Potential of tillage, agropastoral, and planted fallow systems in low-fertility tropical soils in Latin America
Methylene blue sustainability of root-tip protoplasts as an indicator of aluminum tolerance in a wide range of plant species, cultivars and lines
A global assessment using PCR techniques of mycorrhizal fungal populations colonising Tithonia diversifolia
Linking farmers to markets: developing strategies to improve the competitiveness of organic agriculture in Eastern and Southern Africa
Improving livelihoods of upland farmers using participatory approaches to develop more efficient livestock systems (RETA no. 6067) : Semi-annual report - July to December 2004