The wood and pulping properties of Chir pine (Pinus roxburghii Sarg.) Part-I. Wood Properties
The wood and pulping properties of Chir pine (Pinus roxburghii Sarg.) Part-I. Wood Properties
K.M. Siddiqui
ABSTRACT
This study describes in three parts the results of
investigation on wood and pulping properties of Chir
pine from natural forests in Hazara region of Pakistan
at laboratory and pilot scale. Tests were conducted to
examine the effect of tree age and the presence of resin
in Chir pine wood on its pulping characteristics.
Physical, anatomical and chemical properties of wood
samples from 15 trees of three age groups were
determined in the standard manner. Considerable
variation was observed within individual trees as well
as between trees of different age groups in moisture
content, bark percent, latewood percent, wood specific
gravity, fibre lengthy and diameter, extractives
contents. Trees of 36 - 45 year age were found to have
most suitable wood quality for pulping purpose as
compared to those of lower and higher age groups.
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June 1983
Vol. 33, Iss. 2
