Recherche
Voici les éléments 1-10 de 18
A amazonia e os objetivos do milenio
(Instituto do Homem e Meio Ambiente da Amazonia, Belém (Brasil), 2007)
Os Objetivos de Desenvolvimento do Milênio estabelecidos pela ONU propõem metas e indicadores para medir e orientar a melhoria nas condições socioeconômicas (pobreza, educação, saúde, desigualdade entre os gêneros, mortalidade ...
Influence of topographic and edaphic factors on vulnerability to soil degradation due to cattle grazing in humid tropical mountains in northern Honduras
(2013-06-14)
Low altitude humid tropical mountains in Central America have experienced a process of livestock expansion during recent decades.However, the use of sloping areas for cattle grazingmay lead to significant soil degradation ...
Proyecto leña y fuentes alternas de energía. Informe trimestral
(Centro Agronómico Tropical de Investigación y Enseñanza, Turrialba (Costa Rica). Programa de Recursos Naturales Renovables., 1981)
Observaciones sobre la biología de Scolytodes alni Wood (Coleoptera: Scolytidae) descortezador de Jaul (Alnus acuminata)
(CATIE, Turrialba (Costa Rica), 1991-07)
Insect pathogenic fungi in Hypothenemus hampei, Leucoptera coffeella and in the soil in coffe plantations in Central America: natural occurrence, management system and genetic diversity
(Norwegian University of Life Science, Hogskoloveien (Noruega) Norwegian Institute for Agricultural and Environmental Research, Hogskoleveien (Noruega) CATIE, Managua (Nicaragua). Proyecto MIP Universidad Nacional Agraria, Managua (Nicaragua), 2007)
In this thesis, results on B. bassiana natural infection levels in H. hampei and L. coffella populations throughout a season during two years are therefore presented. This will help in suggesting good strategies for the ...