Pruning – Air Root Pruning
The natural killing of plant roots as they grow out of the bottom of a bottomless container. The roots are killed or pruned away by the exposure to air. This is a process that Dr. Carl Whitcomb introduced.
The natural killing of plant roots as they grow out of the bottom of a bottomless container. The roots are killed or pruned away by the exposure to air. This is a process that Dr. Carl Whitcomb introduced.