The cause of most urban tree problems can be attributed to a poor soil environment. Soil features thai can inhibit shade tree growth include compacted layers, poor drainage and/or buried debris. The true cause of many tree problems goes undetected because of the inaccessibility of the root area. Access using excavation is both time consuming and labor intensive as well potentially harmful to the plant being unearthed. A technique that could detect soil problems without excavation would be an invaluable tool in diagnosing tree disorders.
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