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2. Grubbing - Wikipedia

   en.wikipedia.org/wiki/Grubbing

   Grubbing or clearing is the removal of trees, shrubs, stumps and rubbish from a site. This is often at the site where a transportation or utility corridor, a road or power line, an edifice or a garden is to be constructed. Grubbing is performed following clearance of trees to their stumps, preceding construction. [1]

3. 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.

4. 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 ...

5. Cut-to-length logging - Wikipedia

   en.wikipedia.org/wiki/Cut-to-length_logging

   Cut-to-length logging (CTL) is a mechanized harvesting system in which trees are delimbed and cut to length directly at the stump. [1] CTL is typically a two-man, two-machine operation with a harvester felling, delimbing, and bucking trees and a forwarder transporting the logs from the felling to a landing area close to a road accessible by ...

6. Wood preservation - Wikipedia

   en.wikipedia.org/wiki/Wood_preservation

   Wood easily degrades without sufficient preservation. Apart from structural wood preservation measures, there are a number of different chemical preservatives and processes (also known as timber treatment, lumber treatment or pressure treatment) that can extend the life of wood, timber, and their associated products, including engineered wood ...

7. Feller buncher - Wikipedia

   en.wikipedia.org/wiki/Feller_buncher

   For example, tree with 5 inches at DBH has the unit cost of $70 while tree with 15 inches at DBH has the unit cost of $12. As the cost of feller buncher is high, only large tree volume can produce more profit to cover the high average cost. In terms of stump height, lower stump height can maximise the use of natural resources and prevent wood ...

8. Woodchips - Wikipedia

   en.wikipedia.org/wiki/Woodchips

   A screw-type wood chipper contains a conical, screw-shaped blade {citation needed}. The blade rotation is set parallel to the opening so wood is pulled into the chipper by the spiral motion. Screw-type, also called high-torque rollers, are popular for residential use due to being quiet, easy to use and safer than disk and drum types. [15] [17]

9. Paraquat - Wikipedia

   en.wikipedia.org/wiki/Paraquat

   Paraquat (trivial name; / ˈ p ær ə k w ɒ t /), or N,N′-dimethyl-4,4′-bipyridinium dichloride (systematic name), also known as methyl viologen, is a toxic organic compound with the chemical formula [(C 6 H 7 N) 2]Cl 2.