Table 2 Soil organic carbon (SOC), total nitrogen (TN), and total phosphorus (TP) contents (g kg−1) in the rhizosphere and bulk soil in the treatments.

From: Elevated CO2 and nitrogen addition have minimal influence on the rhizospheric effects of Bothriochloa ischaemum

Treatment

SOC content

TN content

TP content

Rhizosphere

Bulk soil

Rhizosphere

Bulk soil

Rhizosphere

Bulk soil

AN0

1.51 ± 0.13

1.48 ± 0.07

0.18 ± 0.02

0.19 ± 0.03

0.56 ± 0.01b

0.57 ± 0.01b

AN1

1.47 ± 0.14

1.53 ± 0.07

0.18 ± 0.02

0.19 ± 0.03

0.56 ± 0.02ab

0.57 ± 0.00b

AN2

1.44 ± 0.17

1.55 ± 0.12

0.19 ± 0.01

0.20 ± 0.02

0.54 ± 0.02ab

0.57 ± 0.01ab

EN0

1.54 ± 0.11

1.54 ± 0.02

0.20 ± 0.03

0.20 ± 0.03

0.55 ± 0.01ab

0.57 ± 0.01ab

EN1

1.53 ± 0.06

1.54 ± 0.06

0.19 ± 0.02

0.20 ± 0.02

0.53 ± 0.03a

0.56 ± 0.01ab

EN2

1.53 ± 0.19

1.58 ± 0.01

0.19 ± 0.02

0.20 ± 0.02

0.53 ± 0.03a

0.56 ± 0.01a

  1. Different letters within a column indicate significant differences between treatments.