BAMBOO GENETIC RESOURCES OF VIETNAM I. INTRODUCTION Vietnam is a tropical country located in the South-East Asia with total area of about 331,220 km2 ranging from latitude 90 N to latitude 230 N, of which 20 million ha is forest and forest land (about 60% of the country’s area)(General Statistical Office, 1994). According to statistical data, forest area up to the end of 1993 is as follows, · Natural forest : 8,630,000 ha · Plantation forest : 758,000 … [Read more...]
Research on formulation of scientific and technological basis for supplying improved planting materials of forest trees
June 30, 2005 by
Le Dinh Kha and collaborators (1) I. INTRODUCTION Planting materials are one of the most important factors in forestry production. In recent years forest tree improvement in our country has been given attention . Some results from research on species and provenance trials as well as breeding have been, , put into practice step by step. However, forest tree breeding work , in general, still has many limitations. The subject en titled " Research on formulation of scientific and … [Read more...]
Development of technologies for improved propagation of Sinocalamus Aff Latiflorus McClure through cuttings/ tissue culture
June 30, 2005 by
Phung Cam Thach, Hoang Chuong, Nguyen Boi Quynh, Tran Van Hai South Branch of Forest Science Institute I. Introduction Sinocalamus Aff Latiflorus McClure (vernacular Tre tau) is extensively cultivated in the South Vietnam, especially in its Eastern provinces. Planted in home gardens, the bam boo has become a valuable asset of local farmers, because of its very rapid growth to mature sizes for soil conservation, water regime regulation, bamboo shoot production for domestic and … [Read more...]
Yields and quality of the essential oils extracted from a number of melaleuca species of various provenances
June 30, 2005 by
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...]
Natural forest restoration at Tan Lap, Dong Xoai,in the province of Binh Phuoc
June 30, 2005 by
Pham Van Dau I. Introduction The natural forests play a very important role in the living conditions of local people. Besides their functions as natural suppliers of wood, timber, wildlife and many other precious forest products, they are also active in their role of crop protection, soil conservation, water supply regulation, and climatic and environmental stabilization. The Forest Development Department has clearly pointed out that there are some 8.252 million hectares of natural … [Read more...]
Survey and selection of good forest stands for conversion in to seed stands in South Vietnam provinces and the Central Highland
June 30, 2005 by
Ha Chu Chu, Pham Dinh Tam, Pham Van Tuan I. Introduction According to the project of planting 5 million hectares of forest from now to the year 2010 of the Government, South Vietnam provinces must plant about 377,800 hectares of forest and the Central Highlands must plant about 495,000ha of forest... Annually, the provinces must plant mean 40,000 ha of forest and tens million scattered trees with native tree species such as Hopea sp., Dipterocarpus sp., Amisoptera cochinchinensis, … [Read more...]
Research on elaboration of policies to encourage Pinus merkusii forest planting in contribution to the project of planting new 5 million hectares of forest
June 30, 2005 by
Le Quang Trung Forest Economics Research Division I. Introduction Forest planting with Pinus merkusii can solve not only the problem of environment but also socio-economic problems because besides its capability of good growth and development in poor site conditions, harsh climate, P. merkusii also supplies two valuable products: turpentine and pine wood. At present, however, activities of forest planting with P. merkusii do not really attract the people’s participation> … [Read more...]
Evaluation of the effectiveness of forest land allocation and allocation of forest for protection on contract to households and individuals
June 30, 2005 by
Vo Nguyen Huan Forest Science Institute of Vietnam I. Introduction Forest and forest land represents about 2/3 of the land area in the whole country and is a mean of labour and main labour object of over 30 million people of 50 ethnic groups and at the same time is the leading decisive factor contributing to ecological environment protection. The State programme for allocating forest land to various organizations began in 1968. With time, the State has promulgated and implemented a … [Read more...]
Survey and evaluation of actual socio-economic conditions relating to special-use forests as a base for the establishment and socio-economic development of buffer zones of national parks and nature reserves in our country
June 30, 2005 by
Bui Minh Vu Forest Economics Research Division I. Objectives of the research subject 1. Evaluation of actual socio-economic conditions of the buffer zones relating to the establishment and protection of selected 8 special - use forest areas. 2. Elaboration of criteria and general regulations of buffer zone as a base for strengthening the planning, plans, organization, management and developing policies for socio-economic development of buffer zones of national parks and nature … [Read more...]
Developing a model of small- scale, integrated processing line for forest plantation wood
June 30, 2005 by
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...]
