Some improved techniques for raising of forest nurseries
Some improved techniques for raising of forest nurseries
Raja Atta Ullah Khan
ABSTRACT
Intro:
Importance of forest nurseries in any
afforestation and agroforestry programme cannot
be over-emphasized because planting stock is the
basic and most important ingredient of tree
plantation. Shisham (Dalbergia sissoo) is the most
important multipurpose tree species in Punjab
which is extensively cultivated on public as well as
private lands. It is propagated with root shoot
cuttings. Prevailing technique of raising of shisham
nursery consists of broadcasting sowing of shisham
pods on raised beds and keeping the beds moist
with water through trenches till the seed
germinates. Although the seed germinates very
profusely and the density of seedlings in good
nurseries varies from 100 to 160 per sq. metre of
nursery area, yet the average number of standard
size planting stock seldom exceeds 100,000 per ha.
Because of congestion, seedlings suffer from
adverse competition and most of them remain
whipy and weak and do not attain proper size in
one growing season. This practice is going on
since long in most of the nurseries of Forest
Department and has hardly changed over the
period of time. Thus there is a great need to
improve the nursery raising technique in order to
obtain maximum number of healthy and standard
size planting stock per unit of area. Some
improved techniques have been tested in the
nursery of Faisalabad Forest Division for this
purpose and this paper describes the results.
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