1. 1999-09-19 Participatory Technology Development The Phillippines Ghana Peru India Integrated Soil Management
  2. 1997-10-19 Rebuilding lost soil fertility A tool for quantitative farm analysis Intensification of swidden agriculture in the Philippines Poor soils need organic matter Indigenous green manure in Nepal New Kekulam Recycling household waste in Egypt Biomass transfer
  3. 1996-07-19 Integrated farming systems in humid lowlands Philippine farmer switches over to rice-fish Pigs manage the world's worst weed in India Cambodia aquaculture developments Diversifying rice field systems in Bangladesh Pak Yanto's road to sustainability Capture or culture? Wetland management in...