Table 3.
Effects of different treatments on microbial populations in ginger rhizosphere
Treatment | Microbial biomass (×106 CFU g−1) | Bacteria (×106 CFU g−1) | Actinomycetes (×105 CFU g−1) | Fungi (×104 CFU g−1) | Percentage (%) | Bacteria/Fungi | ||
---|---|---|---|---|---|---|---|---|
Bacteria | Actinomycetes | Fungi | ||||||
0–20 cm | ||||||||
Control | 2.23 ± 0.05d | 2.03 ± 0.05d | 1.83 ± 0.13b | 1.60 ± 0.20a | 91.07 | 8.21 | 0.72 | 126.49 |
WI‐N100% | 2.13 ± 0.05d | 1.83 ± 0.06d | 2.83 ± 0.22a | 1.60 ± 0.13a | 85.96 | 13.29 | 0.75 | 114.61 |
MI‐N100% | 2.57 ± 0.21c | 2.43 ± 0.21c | 1.30 ± 0.07c | 0.53 ± 0.06b | 94.73 | 5.06 | 0.21 | 451.10 |
MI‐N85% | 3.67 ± 0.28a | 3.57 ± 0.29a | 0.93 ± 0.07d | 0.63 ± 0.11c | 97.28 | 2.55 | 0.17 | 572.24 |
MI‐N70% | 3.09 ± 0.26b | 3.03 ± 0.17b | 0.50 ± 0.05e | 1.10 ± 0.14c | 98.03 | 1.62 | 0.36 | 272.31 |
20–40 cm | ||||||||
Control | 0.53 ± 0.01d | 0.43 ± 0.02d | 0.80 ± 0.16c | 1.47 ± 0.18b | 82.07 | 15.15 | 2.78 | 29.52 |
WI‐N100% | 0.78 ± 0.07c | 0.63 ± 0.07c | 1.37 ± 0.07a | 1.13 ± 0.08c | 80.77 | 17.56 | 1.45 | 55.70 |
MI‐N100% | 1.89 ± 0.20a | 1.77 ± 0.21a | 1.17 ± 0.08b | 0.53 ± 0.04d | 93.54 | 6.18 | 0.28 | 334.07 |
MI‐N85% | 1.06 ± 0.13b | 1.03 ± 0.13b | 0.23 ± 0.06d | 0.60 ± 0.08d | 97.24 | 2.20 | 0.56 | 173.64 |
MI‐N70% | 1.10 ± 0.02b | 0.97 ± 0.09b | 1.10 ± 0.03b | 2.03 ± 0.07a | 88.12 | 10.03 | 1.85 | 47.63 |
Values presented are mean ± standard error (n = 3). Means sharing the same lowercase letter are not significantly different between treatments (P < 0.05).