Table 3.
Effects of a microbial restoration substrate on soil properties in the tomato rhizosphere.
| Treatment | 30 days | 60 days | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| pH | SOC (gkg−1) | TN (%) | TP (%) | TK (%) | EC (cmol kg−1) | pH | SOC (gkg−1) | TN (%) | TP (%) | TK (%) | EC (cmol kg−1) | |
| TR | 7.30 ± 0.10a | 93.22 ± 2.70a | 0.37 ± 0.02a | 0.24 ± 0.01a | 1.69 ± 0.06a | 21.70 ± 0.43a | 7.17 ± 0.06a | 89.26 ± 3.46a | 0.35 ± 0.01a | 0.22 ± 0.02a | 2.11 ± 0.02a | 20.72 ± 1.77a |
| CK | 5.27 ± 0.06b | 25.23 ± 0.5b | 0.12 ± 0.01b | 0.17 ± 0.01b | 1.65 ± 0.02b | 4.32 ± 0.18b | 5.03 ± 0.06b | 24.91 ± 1.5b | 0.12 ± 0.02b | 0.17 ± 0.01b | 2.10 ± 0.02a | 4.71 ± 0.34b |
| Treatment | 90 days | 120 days | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| pH | SOC (gkg−1) | TN (%) | TP (%) | TK (%) | EC (cmol kg−1) | pH | SOC (g kg−1) | TN (%) | TP (%) | TK (%) | EC (cmol kg−1) | |
| TR | 7.09 ± 0.01a | 87.80 ± 2.19a | 0.34 ± 0.02a | 0.21 ± 0.02a | 2.09 ± 0.03a | 20.82 ± 1.11a | 7.08 ± 0.05 c | 85.41 ± 3.18a | 0.29 ± 0.02a | 0.18 ± 0.02a | 2.08 ± 0.01a | 20.52 ± 2.32a |
| CK | 4.70 ± 0.10b | 25.11 ± 1.9b | 0.11 ± 0.01b | 0.16 ± 0.01b | 2.14 ± 0.02a | 4.85 ± 0.11b | 4.52 ± 0.20g | 23.89 ± 2.3b | 0.11 ± 0.01b | 0.15 ± 0.01b | 2.12 ± 0.02a | 4.67 ± 0.37b |
Data are means ± standard deviation (n = 3).
SOC soil organic carbon, TN total nitrogen, TP total phosphorus, TK total potassium, EC exchangeable calcium.
*Values within a row followed by the same letter are not significantly different at P ≤ 0.05.