Study on natural regeneration of Chir pine (Pinus roxburghii Roxb.)
Study on natural regeneration of Chir pine (Pinus roxburghii Roxb.)
M. Khan and M. Kleine
ABSTRACT
It is commonly known that factors like grazing and fire
are the main causes for slow and unsatisfactory
establishment of natural regeneration in many Chir pine
forests, especially in those located near highly
populated villages. In order to study the effect of
proper protection on the growth of Chir pine, a long
term experiment was started in the forests of Research
and Training Field Station, Shinkiari. This paper
presents interim results of the first two year's
observations, which give the progress of Chir pine
seedling growth. About a10,000 plants per hectare, which
are more than 20 cm tall, and sufficient to constitute
future stands of desirable densities, are the result of two years of protection from fire and biotic factors.
Strong indications could be found for a substantial
reduction of the regeneration period which would lead to
an increased productivity of these forests.
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March 1990
Vol. 40, Iss. 1
