11Jan/102
Fertilizing Landscape Trees and Shrubs Part 3
Remember first to consider the importance of a care program which includes monitoring and keeping insect and disease problems in line along with restraining weed competition. Then you need determine if fertilizer is needed. Then you will consider the various methods of applying fertilizer.
Methods of Application
Fertilizers may be put on either directly or indirectly for trees and shrubs. When sod is fertilized, tree and bush roots that stretch into the sod area absorb some of the fertilizer, and are consequently indirectly fertilized. Sod fertilization rates should be supplemented only if trees and bushes are demonstrating symptoms of nutritive deficiency.
