Changes in soil organic matter and phosphorus fractions under planted fallows and a crop rotation system on a Colombian volcanic-ash soil
Characteristics of Pseudomonas spp. causing grain discoloration and sheath rot of rice, and associated pseudomonas epiphytes
Blending "hard" and "soft" science: The "follow-the-technology" approach to catalyzing and evaluating technology change
Disc harrowing intensity and its impact on soil properties and plant growth of agropastoral systems in the Llanos of Colombia
A tool for community-based assessment of the implications of development on water security in hillside watersheds