Table 1 Pre-sowing analyses of soil and organic amendments.
From: Potential role of compost mixed biochar with rhizobacteria in mitigating lead toxicity in spinach
Characteristics | Soil | Biochar | Compost | Characteristics | B. amyloliquefaciens | A. faecalis |
|---|---|---|---|---|---|---|
Textural class | Loam | – | – | IAA with l-Tryptophan (µgml-1) | 22.23 | 15.33 |
pHs | 8.35 | 8.04 | 5.30 | |||
ECe (dS m–1) | 1.05 | 3.49 | – | |||
Organic matter (%) | 0.31 | – | – | IAA without l-Tryptophan (µgml-1) | 5.63 | 2.21 |
Total nitrogen (%) | 0.016 | 1.63 | 1.00 | |||
Available phosphorus (mg kg–1) | 3.42 | 0.40 | 0.53 | |||
Extractable potassium (mg kg–1) | 78 | 27 | 55 | ACC deaminase α-ketobutyratenmol g-1protein h-1 | 232 | 484 |
Extractable lead (mg kg–1) | 0.51 | 2.09 | 1.15 | |||
Volatile matter (%) | – | 14.4 | – | Exopolysaccharide |  +  |  +  |
Ash content (%) | – | 16.8 | – | |||
Fixed carbon (%) | – | 68.8 | – | Phosphate solubilization |  +  |  +  |
