Escuela de Ciencias Agrarias
La Escuela de Ciencias Agrarias (ECA)
de la Universidad Nacional, genera conocimientos y capacidades por medio de la docencia, investigación, extensión y servicios, que contribuyen al desarrollo de la agricultura sostenible, los agronegocios y la competitividad, y de los espacios rurales y territoriales, para mejorar el desarrollo humano sostenible y equitativo de la sociedad.
Contáctenos:
Página web:
www.agrarias.una.ac.cr/
Correo:
agrarias@una.cr
Teléfono: (506) 2277-3092 / (506) 2277-3296 / (506) 2277-3566
Collections in this community
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Conferencias [2]
Recent Submissions
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Identification and molecular characterisation of fifteen tropical isolates of the entomopathogenic fungus Metarhizium
(Taylor and Francis Ltd., 2020-02-26)Twelve Metarhizium isolates from Costa Rica, two from Honduras and one from Nicaragua were characterised using molecular and morphological information. Two gene sequences, TEF1-α and β-TUB, identified isolates as M. ... -
CIENCIA, TECNOLOGÍA Y EDUCACIÓN EN COSTA RICA EN EL PERÍODO 2010-2014
(Universidad Nacional, Costa Rica, 2017-09-01)En este artículo se analizaron las distintas redes vinculadas a la formulación de políticas públicas en la Comisión de Ciencia y Tecnología del Congreso de Costa Rica, entre el 2010 y 2014, con el propósito de describir ... -
Classification of neck/shoulder pain in epidemiological research: a comparison of personal and occupational characteristics, disability, and prognosis among 12,195 workers from 18 countries
(International Association for the Study of Pain, 2016)To inform case definition for neck/shoulder pain in epidemiological research, we compared levels of disability, patterns of association, and prognosis for pain that was limited to the neck or shoulders (LNSP) and more ... -
Comparación de los problemas fitosanitarios en orquídeas de poblaciones silvestres y de cultivo, como evaluación de riesgos de plagas o epidemias
(Universidad de Costa Rica, 2007)Los ecosistemas naturales mantienen un autocontrol de poblaciones, que es afectada por factores exógenos. Mientras que en sistemas alterados se necesitan controladores exógenos para mantener un cierto tipo de equilibrio ... -
El desarrollo cooperativista en los pescadores artesanales del Golfo de Nicoya, Costa Rica
(Universidad de Costa Rica, 1989-12-31)A comienzos de la década de los setenta el gobierno de Costa Rica en colaboración con algunas agencias internacionales se propusieron mejorar el nivel de vida de los pescadores artesanales del Golfo de Nicoya. Estos esfuerzos ... -
Citrus Huanglongbing Caused by Candidatus Liberibacter asiaticus Present in the Northern Region of Costa Rica but Has Not Extended to Other Citrus-Growing Areas
(American Phytopathological Society, 2015-10-16)Since 2011, citrus Huanglongbing (HLB, ex-greening) disease has been detected in Los Chiles, Costa Rica, close to the Nicaraguan border, by the State Phytosanitary Service (Servicio Fitosanitario del Estado; SFE) and by ... -
Mormodes salazarii (Orchidaceae, Catasetinae), a new species with greenish-white flowers from Costa Rica
(Phytotaxa, 2016-01-25)Mormodes salazarii (Orchidaceae, Catasetinae), a new species apparently endemic to Costa Rica, is described and illustrated. It is similar to M. fractiflexa because of its non-resupinate flowers, entire lip and revolute ... -
Checklist of the vascular flora of Reserva Biológica San Luis, Costa Rica
(Pensoft, 2016-03-21)The Reserva Biológica San Luis is a small protected area located on the Pacific side of the Cordillera de Tilarán, northwestern Costa Rica, with a forest transitioning between the basal and premontane floras according to ... -
Free-living nematodes from nature reserves in Costa Rica. 4. Cephalobina
(Brill, 2003)Four species of Cephalobina: Geraldius bakeri, Diastolaimus croca, Trualaimus culeatus and Tricirronema tentaculatum are described and illustrated on the basis of material collected in Costa Rica. A scanning electron ... -
Biomass dynamics of Erythrina lanceolata as influenced by shoot-pruning intensity in Costa Rica
(Springer, 2003)Pruning of agroforestry trees, while reducing shade of the crops, usually reduces both biomass production and nitrogen fixation. Short pruning cycles are often not sustainable on the long run, because tree production ... -
Anxiolytic activity and active principles of Piper amalago (Piperaceae), a medicinal plant used by the Q’eqchi’ Maya to treat susto, a culture-bound illness
(Elsevier, 2016-06-05)Ethnopharmacological relevance The medicinal plant, Piper amalago L. (Piperaceae), is used traditionally by Q'eqchi' Maya healers for the treatment of "susto" a culture-bound syndrome. Previous research suggests that susto ... -
Turmoil at Turrialba Volcano (Costa Rica): Degassing and eruptive processes inferred from high-frequency gas monitoring
(Wiley, 2016-08-28)Eruptive activity at Turrialba Volcano (Costa Rica) has escalated significantly since 2014, causing airport and school closures in the capital city of San José. Whether or not new magma is involved in the current unrest ... -
Micromorfología de los foliolos de pejibaye Bactris gasipaes (Arecaceae) var. Diamantes-10
(Universidad de Costa Rica, 2016-07-01)Bactris gasipaes is widely cultivated for the consumption of palm hearts and fruits. The present work describes the micro morphological characteristics of leaflets from adult plants of B. gasipaes, thornless ... -
Chemical composition of PM 2.5 particles in Salamanca, Guanajuato Mexico: Source apportionment with receptor models
(Science Direct, 2012-04)The National Institute of Ecology, through Management General for Environmental Research and Training (DGCENICA) carried out a sampling campaign where a total of 21 elements were determined in 140PM 2.5 samples from one ... -
A NEW SPECIES OF NEMATODE, SCLERORHABDITIS NEOTROPICALIS SP.N. (RHABDITIDA), ASSOCIATED WITH AZTECA ANTS IN CECROPIA OBTUSIFOLIA
(Nematropica, 2012-06)Sclerorhabditis neotropicalis sp. n. is described and illustrated. It can be distinguished by its body length (515-560 μm in females and 363-455 μm in males), lip region with crown-shaped lips, having acute three acute ... -
Reverse Taxonomy for Elucidating Diversity of Insect-Associated Nematodes: A Case Study with Termites
(Public Library of Science, 2012-08-28)Background: The molecular operational taxonomic unit (MOTU) has recently been applied to microbial and microscopic animal biodiversity surveys. However, in many cases, some of the MOTUs cannot be definitively tied to any ... -
Quality differentiation of cocoa beans: implications for geographical indications
(Journal of the Science of Food and Agriculture, 2021-01-09)Geographical indications may stimulate collective actions of governance for quality control, trade and marketing as well as innovation based on the use of local resources and regional biodiversity. Cocoa production, however, ... -
Efecto del biocarbón, lombricompost y Robust® aplicados al suelo sobre el desarrollo y tolerancia del pepino (Cucumis sativus L.) a la mosca blanca (Bemisia tabaci Gennadius) bajo condiciones de invernadero en Barva, Heredia.
(Universidad Nacional, 2019-01)Este estudio evaluó el efecto individual y combinado del biocarbón, lombricompost y Robust® (Pseudomonas fluorescens y Bacillus subtilis), sobre el desarrollo (crecimiento, producción de hojas, biomasa y concentraciones ... -
Comportamento do consumidor português de vinho biológico
(Editora Átomo, 2020-05-19)Embora nos últimos anos o vinho biológico tenha evoluído de forma positiva na produção e no consumo, devido a uma maior preocupação e consciência ambiental e com a saúde, continua a ser uma atividade económica em Portugal ... -
Curing of Cocoa Beans: Fine-Scale Monitoring of the Starter Cultures Applied and Metabolomics of the Fermentation and Drying Steps
(Frontiers Media, 2021-01-11)Starter culture-initiated cocoa fermentation processes can be applied to improve the quality of cured cocoa beans. However, an accurate monitoring of the microbial strains inoculated in fresh cocoa pulp-bean mass to assess ...
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