selected publications
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article
- Who is using the new technology? The association of wealth status and gender with the planting of improved tree fallows in Eastern Province, Zambia. Agricultural Systems. 79:131-144. 2004
- Constructing an Arable Layer Through Chisel Tillage and Agropastoral Systems in Tropical Savanna Soils of the Llanos of Colombia. Journal of Sustainable Agriculture. 23:5-29. 2003
- Plant growth, mycorrhizal association, nutrient uptake and phosphorus dynamics in a volcanic-ash soil in Colombia as affected by the establishment of Tithonia diversifolia. Journal of Sustainable Agriculture. 21:41-59. 2003
- Disc harrowing intensity and its impact on soil properties and plant growth of agropastoral systems in the Llanos of Colombia. Soil & Tillage Research. 62:131-143. 2001