Basic physicochemical properties of the black soil.
| Soil type | pH | Organic matter (g kg−1) | N (g kg−1) | P2O5 (g kg−1) | K2O (g kg−1) |
|---|---|---|---|---|---|
| Black soil | 6.55 | 48.51 | 13.51 | 3.23 | 1.54 |
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