First records of the sugar cane and forage grass pest, Prosapia simulans (Homoptera: Cercopidae), from South America
Changes in soil organic matter and phosphorus fractions under planted fallows and a crop rotation system on a Colombian volcanic-ash soil
Genetic structure and population dynamics of Xanthomonas axonopodis pv. manihotis in Colombia from 1995 to 1999
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
A global assessment using PCR techniques of mycorrhizal fungal populations colonising Tithonia diversifolia