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  1. 1988-03-19 Mountain agriculture Land degradation in Papua New Guinea Sloping agricultural land technology Land use systems in marginal highlands Community forestry Cassava planting Pest management
  2. 1991-01-01 In addition to providing an historical perspective of the development of new kinds of forestry activities, this review contributes a forward-looking assessment of constraints and opportunities for strengthening participation in all forestry activities.
  3. This book collect articles from around the world that discuss forest, farm, and community tree research.