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Juvenile Wood in Forest Trees (Paperback, Softcover reprint of the original 1st ed. 1998)
Loot Price: R2,795
Discovery Miles 27 950
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Juvenile Wood in Forest Trees (Paperback, Softcover reprint of the original 1st ed. 1998)
Series: Springer Series in Wood Science
Expected to ship within 10 - 15 working days
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Donate to Against Period Poverty
Total price: R2,805
Discovery Miles: 28 050
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The trend in forestry is toward shorter rotations and more complete
utiliza tion of trees. The reasons are: (1) financial pressures to
obtain rapid returns on the forestry investment made possible by an
earlier harvest; (2) enforced harvest of young plantations to
maintain a continuing supply of cellulose for mills where wood
shortages are experienced; (3) thinning young plantations, both
because they were planted too densely initially and because
thinning is done where long rotation quality trees are the forestry
goal; (4) more intensive utilization is being done using tops and
small diameter trees; and (5) there is interest in using young
(juvenile) wood for special products because of its unique
characteristics and the development of new technologies. The
largest present-day source of conifer juvenile wood is from
thinnings of plantations where millions of hectares of pine were
planted too densely. Because of the better growth rate resulting
from improved silviculture and good genetic stock, plantations will
need to be thinned heavily. As a result of this trend, young wood
makes up an increasingly larger proportion of the total conifer
wood supply each year. Large amounts of juvenile wood from hard
woods are also currently available, especially in the tropics and
subtropics, because of the fast growth rate of the species used,
which results in shorter rotations and ess ntially all juvenile
wood."
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