1. Dig out a section of soil under plants with your spade (approx 20cm depth or deeper if necessary).
2. With a ruler / measuring tape, record the depth at which you estimate that 80% of plant roots are concentrated in the soil, and record this number (in cm) in Soilmentor. There may be a few ‘outlier’ deeper roots, but you can discount them if more than 80% of roots stopped growing at a shallower depth.
3. Record the number of your rooting depth (cm) in the Soilmentor app.
4. You can also record the your total root depth (mm) in the separate Soilmentor test called ‘Rooting depth total (cm) for your reference. This measurement will not be used in the Regen Platform.