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Soil basic characteristics of the tested soil [45]
| Item | Value |
|---|---|
| pH | 7.72 |
| cation exchange capacity (CEC) | 17.32 coml kg−1 |
| Organic matter contents | 12.5 g kg− 1 |
| Alkali-hydrolyzable nitrogen | 54 mg kg − 1 |
| Available phosphorus | 11.7 mg kg − 1 |
| Available potassium | 218 mg kg− 1 |
