Ngo Dinh Que, Dinh Van Quang, Dinh Thanh Giang Forest Ecology and Environment Research Centre I. Introduction Swiddening in the North West, practised over 91,581 hectares, is found to extend over the largest area in Vietnam. As that traditional farming system has not been developed for ages, the land productivity there gets impoverished and soil erosion and scouring, excessive. Fallows are thus expanding, all waiting for longer and longer time for being restored for cultivation. … [Read more...]

Bui Doan, Vu Duy Thong FSIV I. Introduction Anisoptera cochinchinensis belongs to Dipterocapaceae family the timber of which is of high export value on international market (especially in South East Asian Region). Anisoptera cochinchinensis wood is much desired in veneer, plywood and ship- building industries (round and straight bole, few knobs and buttresses, wood: light, brilliantly white colour, log can be 0.7 - 2m. long, 40 - 60cm in diameter. A. cochinchinensis has been much … [Read more...]