Table 2. Characteristics of the topsoil (0–20 cm) before the experiment.
| pH | Organic matter (%) | Available N (mg kg-1) | Available P (mg kg-1) | Available K (mg kg-1) | |
|---|---|---|---|---|---|
| 2013 | 6.85 | 2.58 | 128.87 | 36.62 | 126.71 |
| 2014 | 6.71 | 2.31 | 109.63 | 38.46 | 115.69 |
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