Nguyen Ba Chat, Vu Duc Nang
Nguyen Sy Duong, Nguyen Thanh Dam
FSIV
I. Introduction
Selection of a collection of planted forest tree species and development of technical systems for forest plantation establishment serving economic and technical objectives have been and are being urgent problems. More than half a century has past many generations of silviculturists have made great effort in research, selection and planting of a number of forest tree species in many ecological zones in Vietnam. Several species have been planted in hundreds of thousand hectares such as Acacia auriculiformis, A. mangium, eucalypts and pines. Others have also been planted in thousands of hectares such as Manglietia glauca, Pinus massoniana, Styrax tonkinensis, Aleurites montana, Rhizophora apiculata, Melaleuca leucadendra, Tectona grandis, Casuarina equisetifolia, Chukrasia tabularis, Dipterocarpus alatus.
Some species such as Canarium album, Talauma gioi, Hopea odorata, Endospermum sinensis, Aglaia sp, Ormosia balansea, Cinnamomum cassia, Illicium verum that have been studied in no less than 10 years, but many things still remain.
Gmelina arboreais a fast growing species and its research and planting are carried out in South East Asian countries. Paraserianthes falcataria has its origin in tropical region. It is a fast- growing tree species, adaptable to many ecological zones and its wood is used in wood processing industry. Research on developing a system of silvicultural techniques to expand these two species is necessary.
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