Mostrando ítems 1-10 de 128
Ecological risk assessment of current-use pesticides in the Sixaola Watershed, Costa Rica
(University of Idaho, Moscow, ID (EUA) CATIE, Turrialba (Costa Rica), 2007)
Among the most important research priorities identified in tropical ecotoxicology is the need for risk assessment models specific to pesticide fate and toxicity in tropical watersheds. A number de different pesticides are ...
Soil biogeochemical patterns in the Talamanca foothills, Costa Rica: local soil knowledge and implications for agroecosystems
(CATIE, Turrialba (Costa Rica) |
University of Idaho, Moscow, ID (EUA), 2008)
Los objetivos de esta investigación están resumidos en cuatro puntos: 1) Entender como los agricultores indígenas Cabécares en sus tres comunidades expresan sus conocimientos locales de suelos mediante la ubicación de sus ...
Effects of Erythrina poeppigiana pruning residues on soil organic matter in organic coffee plantations
(CATIE, Turrialba (Costa Rica) University of Wales, Bangor (RU). School of Agricultural and Forest Sciences, 2005)
The effects of Erythrina poeppigiana pruning residue effects on soil organic matter were investigated with three different objectives. Firstly, to study the effects of proximity of this shade tree on soil characteristics ...
Characterization of the spatial variability of soil properties and coffee fine roots in shade tree-coffee associations under organic and conventional managment practices
(CATIE, Turrialba (Costa Rica), 2011)
Investigaciones en sistemas agroforestales han enfatizado que estudios sobre interacciones bajo el suelo son importantes para el entender el desarrollo y la distribución de raíces finas de cultivos y árboles asociados. Los ...