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  2. Stand density index - Wikipedia

    en.wikipedia.org/wiki/Stand_Density_Index

    Where N = number of trees per acre D = dbh of the tree of average basal area k = a constant varying with the species When the quadratic mean diameter equals 10 inches (250 mm), the log of N equals the log of the stand density index. In equation form: log 10 SDI = -1.605(1) + k Which means that: k = log 10 SDI + 1.605

  3. Prunus americana - Wikipedia

    en.wikipedia.org/wiki/Prunus_americana

    Prunus americana, commonly called the American plum, [7] wild plum, or Marshall's large yellow sweet plum, is a species of Prunus native to North America from Saskatchewan and Idaho south to New Mexico and east to Québec, Maine and Florida. [8] Prunus americana has often been planted outside its native range and sometimes escapes cultivation. [9]

  4. Prunus umbellata - Wikipedia

    en.wikipedia.org/wiki/Prunus_umbellata

    Prunus umbellata, called flatwoods plum, hog plum and sloe plum, is a plum species native to the United States from Virginia, south to Florida, and west to Texas. [3] [4] Prunus umbellata can reach 6.1 meters (20 feet) in height with a 4.6 m (15 ft) spread. It has alternate serrate green leaves that turn yellow in autumn. Flowers are white ...

  5. Plant density - Wikipedia

    en.wikipedia.org/wiki/Plant_density

    In nature, plant densities can be especially high when seeds present in a seed bank germinate after winter, or in a forest understory after a tree fall opens a gap in the canopy. Due to competition for light, nutrients and water, individual plants will not be able to take up all resources that are required for optimal growth. This indicates ...

  6. Tree crown measurement - Wikipedia

    en.wikipedia.org/wiki/Tree_crown_measurement

    American Forests, for example, uses a formula to calculate Big Tree Points as part of their Big Tree Program [3] that awards a tree 1 point for each foot of height, 1 point for each inch of girth, and ⁠ 1 / 4 ⁠ point for each foot of crown spread. The tree whose point total is the highest for that species is crowned as the champion in their ...

  7. Prunus angustifolia - Wikipedia

    en.wikipedia.org/wiki/Prunus_angustifolia

    Prunus angustifolia, known commonly as Chickasaw plum, Cherokee plum, Florida sand plum, sandhill plum, or sand plum, [3] is a North American species of plum-bearing tree. . It was originally cultivated by Native Americans before the arrival of Europe

  8. Mirabelle plum - Wikipedia

    en.wikipedia.org/wiki/Mirabelle_plum

    The city of Metz dedicates two weeks to the Mirabelle plum during the popular Mirabelle Festival held in August. During the festival, in addition to open markets selling fresh prunes, mirabelle tarts, and mirabelle liquor, there is live music, fireworks, parties, art exhibits, a parade with floral floats and competition, and the crowning of the ...

  9. Tree planting - Wikipedia

    en.wikipedia.org/wiki/Tree_planting

    Planting Shade: Student run non-profit based in Virginia Beach. Gives citizens the resources to plant trees in their own backyard and other residential areas. [citation needed] Arbor Day Foundation [97] Nature Conservancy; Plant-it 2020 [98] USDA Forest Service "Plant-A-Tree" program in which a person can donate to plant trees in the National ...

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