Article Figures & Data
Figures
- Fig. 1.
Winter situation in Denmark. It is seldom chaotic because of heavy snowfall. However, the fast changes between thaw and frost, rain and snow make it difficult to control the road against ice slipperiness.
- Fig. 2.
This straw mat is useless. We call it a stem warmer.
- Fig. 3.
Stem warmer again. The vertical sides of this planting hole are covered with a plastic sheet to avoid salt penetration from the polluted side (shoulder) into the clean planting soil.
- Fig. 4.
A typical situation on a major road. From right to left: road, curb with drain, growing site (shoulder), bicycle track, curb with drain, sidewalk. In this experiment a heavy plastic poncho is tied to the tree and nailed to the ground. This protection is meant to lead water away from the growing area.
- Fig. 5.
This is the same road as Fig. 4. So far, the system with straw mats is the one most recommended. It gives good protection against salt and it is reasonably aesthetic. New models will have a plastic liner which will lead the water over the curb into the gutter.
- Fig. 6.
A slightly elevated planting area. Nearly dall the salt water is led to the drain.
- Fig. 7.
Complete protection for trees and shrubs in an island in the street.
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