Buscar
Mostrando ítems 1-10 de 18
Adaptation of biomixtures for carbofuran degradation in on-farm biopurification systems in tropical regions
(2015-07)
A biomixture constitutes the active core of the on-farm biopurification systems, employed for the detoxification of pesticide-containing wastewaters. As biomixtures should be prepared considering the available local ...
Chemical and microbiological interactions between soils and roots in commercial banana plantations (Musa AAA, cv. Cavendish)
(2015-12-14)
A study was performed to determine the relationships between soil chemical and microbiological conditions and how they impact soil production. The study was carried out on six Costa Rican commercial banana farms with high, ...
Fungal bioaugmentation of two rice husk-based biomixtures for the removal of carbofuran in on-farm biopurification systems
(2016-02)
The ligninolytic fungus Trametes versicolor was employed in the bioaugmentation of compost- (GCS) and
peat-based (GTS) biomixtures for the removal of the insecticide-nematicide carbofuran (CFN). Among several lignocellulosic ...
Optimization of a Fungally Bioaugmented Biomixture for Carbofuran Removal in On-Farm Biopurification Systems
(2016)
Biomixtures comprise the active part of biopurification systems (BPS) for the removal of pesticide-containing wastewater from agricultural origin. Considering that biomixtures contain an important amount of lignocellulosic ...
Lettuce for Human Consumption Collected in Costa Rica Contains Complex Communities of Culturable Oxytetracycline- and Gentamicin-Resistant Bacteria
(2006-09)
The present widespread use of antimicrobials in crop farming is based upon their successful application in
human medicine. However, recent evidence suggests that the massive anthropogenic release of antimicrobials into ...
Daño del ADN en trabajadoras bananeras expuestas a plaguicidas en Limón, Costa Rica
(Revista de Biología Tropical 50 (2):507-518, 2002, 2002-06)
Pesticide use in Costa Rica is very high and all year round. A high percentage of what is sprayed
remains in the environment and in the living organisms around. This situation brings contamination and health
problems to ...
Determinación del costo de la crianza de terneras desde el nacimiento hasta el destete en una lechería comercial especializada
(2015)
El objetivo del presente trabajo fue determinar el costo económico asociado a la cría de reemplazos desde el nacimiento hasta el destete en una finca lechera comercial. Las determinaciones se realizaron en una finca de ...
Fasciola hepatica en ganado bovino de carne en Siquirres y lesiones anatomo-histopatológicas de hígados bovinos decomisados en mataderos de Costa Rica
(2013-12-11)
This study was carried out in order to determine Fasciola hepatica infection in a farm dedicated to fattening beef cattle in Siquirres, Limón province; also, to characterize the most common lesions in parasitized bovine ...
Concentración de inmunoglobulinas totales en calostros de vacas en explotaciones lecheras de Costa Rica
(2015)
El objetivo del presente estudio fue determinar la concentración de inmunoglobulinas (Igs) totales en el calostro producido por vacas lecheras y establecer el efecto que la raza y el número de parto pueden tener sobre dicha ...
Micronúcleos y otras anormalidades nucleares en el epitelio oral de mujeres expuestas ocupacionalmente a plaguicidas
(Revista de Biología Tropical 52(3) p. 611 -621, 2004-12-15)
In order to study if banana fields labour exposure to pesticides produces some kind of DNA damage,
we determine the presence of micronuclei in epithelial oral cells in working women in Guapiles and
Siquirres, Costa Rica, ...