Tecnología en Marcha - vol.28 issue2

Table of contents
Tecnología en Marcha vol.28 n.2 Cartago Apr./Jun. 2015

Characterization of Three Organizations of Agricultural Production in the Sub-region Caraigres: Part 2. Descriptive Statistics of Producers
Vargas Jarquín, Edgardo

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Measurements and analysis of vibrations at Virilla Bridge, national route N° 1
Navarro-Henríquez, Francisco; Ureña-Muñoz, Daniel

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Design and implementation of an all-digital timing recovery system for asynchronous communication
Valenciano-Rojas, Jose Jaime; Rimolo-Donadio, Renato

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Free and open source simulation tools for the design of power processing units for photovoltaic systems
Morales-Hernández, Sergio; Meza-Benavides, Carlos

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Brucella abortus: pathogenicity and gene regulation of virulence
Rivas-Solano, Olga

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Integrated Organic Farm; a model aimed at contributing to food security for indigenous communities in Talamanca
Salazar-Díaz, Ricardo

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Evaluation of inorganic fertilization in cassava crop in the northern region of Costa Rica
Furcal-Beriguete, Parménides; Torres-Portuguez, Sergio; Andrade-Carballo, Wagner

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Ecological study on chronic kidney disease and arsenic in drinking water in districts of Guanacaste
Mora-Alvarado, Darner; Urbina-Campos, Azucena; Chamizo-García, Horacio

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Isolation of vanilla-endophytic bacteria(Vanilla planifolia) with in vitro biocontrol activity againstFusarium oxysporum f. sp. Vanillae
Jiménez-Quesada, Karol; Schmidt-Durán, Alexander; Quesada-Montero, Kevin; Moreira-González, Ileana

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Water as part of the culture of rural communities: an analysis for the San Carlos River basin
Moreira-Segura, Cristian; Araya-Rodríguez, Freddy; Charpentier-Esquivel, Claudia

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Solid waste management challenges for cities in developing countries
Abarca-Guerrero, Lilliana; Maas, Ger; Hogland, William

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Agroecological diagnosis of periurban watershed Platanitos River, Guatemala
Morales-Cayax, Miguel Ángel; Vanegas-Chacón, Eddi Alejandro; Bautista, Francisco

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