The exhibit them showed how different invasives are killed though a combination of methods include cutting, digging, ‘frilling’ and the careful use of Roundup spray. The exhibit also described the use of controlled burns in restoring landscapes.
This picture shows how invasive trees are cut and an oil based herbicide applied to the cut surface and basal flare. The herbicide is absorbed by the vascular system to the roots and keeps the stump from sprouting
The final step is to then replace the invasive plants with native woodland species.