Get ready to dig deeper into vertical tillage (VT). The practice is getting a facelift.
When it first became popular, VT was considered deep-zone tillage to fracture density layers and manage compaction. Reaching to depths of 20 inches, it still left most of the residue undisturbed on the soil surface.
In the last decade, the tillage practice has been redefined to include machines that process residue and stir the soil down to a depth of 2 to 3 inches. Others see it as pulling 8-inch divots from the soil.
All forms of VT leave most, if not all, residue on ...