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  2. Potassium nitrate - Wikipedia

    en.wikipedia.org/wiki/Potassium_nitrate

    Component (usually about 98%) of some tree stump removal products. It accelerates the natural decomposition of the stump by supplying nitrogen for the fungi attacking the wood of the stump. [58] In heat treatment of metals as a medium temperature molten salt bath, usually in combination with sodium nitrite. A similar bath is used to produce a ...

  3. Tree stump - Wikipedia

    en.wikipedia.org/wiki/Tree_stump

    Tree stump, about 37 years after falling. After a tree has been cut and has fallen, the stump or tree stump is usually a small remaining portion of the trunk with the roots still in the ground. Stumps may show the age-defining rings of a tree. The study of these rings is known as dendrochronology. Stump sculpture by German artist Eberhard Bosslet.

  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. Girdling - Wikipedia

    en.wikipedia.org/wiki/Girdling

    Girdling. Girdling, also called ring-barking, is the circumferential removal or injury of the bark (consisting of cork cambium or "phellogen", phloem, cambium and sometimes also the xylem) of a branch or trunk of a woody plant. Girdling prevents the tree from sending nutrients from its foliage to its roots, resulting in the death of the tree ...

  6. Living stump - Wikipedia

    en.wikipedia.org/wiki/Living_stump

    A living stump is created when a live tree is cut, burned, eaten, or infected, causing its cambium to die above the root system. Living stumps are generally characterized as having a thin outer layer of living cells that surround a hollow central cavity. [1] Living stumps can survive for several years by. root grafting to the root system of ...

  7. Coppicing - Wikipedia

    en.wikipedia.org/wiki/Coppicing

    Coppicing / ˈkɒpɪsɪŋ / is the traditional method in woodland management of cutting down a tree to a stump, which in many species encourages new shoots to grow from the stump or roots, thus ultimately regrowing the tree. A forest or grove that has been subject to coppicing is called a copse / kɒps / or coppice, in which young tree stems ...

  8. Polystrate fossil - Wikipedia

    en.wikipedia.org/wiki/Polystrate_fossil

    A polystrate fossil is a fossil of a single organism (such as a tree trunk) that extends through more than one geological stratum. [1] The word polystrate is not a standard geological term. This term is typically found in creationist publications. [1][2] This term is typically applied to "fossil forests" of upright fossil tree trunks and stumps ...

  9. Armillaria root rot - Wikipedia

    en.wikipedia.org/wiki/Armillaria_root_rot

    Armillaria root rot is a fungal root rot caused by several different members of the genus Armillaria. The symptoms are variable depending on the host infected, ranging from stunted leaves to chlorotic needles and dieback of twigs and branches. However, all infected hosts display symptoms characteristic of being infected by a white rotting fungus.

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