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The mean annual increment (MAI) or mean annual growth refers to the average growth per year a tree or stand of trees has exhibited/experienced up to a specified age. For example, a 20-year-old tree that has a stem volume of 0.2 m 3 has an MAI of 0.01 m 3 /year.
Hence, Profit = Revenue − Cost. Since the benefit is generated over multiple years, it is necessary to calculate that particular age of harvesting which will generate the maximum revenue. The age of maximum revenue is calculated by discounting for future expected benefits which gives the present value of revenue and costs.
Missouri only has one native pine tree, the shortleaf pine. It is drought tolerant, but not fast-growing. It is naturally found in the southern one-third of the state, although numbers were ...
Where: Y is the yield (volume, height, DBH, etc.) at times 1 and 2 and T 1 represents the year starting the growth period, and T 2 is the end year. Example: Say that the growth period is from age 5 to age 10, and the yield (height of the tree), is 14 feet at the beginning of the period and 34 feet at the end.
Christmas tree cultivation is an agricultural, forestry, and horticultural occupation which involves growing pine, spruce, and fir trees specifically for use as Christmas trees. The first Christmas tree farm was established in 1901, but most consumers continued to obtain their trees from forests until the 1930s and 1940s. Christmas tree farming ...
Pine View Farm, New Windsor: With about 10,000 planted trees on the farm, Pine View Farm has a variety of Fir and Spruce trees available. Hours: 9 a.m. to 4 p.m. on Dec. 9 and Dec. 10. Go: 575 ...
This distinction is important if tree growth over time is expected by an owner or forester to produce timber, as a small old tree will grow differently from a small young tree. Commonly these age classes are split into: Seedling, Sapling, Pole, Mature Tree (subdivided into Weak wood, Middle wood and Strong wood stages), Old / Senescent Tree.
Yuletide Tree Farm has more than 500 trees available, including Canaan fir, blue spruce, white pine, Douglas fir and Norway spruce. Hours: 9 a.m. to 4 p.m. daily Nov. 25 to Dec. 23. Phone: 732-349 ...