Soil
4 inch soil depth (3.937 Inch (10 cm) Depth Probe)
12 inch Soil Depth
24 Inch Soil Depth
36 inch Soil Depth
| Centibar Reading | Soil Condition |
| 0-10 | Saturated Soil. Occurs for a day or two after irrigation. |
| 10-20 | Soil is adequately wet (except coarse sands which are drying out at this range) |
| 30-60 | Usual range to irrigate or water (except heavy clay soils). Irrigate at the upper end of this range in cool humid climates and with higher water-holding capacity |
| 60-100 | Usual range to irrigate heavy clay soils |
| 100-200 | Soil is becoming dangerously dry for maximum production. Proceed with caution. |
