

Oct-14

Oct-15

Oct-14

Oct-15

Oct-14

Oct-15

Z. matrella

Wet

0.41

±

0.02

5.80

±

0.33

*

41.9

±

0.7

43.2

±

0.3

cz

0.17

±

0.01

2.50

±

0.14

*

O. japonicus

Wet

0.51

±

0.03

3.36

±

0.11

*

41.3

±

0.4

40.9

±

0.3

b

0.21

±

0.01

1.37

±

0.05

*

S. mexicanum

Wet

0.47

±

0.03

3.40

±

0.18

*

Bz

33.6

±

0.8

36.6

±

0.3

*

a

0.16

±

0.01

1.24

±

0.07

*

Bz

Dry

3.37

±

0.12

*

B

37.0

±

0.4

*

a

1.25

±

0.04

*

B

Non

2.70

±

0.11

*

A

36.8

±

0.4

*

a

0.99

±

0.04

*

A