Book chapters 1994 Soil fertility research in response to the demand for sustainability
Conference & workshop materials 1994 Genetic improvement of west African tree species: past and present
Magazine articles 1994 Agroforests in Sumatra where ecology meets economy
Books 1994 Biodiplomacy: genetic resources and international relations
Conference & workshop materials 1994 Agroforestry education in Zambia
Journal articles 1994 Effect of intercropping maize and closely spaced Leucaena hedgerows on soil conservation and maize yield on a steep slope at Ntcheu, Malawi
Working papers 1994 The non-project rubber smallholder sector in Indonesia: rubber agroforestry systems (RAS) as a challenge for the improvement of rubber productivity, rubber based systems sustainability, biodiversity and environment
Journal articles 1994 The growth and yield of Acacia albida intercropped with maize (Zea mays) and beans (Phaseolus vulgaris) at Morogoro, Tanzania.
Book chapters 1994 Biological management of tropical forests: integrating process research and farm practice
Magazine articles 1994 From shifting cultivation to forest management through agroforestry: smallholder damar agroforests in West Lampung (Sumatra)
