Root Zone Therapy
Healthy trees require healthy soil. Healthy soil has as much air and water space as minerals and organic matter. Soil animals and beneficial microbes, which till and fertilize the soil, thrive in this rich environ. Compaction reduces water and oxygen, restricts root growth, and drives off the soil’s residents. Compaction, caused by foot traffic, vehicles, lawn maintenance and animals, is the #1 killer of our urban trees. For years arborists have tried to reduce compaction using vertical mulching, radial trenching and even blasting nitrogen into the soil, with limited success. Using specialized pneumatic tools, we are now able to ‘air-till’ compacted soil (above), while incorporating organics, without damaging roots or plumbing. Short of replacing the soil, nothing has proven more effective. We’re also able to unearth injured and girdling roots to be pruned. When root and soil issues are identified and properly corrected, trees respond quite favorably (photos copyright Randy Cyr).
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All photos © Randy Cyr, greentreedoctor.com ~ all rights reserved (unless otherwise credited).
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