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Properties of the experimental field soil
| Properties | Early season | Late season |
|---|---|---|
| Organic matter (g kg− 1) | 23.30 | 25.70 |
| Total N (g kg− 1) | 1.10 | 1.40 |
| Total P (g kg− 1) | 1.10 | 1.00 |
| Total K (g kg− 1) | 24.40 | 17.50 |
| Available N (mg kg− 1) | 114.30 | 85.50 |
| Available P (mg kg− 1) | 61.30 | 25.10 |
| Available K (g kg−1) | 127.00 | 153.20 |
