Table 1.
Physicochemical properties of soils in various farmlands in mid Taiwan
| Parameter | Rice paddy | Vegetable farm | Sugarcane farm | Tea garden | Orchard |
|---|---|---|---|---|---|
| pH (in H2O) | 7.73±0.88 | 6.48±0.18 | 6.14±0.83 | 4.09±0.61 | 5.61±0.32 |
| EC (μS/cm) | 232±65 | 175±36 | 73±16 | 114±28 | 146±29 |
| HU (%) | 13.26±3.85 | 7.24±2.83 | 2.68±1.66 | 4.82±2.99 | 7.94±3.69 |
| Chl-a (μg/L) | 4.69±1.20 | 3.14±0.86 | 0.88±0.28 | 1.81±0.57 | 2.93±1.01 |
| OM (%) | 3.36±0.36 | 2.84±0.27 | 1.53±0.14 | 2.04±0.09 | 2.37±0.24 |
| TC (%) | 2.91±0.24 | 2.77±0.20 | 1.88±0.13 | 2.18±0.18 | 2.56±0.22 |
| TN (%) | 0.22±0.06 | 0.19±0.03 | 0.08±0.02 | 0.14±0.05 | 0.17±0.03 |
| Canopy coverage (%) | 83.6±13.7 | 31.8±11.1 | 44.5±9.5 | 51.2±6.4 | 61.8±12.3 |
Chl-a: chlorophyll-a; EC: electrical conductivity; HU: humidity; OM: organic matter; TC: total carbon; TN: total nitrogen.