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Mostrando ítems 205-224 de 563
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Estimating soil organic carbon through loss on ignition: effects of ignition conditions and structural water loss
(John Wiley & Sons Ltd, 2015-03)Loss on ignition (LOI) is one of the most widely used methods for measuring organic matter content in soils but does not have a universal standard protocol. A large number of factors may influence its accuracy, such as ... -
Estimation and analysis of insect population dynamics parameters via physiologically based models and hybrid genetic algorithm MCMC methods
(Elsevier, 2023-11)Decision support systems are gaining importance in several fields of agriculture, forest, and ecological systems management. Their predictive potential, entrusted to mathematical models, is of fundamental importance to set ... -
Estudio de características vinculadas al procesamiento textil en lanas del Consorcio Regional de Innovación en Lanas Ultrafinas = Evaluation of characteristics related to textile processing in wool from the Regional Consortium of Innovation in Ultrafine Wools
(2017-11-20)El objetivo de este trabajo fue tipificar las características vinculadas al procesamiento textil en lanas producidas en establecimientos del Consorcio Regional de Innovación en Lanas Ultrafinas (CRILU), para determinar si ... -
Evaluación de daños por heladas tardías en ensayos de procedencias de pino oregón introducidos en el norte de la Región Andino Patagónica Argentina
(Universidad Austral de Chile, 2005-12)The susceptibility to late frost of the seed source used for afforestations at the moment it is one of the main adaptatives characteristic limiting the increase of the planted area of Douglas-fir (Pseudotsuga menziesii ... -
Evaluación de la efectividad del Triclabendazol como fasciolicida en caprinos de la provincia de Neuquén, Argentina.
(Facultad de Ciencias Veterinarias, Universidad Nacional del Litoral, 2021-11-02)Debido al uso frecuente del triclabendazol (TCBZ) por parte de los productores, sumado al reporte reciente de resistencia de Fasciola hepatica al fármaco detectada en rodeos y majadas de Neuquén, se llevó a cabo el presente ... -
Evaluación de la precisión y la exactitud de equipos de laboratorios que determinan la calidad de fibras de ovinos
(Facultad de Medicina Veterinaria, Universidad Nacional Mayor de San Marcos, 2020)El estudio tuvo como objetivo evaluar la precisión y exactitud de equipos que determinan la calidad de fibras de ovinos. Los equipos utilizados (total = 15) fueron Sirolan Laserscan, OFDA 2000, Minifiber EC y Fiber EC, ... -
Evaluación de pastizales patagónicos con imágenes de satélites y de vehículos aéreos no tripulados
(Asociación Argentina de Ecología, 2019-12)La evaluación de pastizales en regiones áridas y semiáridas es una herramienta clave tanto para planificar el manejo ganadero como para realizar diagnósticos ambientales. Si bien hay un consenso sobre la utilidad de dicha ... -
Evaluación de una técnica de doble difusión en gel de Agar para el diagnostico de la infección por Brucella Ovis en carneros
(Biogenesis Bagó, 1998)La brucelosis ovina por Brucella ovis es una enfermedad infecto contagiosa de distribución mundial, presente en nuestro país desde 1963. El diagnóstico serológico basado en la inmunodifusión en gel de agar ha sido la técnica ... -
Evaluating the performance of multiple remote sensing indices to predict the spatial variability of ecosystem structure and functioning in Patagonian steppes
(2013-11)Assessing the spatial variability of ecosystem structure and functioning is an important step towards developing monitoring systems to detect changes in ecosystem attributes that could be linked to desertification processes ... -
Evaluation framework of community-based livestock breeding programs
(2018-03)The objective of this paper is to present an evaluation framework to provide guidance for an assessment of the performance, outputs and associated impacts of community-based livestock breeding programs (CBBPs), responding ... -
Evaluation of mohair quality in Angora goats from the Northern dry lands of Tajikistan
(2013-06)Mohair quality of Angora goats in the Sogd Province of Tajikistan was assessed in spring and autumn 2007 and 2008 by inspecting and sampling a total of 797 goats of both sexes, different ages and several coat colors from ... -
Evaluation of plantation and early development of five alternatives to ponderosa pine in silvopastoral systems in northwest Patagonia, Argentina
(2016)En la región patagónica de Argentina, silvopastoril, los sistemas se basan en las plantaciones de coníferas exóticas en pastizales naturales del ecotono estepa-bosque Pino ponderosa es la especie más ampliamente utilizados ... -
Evaluation of the toxicological effects of Neltuma alpataco (Prosopis alpataco) pod alkaloid extract
(Elsevier, 2024-04)The pods of Neltuma spp. have shown potential as a source of protein and energy in livestock. However, prolonged consumption of some of these species can lead to neurological symptoms in ruminants. This study aimed to ... -
Evaluation of three different antigens in an indirect enzyme-linked immunoassay for the detection of antibodies against Brucella abortus SRB51 in vaccinated heifers
(Elsevier, 2009)The live attenuated Brucella abortus SRB51 (SRB51) is a partial O-chain-deprived mutant. The relative lack of the polysaccharide prevents it from inducing antibodies detectable by most of the serological tests used for the ... -
Evidence of genetic determination in the growth habit of Nothofagus pumilio (Poepp. & Endl.) Krasser at the extremes of an elevation gradient
(Taylor & Francis, 2020)In temperate mountainous regions, altitudinal clines in tree size and growth habit develop from a gradual adjustment of multiple traits to tolerate harshening conditions with altitude. We perform a common garden trial with ... -
Evidence on the response of Patagonian forage grasses to the mulching effect of recent tephra deposits in Argentina
(Taylor & Francis, 2017-08-31)In Patagonia, arid and semiarid lands are being affected both by inappropriate management practices, which are leading to degradation, and by volcanic activity, whose effects are still unclear. This study aimed to test ... -
Exploring drivers and levels of technology adoption for ecological intensification of pastoral systems in north Patagonia drylands
(Elsevier, 2022-02)Although pastoral systems make a significant contribution to food security, they are also pointed out as being responsible for substantial environmental impact. Ecological intensification through process- rather than ... -
Exploring farmer perceptions of agricultural innovations for maize-legume intensification in the mid-hills region of Nepal
(Taylor & Francis, 2018)Maize-legume intercropping is a fundamental component of mixed farming systems in the mid-hills of Nepal. However, its productivity is constrained by several biophysical and social factors, and limited adoption of proven ... -
Exploring nutrient-sensitive landscape configurations for rural communities in southern Mexico
(Elsevier, 2024-06)In Mexico, the traditional MILPA polycropping system is giving way to maize monocultures, impacting the nutritional diversity of smallholder farmers and diminishing ecosystem services. This study explores landscape ... -
Exploring solution spaces for nutrition-sensitive agriculture in Kenya and Vietnam
(Elsevier, 2020-04)Smallholder agriculture is an important source of livelihoods in South Asia and sub-Saharan Africa. In these regions the highest concentrations of nutritionally vulnerable populations are found. Agricultural development ...