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Chemical composition of soil used in the lab experiment.
| Soil Parameter | Value |
|---|---|
| pHCaCl2 | 6.09 |
| Soil oxidizable carbon (Cox) | 0.80% |
| Clay | 20% |
| Silt | 27% |
| Sand | 53% |
| Cation exchange capacity | 164 mmol/kg |
| N total | 0.19% |
| N-NH4+ (K2SO4) | 1.48 mg/kg |
| N-NO3− (K2SO4) | 17.2 mg/kg |
| P (Mehlich 3) | 36.4 mg/kg |
| K (Mehlich 3) | 400 mg/kg |
| Ca (Mehlich 3) | 2720 mg/kg |
| Mg (Mehlich 3) | 214 mg/kg |
