Preservation technique for some types of Acacia and Eucalyptus timbers used in construction and as poles

Bui Van Ai, Truong Quang Chinh, Dinh Van Tien Forest Science Institute of Vietnam  In Vietnam, there is an increasing demand of using timber as materials for house building and poles for cultivation, and for electricity and telephone poles. Some types of forest grown timbers, such as eucalyptus and acacia, have a mechanical nature meeting the demands of use in basic construction; however, their timbers are easily harmed by insects and fungi. In order to use forest grown timbers … [Read more...]

Research result on using cashew nut oil to produce forest products preservative

Bui Van Ai, Nguyen Thi Bich Ngoc Forest Science Institute of VietnamCashew nut oil contains phenols with unsaturated hydrocarbon chains. There are approximately 10 -15% of oil in cashew nuts. Preliminary research results show that cashew nut oil is a preventive against forest product harming-insects. This article presents research results to improve the preventative effect of cashew nut oil with chlorine gas and using activated cashew nut oil to produce forest product preservatives in order … [Read more...]

COCONUT TREE, A TARGET OF LESSING POVERTY AND GETTING STABLEDEVLOPMENT

COCONUT TREE, A TARGET OF LESSING POVERTY AND GETTING STABLEDEVLOPMENT I. Scope of Planning; Coconut (Cocos nucifera L.)in Vietnam According to Asia-Pacific Coconut Corporation's statistic (APCC -1991) Vietnam's output reached 1.200 coconut-palms from 333.000 ha while the scope of growing land has only 153.000 ha stimated by FAO (2004) . In Vietnam, Coconut has grown popularly in small landowner, later widen to the garden or areas near canals and native land... with high density about 5-6 … [Read more...]

Yields and quality of the essential oils extracted from a number of melaleuca species of various provenances

Phung Cam Thach at al Southern Branch of Forest Science Institute I. Introduction Essential oils, in particular those known as cajeput oils, have widely been used in the making of drugs and cosmetics. The cajeput oil extracted from a number of Melaleuca spp is used in the preparation of pharmaceuticals because of its strong antiseptic and antiphlogistic properties, when used in chirapsia to remove pains and virulence as it contains a high amount of 1.8 cineol. Besides, the oil can be … [Read more...]

Developing a model of small- scale, integrated processing line for forest plantation wood

Tran Tuan Nghia Centre for Forest Industry Technology Transfer I. Introduction From late 80’s and early 90’s, the Forest Science Institute of Vietnam has carried out a number of research subjects aimed at developing technologies for small- scale integrated processing of forest plantation wood such as procedure for sawing small timber and forest plantation wood; production of block- board from large -size eucalypt wood with veneer as surface layer (by gluing); production … [Read more...]

Research on using 3-layered pressed Bamboo board as substitute for wooden board in the house of people in North Vietnam mountainous areas

Nguyen Manh Hoat*, Tran Cong* Tran Huu Thanh*, Nguyen Nhat Chieu** Centre for Forest Industry Technology Transfer* and Forestry College** I. Introduction Bamboos are fast growing plants. They have been closely associated with the people from long ago as they provide fuel, house construction material, tools for daily life and production, means for cultural activities. In mountainous regions, bamboo is present in almost all economic, cultural and daily life activities. Prompted … [Read more...]

Preliminary testing of Metarhizium in the control of Coptotermes formosanus Shiraki

Nguyen Duong Khue Forest Products Preservation Research Division - FSIV   I. Introduction   There are in Vietnam about 27 termite species that destroy wood. The genus Coptotermes is the most destructive genus and comprises up to 97% of the destructive species. It causes serious damages to the buildings and store houses. The technique of killing termites by infestation method is very specific and effective but TM 67, DM 90 of chemical origin must still be used. The … [Read more...]