How to prevent and treat cherry crown gall? A detailed guide to prevention and treatment methods
Based on your description, 1. Dig out the diseased trees and clear away the remaining roots. 2. Apply organic fertilizer. 3. Dip the roots in K84 before planting the trees. 4. Backfill the soil, preferably with topsoil. 5. You can change the tree pits.

Based on your description, 1. Dig out the diseased trees and clear away the remaining roots. 2. Apply organic fertilizer. 3. Dip the roots in K84 before planting the trees. 4. Backfill the soil, preferably with topsoil. 5. You can change the tree pits.