A Half-yearly Peer Reviewed Journal of Bangladesh Forest Research Institute

ISSN - Print: 1021-3279 | Online: -

The study was initiated to evaluate economic impact ofthe treated and untreated bamboo materials using in
betel leaf farms. A large number of bamboo culms were consumed because of frequently replacement of
bamboo materials in betel leaffarms. Due to growing population and rising demand for bamboo materials,
these resources were in decreasing day to day. For preserving bamboo materials into treated form that were
needed only 35% to 40% additional cost ofits’ existing market price. The usable durability ofthese treated
form ofthickness basis bamboo materials would be increased and stand for at least 2 to 5 years. A notable
number of 1127 ha’1 (64%) bamboo culms were being saved per year in the study areas because of treated
technology adaptation. The mean IRR, B-C ratio and PVNB were determined to be 40%, 1.21 and Tk.12.1
lakh ha’ for treated farms and 19%, 1.04 and Tk. 3.2 lakh ha’1 respectively for untreated ones. Ifthe treated
materials arc able to be disseminated and covered in betel leaffarms ofthe country, a significant number of
1.44 crore bamboo culms will be saved. Therefore, using treated bamboo materials in betel leaffarms were
economically viable and environmentally most desirable


Bamboos of different sizes are generally used fbr fencing, poles and sticks in betel leaffarms. Bamboo
sticks are used as climber fbr betel leafvine. These bamboo materials have 2-3 years service life because these
are being used without having any preservative treatment. After treatment, the service life ofthese materials
can be increased by four to five times. These treated materials are not required to change or to repair every
year. A study has been undertaken to disseminate the preservative treatment technology among the common
people thorugh the distribution oftreated bamboo sticks in the betel leaffarmers. The objectives ofthe study
were to determine the service life of bamboo sticks used in the betel leaf farms and to motivate people fbr
using the treatment technology. In this regard, the bamboo sticks namely baijja (Bambusa vulgaris) and
mitinga (Bambusa tulda ) bamboo were treated by soaking methods using water bome preservatives, copper
sulphate, sodium dichromate and boric acid (CCB). The treated materials were distributed to the betel leaf
farmers in three different areas of Bangladesh. Data were collected at the interval of every six months to
determine the durability ofthe bamboo sticks. It was found that after four years the treated materials were in
sound condition. It was observed that the preservative technology would enhance the service life of the
bamboo, which will help people to save their hardly earned incomes and conserve forest resources.

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