TABLE 4.
Effect HNF PGPR inoculant as seed treatment (ST = 20 g/kg seed) combined soil application (SA = g/ha) on the abundance of N fixers and PGPR (Azotobacter sp and Azospirillum sp) in rice rhizomicrobiome.
Inoculant Application |
Azotobacter sp (x 107 CFU) |
Increment (%) |
Azospirillum sp (x 108 CFU) |
Increments (%) |
Po = control | 1.33 ab | – | 0.63 a | – |
P1 = 500 g SA | 1.37 ab | 3.0 | 0.80 ab | 27.0 |
P2 = 1000 g SA | 1.55 b | 16.5 | 1.23 bc | 95.2 |
P3 = 1500 g SA | 1.73 c | 30.5 | 1.73 dc | 174.6 |
P4 = 20 g ST/kg seed. mg/plant | 1.30 a | −2.3 | 0.70 a | 11.1 |
P5 = 20 g ST + 500 g SA | 1.53 b | 15.0 | 1.30 bc | 106.3 |
P6 = 20 ST + 1000 g SA | 1.77 c | 33.1 | 1.63 cd | 158.7 |
P7 = 20 ST + 1500 g SA | 2.80 d | 110.5 | 2.13 d | 238.1 |
Average value followed by the same letter within same column were not different significantly DMRT 0.05%.