Agriculture Reference
In-Depth Information
FIGURE 4.5
ABOVE:
Fruit tree roots can spread up to three times the width of the
canopy and downward until they are stopped by a water table, impervious
soil layer, or other unfavorable soil environments.
Unless you know what the soil pH, nutrient concentrations, and organic mat-
ter should be, even the best analytical results will mean little. Now is the time
to begin developing standards. Soil standards are simply minimum bench-
