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2. Tree stump - Wikipedia

   en.wikipedia.org/wiki/Tree_stump

   A common method for stump removal is to use one of the many chemical stump removal products, so long as immediate results are not needed. These stump removers are mostly made of potassium nitrate (KNO 3) and act by rapidly increasing the decay of the stump. (The chemical provides nitrogen, a limiting nutrient, to tree-decaying fungi.

3. Girdling - Wikipedia

   en.wikipedia.org/wiki/Girdling

   Girdling prevents the tree from sending nutrients from its foliage to its roots, resulting in the death of the tree over time, and it can also prevent flow of nutrients in the other direction depending on how much of the xylem is removed. A branch completely girdled will fail; and, when the main trunk of a tree is girdled, the entire tree will ...

4. Stump grinder - Wikipedia

   en.wikipedia.org/wiki/Stump_grinder

   A stump grinder is a machine designed to remove tree stumps by using a rotating cutting disc that chips away the wood. The machine typically features a cutter wheel with fixed carbide teeth. The cutter wheel's movements are controlled by hydraulic cylinders, which allow it to move laterally and vertically to grind through the stump.

5. Stump harvesting - Wikipedia

   en.wikipedia.org/wiki/Stump_harvesting

   The stump is the base of the trunk and the attached woody roots. Tree stumps and roots are extracted using a hydraulic head on a tracked excavator or with a mechanical head equipped by a special tool for tractors. Stump harvesting is expected to provide an increasing component of the woody material required by the woody biomass power sector in ...

6. Limbing - Wikipedia

   en.wikipedia.org/wiki/Limbing

   When the tree is lying on the ground, branches may be storing enormous potential energy through mechanical strain. When a branch is cut, often with a chain saw, this energy can be released suddenly and the branch can jump dangerously. In addition, a branch may be supporting the tree, and the tree can fall or roll when the branch is cut.

7. Silviculture - Wikipedia

   en.wikipedia.org/wiki/Silviculture

   The single-tree selection method is an uneven-aged regeneration method most suitable when shade tolerant species regeneration is desired. It is typical for older and diseased trees to be removed, thus thinning the stand and allowing for younger, healthy trees to grow.