ASWP08 Fertilizing and Aerating Soils for Woody Plants
Step Action
Lightening protection
Cracks
Drill hole to appropriate depth • Hold drill firmly to reduce potential for
jamming and twisting of drill
Implant capsule • Watch for pinch points
5.5 Trunk Injection Method - Fertilization
Step Action
Inspect tools / equipment
Inspect for:
Sharpness
Cracks
Pressure system for operation
Inspect pressure system
Inspect for:
Leaks
Connections
Drill appropriate depth / width into
tree
• Hold drill firmly to reduce potential for
jamming and twisting of drill
Implant tip of system • Watch for pinch points
Pressurize the system • Check for leaks
Remove tip • Cover microinjecting unit with one hand and
pull out slowly
• Wear safety glasses during this operation
Dispose of tip / clean equipment • Follow appropriate directions from the
manufacturer's instruction
5.6 Aerating Soils
Step Action
Inspect work site
Assess for underground obstructions such as:
Sprinkler system
Electrical system
Communication conductors
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