Browsing Artículos científicos by Title
Now showing items 1-20 of 187
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A multi‑model approach to explore sustainable food and land use pathways for Argentina
(Springer, 2023-01-01)In Argentina, current food and land-use systems are drivers of greenhouse gas emissions, biodiversity loss, nutrient outflows, chemical pollution and water stress, while they fail to produce sustainable livelihoods for ... -
A New Methodological Approach to Study the Interaction of Humic Acids, Minerals and Polyvalent Cations in Soil
(Taylor & Francis, 2024-02-20)A new methodological approach of humic acid (HA) extraction is applied to study soil samples with contrasting management regimes: natural vegetation (NV) and agricultural (A). This innovative approach involves a modification ... -
A one-year longitudinal study of enterohemorrhagic Escherichia coli O157 fecal shedding in a beef cattle herd
(Elsevier, 2019-12-01)Bovines are the primary reservoir of enterohemorrhagic Escherichia coli (EHEC) O157:H7 and the main source of its transmission to humans. Here, we present a one-year longitudinal study of fecal shedding of E. coli O157. ... -
A Rapid and Simple Manifold to Study Exchangeable Cations and Cation Exchange Capacity in 24 Soil Samples Simultaneously
(Taylor & Francis, 2020)The outcomes of this work highlight the development and validation of a rapid and simple manifold for determination of exchangeable cations [calcium (Ca), magnesium (Mg), sodium (Na), and potassium (K)] and cation exchange ... -
Adsorption and transport of imazapyr through intact soil columns taken from two soils under two tillage systems
(2015)The objective of this work was to study the sorption and transport of imazapyr (IMZ) in two soils with different physical–chemical properties, subject to long-term conventional tillage (CT) and no-tillage (NT) systems. ... -
Aggregation kinetics of humic acids in the presence of calcium ions
(2013)The aggregation kinetics of a humic acid (HA) sample as a function of Ca2+ concentration at pH 5, 7 and 9 was investigated. UV–VIS spectroscopy was employed to quantify the progress of the aggregation reaction, and ... -
Agricultural loess soils along a climosequence evidenced different susceptibility to acidification by simulated N-fertilization
(Elsevier, 2018)Agricultural loess soils of the central region of Argentina show acidification evidences linked to both climatic conditions and N-fertilization. Because of that, simulations to estimate the future acidification trends ... -
Agriculture in semiarid ecosystems favors the increase fossorial rodent’s activity in La Pampa, Argentina
(Springer, 2019-05-16)Technological advancements and new production systems modify the conditions of natural environments. Transformations in an arid landscape caused by alfalfa cropping under pressurized irrigation systems have generated a ... -
Alternativa rápida de extracción de ADN en quistes de Acanthamoeba para uso en el laboratorio de análisis clínicos
(Federación Bioquímica de la Provincia de Buenos Aires, 2022-04-01)El objetivo del estudio fue comparar la extracción de ADN de quistes de Acanthamoeba sp. con un método disponible comercialmente y cuatro no comerciales utilizando tratamiento térmico y ultrasonido para la amplificación ... -
Analytical methods assessment for exchangeable cations analysis in soil: MIP OES appraisement
(Taylor & Francis, 2020-09-21)Soil monitoring and research often requires a comparison of laboratory data generated by diverse instruments and in different laboratories to demonstrate the reliability and accuracy of the results. The outcomes of this ... -
Análisis comparativo de dos técnicas para evaluar la capacidad de retención de agua en Chuquiraga erinacea Don = Comparative analysis of two techniques to evaluate the water storage capacity in Chuquiraga erinacea Don
(Facultad de Agronomía, UNLPam, 2018)La intercepción de lluvia es un proceso escasamente estudiado en ambientes áridos y semiáridos. El objetivo de este estudio fue analizar comparativamente dos técnicas de campo para evaluar la capacidad de retención de ... -
Análisis del carbono total, orgánico e inorgánico en suelos de la región semiárida pampeana argentina = Assessment of total, organic and inorganic carbon in soils of semiarid argentinian pampas
(Asociación Argentina de la Ciencia del Suelo, 2016)Existe una fuerte motivación por el desarrollo de métodos precisos y exactos para determinar carbono (C) en suelos, debido a la importancia agronómica y medioambiental de este elemento. En suelos calcáreos el C total (CT) ... -
Aportes para el manejo integrado del agua: estudio hidro-morfológico con datos satelitales multifrecuencia en la cuenca alta del río Colorado, Argentina
(Asociación Geológica Argentina, 2024-03-30)La cuenca del río Colorado tiene su origen en la Cordillera de los Andes y recorre el país a lo largo de más de 1200 km para desaguar en el Océano Atlántico. Debido a que numerosos usos del agua a lo largo de toda la cuenca ... -
Aspergillus fuscicans (Aspergillaceae, Eurotiales), a new species in section Usti from Argentinean semi-arid soil
(2018-03)Aspergillus fuscicans, a new species within Aspergillus section Usti from Argentinean semi-arid soil is introduced. Molecular, morphological and physiological studies were conducted, based on sequence analysis of partial ... -
Assessing chemical composition variations on vintage, vineyard location and grape ripeness: A regional study of red wines produced in the colorado river middle basin, La Pampa (Argentina)
(Elsevier, 2024-10)This work aimed to characterize chemical composition of Malbec and Cabernet Franc red wines from two different regions of La Pampa’s province, which stands out as one of the youngest wine-producing regions in Argentina and ... -
Assessing the glyphosate tolerance of Lotus corniculatus and L. tenuis to perform rhizoremediation strategies in the Humid Pampa (Argentina)
(2016)The broad-spectrum herbicide glyphosate (N – phosphonomethylglicine) is the most common pesticide used in the Humid Pampa, the main agricultural region in Argentina. According to agronomical practices and topogeographical ... -
Assessing the vulnerability of groundwater resources in semiarid lands of central Argentina
(Springer, 2018)Groundwater resources in semiarid lands of central Argentina are currently threatened by contamination from agricultural pesticides. The objectives of the present work were: (a) to estimate groundwater recharge on a monthly ... -
Áreas de riesgo agroclimático para cuatro rotaciones de cultivos de la región oriental agropecuaria de La Pampa (Argentina) = Agroclimatic risk areas for four crop rotation schedules in the agricultural eastern region of La Pampa (Argentina)
(Facultad de Agronomía, UNLPam, 2014)Los riesgos climáticos son, en esencia, la probabilidad de ocurrencia de eventos de baja frecuencia que más tarde o más temprano terminan desarrollándose, guiados por su particular periodicidad. Estos riesgos se convierten ... -
Bancos de germoplasma de recursos fitogenéticos, reserva de alimentos para futuras generaciones
(Facultad de Agronomía, Universidad Nacional de La Pampa, 2024-11)Los bancos de germoplasma son sitios dedicados a la preservación del material biológico. Su objetivo final es lograr la conservación de la biodiversidad a corto, mediano o largo plazo, evitando la pérdida de la diversidad ... -
Biomasa acumulada e indicadores de calidad nutritiva en cebadilla chaqueña (Bromus auleticus Trinius ex Nees)
(Gerencia de Comunicación e Imagen Institucional, DNA SICC, INTA, 2012-12)Bromus auleticus (cebadilla chaqueña) es considerada uno de los recursos forrajeros más promisorios del Cono Sur. Presenta variación entre poblaciones que ha sido determinada para diversos caracteres vegetativos, lo cual ...