Table 3.
Soil physiochemical parameters of baseline, field, and greenhouse soils affected by Sweetgrass (A. nitens).
| Soil type | TN (g kg−1) | TC (g kg−1) | TOC (g kg−1) | pH | NO3-N (μg g−1) | NH3(μg g−1) |
|---|---|---|---|---|---|---|
| Greenhouse | 0.071 ± 0.0025 (a) | 1.67 ± 0.0879 (a) | 1.57 ± 0.07 (a) | 7.22 ± 0.07 (a) | 482.12 ± 44.94 (a) | 22.46 ± 4.13 (a) |
| Baseline | 0.024 ± 0.0003 (b) | 0.39 ± 0.0036 (b) | 0.32 ± 0.01 (b) | 8.15 ± 0.01 (ab) | 3.34 ± 0.70 (b) | 3.29 ± 0.11 (b) |
| Field | 0.047 ± 0.0025 (ab) | 0.63 ± 0.0274 (ab) | 0.54 ± 0.03 (b) | 8.47 ± 0.03 (b) | 3.08 ± 0.25 (b) | 7.68 ± 0.53 (ab) |
Parameters include TN, total nitrogen; TC, total carbon; TOC, total organic carbon; pH, NO3-N, nitrate; NH3-N, ammonia (n = 6). Different letters (a, b) signifies a statistical difference (P < 0.05). n = 6.