Table 1.
Abundance of rhizosphere soil cbbL and 16S rRNA genes, RubisCO activity with different fertilization practices under double rice ecosystem.
| Genes | Treatments | |||
|---|---|---|---|---|
|
| ||||
| MF | RF | OM | CK | |
| cbbL abundance (×108 copies/g) | 1.47 ± 0.06c | 1.86 ± 0.07b | 2.95 ± 0.10a | 0.54 ± 0.03d |
| Bacterial abundance (×109 copies/g) | 13.72 ± 0.68c | 19.63 ± 0.97b | 24.38 ± 1.05a | 6.69 ± 0.33d |
| RubisCO activity (nmol CO2/g/min) | 4.27 ± 0.16b | 5.17 ± 0.21a | 5.36 ± 0.22a | 3.56 ± 0.16c |
MF: inorganic fertilizer; RF: straw returning; OM: organic and inorganic fertilizer; CK: without any fertilizer input as a control.
Values expressed as mean ± standard error.
Different lower case letters indicate significant difference among fertilizer treatments at p < 0.05.