Unasylva - No. An international journal of the forestry and food industries - Vol. Unasylva is published quarterly in English, French and Spanish editions.
Articles express the views of their authors.
Designations employed and presentation of material do not imply expression of any opinion on the part of FAO concerning the legal status of any country, territory, city or area or of its authorities, or concerning the delimitation of its frontiers or boundaries. The FAO publications reviewed in Unasylva may be ordered from any of the FAO sales agents listed on the inside back cover. Even if the quality of digitalisation is high, the FAO declines all responsibility for any discrepancies that may exist between the present document and its original printed version.