Table 1.
Comparison of physicochemical properties of 10-year post-ginseng rotation soil (RS) and soil in which no ginseng was grown (CS) before ginseng planting. Mean ± SE (n = 4) data shown.
| Physicochemical properties | RS (ginseng rotation) | CS (no ginseng) |
|---|---|---|
| Water content (%) | 15.92 ± 0.30* | 15.05 ± 0.00 |
| pH | 5.00 ± 0.04 | 5.19 ± 0.04* |
| Total N (%) | 0.21 ± 0.01 | 0.20 ± 0.02 |
| Total C (%) | 1.45 ± 0.45 | 1.14 ± 0.10 |
| Ammonium N (mg kg−1) | 12.16 ± 0.56 | 13.72 ± 0.57 |
| Nitric N (mg kg−1) | 60.09 ± 3.88 | 70.50 ± 4.27 |
| Available P (mg kg−1) | 28.61 ± 6.65 | 37.83 ± 8.19 |
| Available K (mg kg−1) | 0.45 ± 0.10 | 1.33 ± 0.12** |
*Statistically significant difference at P < 0.05; **P < 0.01 (T test).