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Ecotoxicological evaluation of aquaculture and agriculture sediments with biochemical biomarkers and bioassays: antimicrobial potential exposure
(Journal of Environmental Biology, 2014-01)
Inappropriate practices and lack of regulations regarding antimicrobial use in agricultural production of developing countries increase the risk of exposure to aquatic ecosystems. Sediments may act as sink of antimicrobial ...
Decreased kidney function of unknown cause in Nicaragua: a community-based survey
(National Kidney Foundation, 2010)
Background: End-stage kidney disease overwhelms health services in Central America. We determined prevalences of decreased kidney function in distinct populations in the most affected region of Nicaragua. Study Design: ...
Acute, chronic and biochemical effects of chlorothalonil on Agalychnis callidryas, Isthmohyla pseudopuma and Smilisca baudinii tadpoles
(Springer, 2016-08-05)
Declines of amphibian populations have been a worldwide issue of concern for the scientific community during the last several decades. Efforts are being carried out to elucidate factors related to this phenomenon. Among ...
Lower tier toxicity risk assessment of agriculture pesticides detected on the Río Madre de Dios watershed, Costa Rica
(Springer, 2016-10-25)
Costa Rica is a tropical country with one of the highest biodiversity on Earth. It also has an intensive agriculture, and pesticide runoff from banana and pineapple plantations may cause a high toxicity risk to non-target ...
In situ toxicity and ecological risk assessment of agro-pesticide runoff in the Madre de Dios River in Costa Rica
(SpringerEuCheMS Division of Chemistry and the Environment, 2016-10-18)
The River Madre de Dios (RMD) and its lagoon is a biodiversity rich watershed formed by a system of streams, rivers, channels, and a coastal lagoon communicating with the Caribbean Sea. This basin sustains a large area of ...
Social movements and risk perception: unions, churches, pesticides and bananas in Costa Rica
(International Journal of Occupational and Environmental Health, vol. 19, no. 1 2013, 2013-11-12)
Background: Between 1992 and 2010 in the Costa Rican Caribbean, a social movement coalition called Foro Emau´s sought to change people’s view on problems of high pesticide use in banana production. Objective: To understand ...
Comparative Analysis of Pesticide Use Determinants Among Smallholder Farmers From Costa Rica and Uganda
(SAGE Publications Inc., 2020-12-14)
Pesticides are used globally in agriculture and pose a threat to the health of farmers, communities, and the environment. Smallholder farmers in lowand middle-income countries have generally a low socio-economic status and ...
Efecto del compost y el lombricompost utilizados en mezcla de sustratos sobre el rendimiento, calidad y rentabilidad del tomate (Solanum lycopersicum L) cultivado en altas densidades, en El Coyol, Barrio San José, Alajuela.
(Universidad Nacional, Costa Rica, 2021-03)
Este ensayo se realizó para determinar el efecto de dos dosis de compost y dos de lombricompost
mezclados con un sustrato base sobre rendimiento, calidad y el costo de producción del tomate
cultivado en alta densidad, ...
Evaluación del desarrollo vegetativo y floración en plantas de café (Coffea arábica L.) bajo la aplicación de tres biorreguladores
(Universidad Nacional, Costa Rica, 2021)
En el sector agrícola existe la tendencia a utilizar dentro de las aplicaciones foliares los bioestimulantes a base de fitohormonas, que podrían ayudar a promover en la planta cambios en momentos fisiológicos y disminuir ...
Determinación del potencial de una casa de sombra para la producción de tres hortalizas de hoja en El Águila de Pejibaye de Pérez Zeledón
(Universidad Nacional, Costa Rica, 2020-10)
La agricultura se puede definir como el arte de cultivar la tierra y corresponde a una actividad que contempla cultivar el suelo, el desarrollo para la producción y la recolección de la cosecha; existen diferentes modalidades ...