Publicaciones y documentos: Envíos recientes
Mostrando ítems 1051-1060 de 4421
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Contribución de Acacia mangium en el aporte de fósforo en un sistema silvopastoril con Brachiaria humidicola bajo suelos ácidos
(1999)This study was conducted at the IDIAP experimental station of Calabacito, Panamá (mean annual rainfall of 2500 mm and temperature of 27 °C; soils are acid with high Al saturation), to determine the effect of the timber ... -
Costa Rican farmers' experience with the introduction of timber trees in their coffee plantations
(1999)Los agricultores de Pérez Zeledón, Costa Rica tienen una clara preferencia por Eucalyptus deglupta, Terminalia amazonia y T. ivorensis como maderables para sombra en sus plantaciones de café. Gmelina arborea fue identificado ... -
Un sistema bioclimático para el pronóstico de la sigatoka negra en plátano
(1993)The relationship between accumulated rainfall duration and the infection level of leaf number four of the plantains was used to construct a bioclimatic forecasting system of the black Sigatoka disease (Mycosphaerella ... -
Estudio de la densidad y distribución estomática en musáceas de diferente ploidia
(1995)Stomatal density and distribution in both sides of cigar leaves and also in the first and fourth leaves of three different ploidy (2n, 3n, 4n) musacea cultivars were studied. Tomatal density was higher in the 2n cultivar ... -
Distribución temporal y espacial de la radiación fotosintéticamente activa entre hileras de plátano (Musa AAB)
(1997)The distribution of photosynthetically active radiation (PAR) between plantain rows since planting, at the seasonal level (different dates since planting and every two hours durintg those dates) as well as at the spatial ... -
Algunas características físicas de la lluvia relacionadas con la erosión del suelo, en dos regímenes pluviométricos de Costa Rica
(1997)Rains' size, size distribution, and kinetic energy in two representative sites (Alajuela and Turrialba) of pluviometric rigemes predominant in Costa Rica (Caribbean and Pacific) were studied. Raindrops diameter ranged ...
