A5058973995- Soil Carbon and Nitrogen Dynamics
- Legume Nitrogen Fixing Symbiosis
- Agroforestry and silvopastoral systems
- Helminth infection and control
- Soil and Water Nutrient Dynamics
- Plant and soil sciences
- Mollusks and Parasites Studies
- Rangeland Management and Livestock Ecology
- Soil erosion and sediment transport
- Agricultural and Food Production Studies
- Parasite Biology and Host Interactions
- Plant nutrient uptake and metabolism
- Ruminant Nutrition and Digestive Physiology
- Coccidia and coccidiosis research
- Ecosystem dynamics and resilience
- Ecology and Vegetation Dynamics Studies
- Banana Cultivation and Research
- Parasites and Host Interactions
- Fire effects on ecosystems
- Soil Management and Crop Yield
- Composting and Vermicomposting Techniques
- Pesticide and Herbicide Environmental Studies
- Tree Root and Stability Studies
- Pharmaceutical and Antibiotic Environmental Impacts
- Groundwater and Isotope Geochemistry
Universidad de las Fuerzas Armadas ESPE
2019-2023
Universitat de València
2019
Universidad Nacional de Córdoba
2001-2016
Bentham Science Publishers (China)
2013
Bentham Science Publishers (United Arab Emirates)
2013
Peoples' Friendship University of Russia
2005-2007
La agricultura convencional se caracteriza por el uso excesivo de maquinarias, agroquímicos y prácticas poco cuidadosas con ambiente. El objetivo esta investigación fue determinar efecto los herbicidas (glifosato paraquat) sobre la población microorganismos rizósferos en cultivo Theobroma cacao L., parroquia Luz América, Ecuador. realizó periodo junio-noviembre 2019; un siete años edad, sembrado arreglo 4x4 m, 6,36% materia orgánica, suelo franco limo arcilloso pH 5,93; manejo idéntico toda...
Low-molecular-weight RNA analysis was performed for the identification and classification of 20 Argentinian strains isolated from root nodules Prosopis alba. SDS-PAGE total cellular proteins, determination DNA base composition, DNA-DNA reassociation experiments physiological biochemical tests were also carried out these whole 16S rRNA gene sequenced one strains, strain LMG 19008T. Results genotypic phenotypic characterization showed that in this study belong to a group clustered genus...
Las musáceas son muy importantes para fines de alimentación a nivel mundial, en el Ecuador estas ocupan 20,57 % la superficie plantada, siendo cantón El Carmen, uno los principales sitios dedicados esta explotación. Por otra parte, Ralstonia solanacearum, es causante enfermedad conocida como Moko plátano, cual puede desaparecer 100 una plantación. objetivo fue, realizar caracterización morfológica y bioquímica R. solanacearum Raza 2, bacteria patógena cultivos banano plátano Manabí, Ecuador....
Fascioliasis is a disease caused by Fasciola hepatica worldwide transmitted lymnaeid snails mainly of the Galba/Fossaria group and F. gigantica restricted to parts Africa Asia Radix lymnaeids. Concern has recently risen regarding high pathogenicity human infection capacity gigantica. Abnormally big-sized fasciolids were found infecting sheep in Ecuador, only South American country where been reported. Their phenotypic comparison with from Peru, Bolivia Spain, Egypt Vietnam demonstrated...
El maíz es un cultivo de importancia económica a nivel mundial. La expresividad las características genotípicas y fenotípicas, son afectadas por condiciones ambientales la que se expone planta. Por ello el objetivo presente investigación fue evaluar desarrollo rendimiento del maíz, para aportar con expansión frontera agrícola, utilizando cuatro híbridos durante periodo noviembre – febrero 2016. ensayo desarrolló en parroquia Luz América, provincia Santo Domingo los Tsáchilas Ecuador. manejo...
We evaluated the effects of amount and type C compounds (labile/recalcitrant) crop residues on soil organic matter (SOM) components under no-tillage practices in semiarid region Argentina, with aim establishing criteria for sustainable agriculture. Five agricultural situations were evaluated: soybean/wheat rotation (wheat at bare fallow); soybean monoculture; soybean/maize maize/wheat/potato rotations biannual ploughing. In each situation samples collected. residue samples, biomass (total...
We report the first finding of Lymnaea cousini naturally infected with Fasciola hepatica in Ecuador. A sample 70 snails was collected April 2005 from a wetland located valley at approximately 3000 m a.s.l., near locality Machachi, Pichincha Province. The prevalence natural infection L. 31.43%, which is highest value ever recorded for lymnaeid species.
We evaluated the abundance of microbial functional groups involved in compost fertility, and chemical parameters maturity quality most commonly analyzed products. employed produced using same hydrolytic stage two maturation processes (with without earthworms) with different organic wastes. Our aim was to propose a valid tool for measuring standards fertility from perspective. The products obtained both were highly variable their biological composition (without following general pattern)....
There is great concern worldwide about air and water pollution arising from N-fertilizer. Considering the expansion of agriculture fertilization practices in Argentina, objective this study was to determine effect Nfertilizers on soil N dynamics then relationship with nitrate concentration aquifers. Soil samples were taken during a maize crop cycle two agricultural farms under different treatments: UAN (urea, ammonium tiosulfate, 110 kg ha-1); UREA 60 ha-1). treatment produced an increase...
We assessed the effects of seasonal variations (dry and wet), substrate type (litter soil), land use (grazing) on relationship between cellulolysis humification processes in west-central arid region Argentina to establish a powerful realistic pattern close this information gap terrestrial C modeling dry lands. Three composite samples soil litter were collected from ungrazed grazed sites, following parameters analyzed: (i) all samples: water content, cellulolytic microorganism abundance,...
Se evaluaron los cambios en parámetros de fertilidad y densidad microbiana suelos bosque serrano chaqueño manejados con fuego para favorecer el crecimiento pastizales fines ganaderos. El área estudio se ubicó la Reserva Hídrica Provincial La Quebrada, provincia Córdoba, Argentina(31° 05’ S 64° 28’ O). Las mediciones realizaron dos sitios iguales características ecológicas manejo, uno cuales soportó quema su vegetación. En cada sitio colectaron muestras suelo al finalizar incendio a 30, 180,...