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Physical and chemical properties of experimental soils.
| Location | pH | Organic matter (g kg−1) | Alkali-N (mg kg−1) | Olsen-P (mg kg−1) | Available K (mg kg−1) |
|---|---|---|---|---|---|
| Honghu | 6.60 | 23.0 | 145 | 26.9 | 107.5 |
| Nanchang | 5.32 | 31.2 | 194 | 26.4 | 198.0 |
| Wuhan | 5.71 | 15.8 | 87 | 21.2 | 127.2 |
