Article Figures & Data
Figures
- Fig. 1.
Stagheading and dieback of white oak due to placement of earth fill over the root system.
- Fig. 2.
Inadequate aeration system. This white oak was severely injured by the addition of a deep earth fill over the roots with only a large trunk well as a damage prevention measure.
- Fig. 3.
Scheme for an aeration system where an earth fill of not more than 1 ½ feet in depth is added.
- Fig. 4.
Preparation of a “wagonwheel” type aeration system for deep earth fills, showing vertical bell tile and trunk well.
- Fig. 5.
Completed “wagonwheel” type aeration system for deep earth fills, showing trunk well, vertical bell tile, and layers of stone and gravel between the tile and the fill.
- Fig. 6.
Change of grade from level to sloping showing the use of a retaining wall around the tree roots.
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