Artículos científicos: Envíos recientes
Mostrando ítems 281-300 de 655
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Modeling forest site productivity using climate data and topographic imagery in Pinus elliottii plantations of central Argentina
(Springer Science, 2020-10)Key message: To be useful for silvicultural and forest management practices, the models of Site Index (SI) should be based on accessible predictor variables. In this study, we used spatially explicit data obtained from ... -
Evaluación del impacto hidrológico de una forestación de Eucalyptus viminalis Labill. en un ambiente típico de la llanura Pampeana, Argentina
(Facultad de Ciencias Agrarias y Forestales, Universidad Nacional de La Plata, 2020-12-07)Las transiciones de sistemas herbáceos a leñosos, suelen tener las improntas hídricas más significativas. Este efecto sobre el recurso hídrico, tanto en el suelo como en el acuífero freático, puede magnificarse en territorios ... -
Selection and hybridization shaped the rapid spread of African honey bee ancestry in the Americas
(Public Library of Science, 2020-10)Recent biological invasions offer ‘natural’ laboratories to understand the genetics and ecology of adaptation, hybridization, and range limits. One of the most impressive and well-documented biological invasions of the ... -
A simple and rapid direct injection method for the determination of glyphosate and AMPA in environmental water samples
(Springer Verlag, 2018-12-10)Glyphosate is currently the most widely used herbicide in the world, yet screening of environmental waters for this chemical is limited by the need for specialized derivatization and measurement methods that can be tedious ... -
Effect of conventional and no-till practices on solute transport in long term field trials
(Elsevier, 2014-05)The prediction and description of water and solute movement in soils under different tillage systems is essential to the study of pesticide contamination in soils and groundwater quality. However, the impact of tillage ... -
Monensin occurrence in surface water and its impact on aquatic biota in a stream of the southeast Pampas, Argentina
(Springer Science, 2020-10-16)Monensin is an ionophore antibiotic used as a feed additive and growth promoter in cattle production worldwide. The occurrence of monensin in aquatic surficial ecosystems is of concern due to its possible detrimental effects ... -
Microsatellite genotyping reveals extensive genetic diversity in bovine Neospora caninum from the humid Pampa region in Argentina
(Springer Verlag, 2020-10-15)Neospora caninum is an apicomplexan protozoan and a major cause of abortion in cattle worldwide. In the Argentinian Humid Pampa, bovine neosporosis causes severe economic losses. Despite this, information on the genetic ... -
Is the argentine postharvest system ready to handle more and better grains?
(Elsevier, 2019-09)This is the first comprehensive study of the grain postharvest system of Argentina with the following objectives: 1) to group the grain elevators according to structural, technological, and insect control characteristics; ... -
El cambio climático y la ganadería bovina: una evaluación para el sudeste bonaerense, Argentina
(Universidad de Concepción, Chile, 2018-12)No se cuenta con estimaciones de los efectos del cambio climático sobre la producción y el rendimiento económico de la ganadería del sudeste bonaerense. El objetivo de este trabajo fue estimar los efectos del cambio climático ... -
Improvement of Leptospira spp. diagnosis in aborted bovine fetuses by qPCR
(Elsevier, 2020-09)Leptospirosis is a disease with major economic impact on livestock industry. The objective of this work was to determine the presence of Leptospira spp. DNA by qPCR in bovine fetuses with presumptive diagnosis of leptospirosis ... -
Glyphosate and aminomethylphosphonic acid (AMPA) are commonly found in urban streams and wetlands of Melbourne, Australia
(Elsevier, 2020-01)Glyphosate is the most widely-used pesticide for weed control in agriculture and in urban and residential areas. This is the first study to quantify glyphosate and AMPA levels in surface water in Australia from different ... -
Isolation of streptomycetes causing common scab from 3-years old potato samples from South America
(Estonian Agricultural University, 2020-01)In this paper, we aimed at assessing the best conditions for the isolation of actinobacteria from old potato samples. A set of media and pretreatments were tested. The optimal were chosen for the isolation of actinobacteria ... -
How to avoid having your manuscript rejected: Perspectives from the Editors of Forest Ecology and Management
(Elsevier, 2020-06)This editorial is adapted from the original version written by JoshuaSchimel and Karl Ritz, Editors-in-Chief of Elsevier's journal Soil Biologyand Biochemistry: https://doi.org/10.1016/j.soilbio.2020.107823. Dr.Schimel and ... -
Transformación eficiente de Solanum tuberosum cv. Spunta mediada por Agrobacterium tumefaciens utilizando higromicina como agente selectivo
(Ediciones INTA, 2020-08)La transformación genética de plantas es una herramienta biotecnológica de alto impacto en el mejoramiento vegetal que brinda la posibilidad de obtener nuevos cultivos que se adapten a las demandas de producción y de ... -
Influence of soil texture, climate and vegetation cover on secondary soil salinization in pampas plains, South America.
(Universidad Federal de Lavras; Brasil., 2020-08-11)Land-use change from herbaceous to woody cover -or vice versa- largely affects water fluxes, which in turn can mobilize existing salts dissolved in the soil, and thereby negatively affect soil and/or water quality and site ... -
Respuesta a la frecuencia de defoliación de plantas de festuca alta de una población naturalizada infectada con endófito silvestre y un cultivar comercial libre
(Ediciones INTA, 2020-08)El objetivo del presente trabajo fue evaluar el efecto de dos frecuencias de defoliación sobre el crecimiento vegetativo y reproductivo de plantas de festuca alta provenientes de semilla cosechada en una población naturalizada ... -
Effects of cold storage duration and 1-MCP treatment on ripening and ‘eating window’ of ‘Hayward’ kiwifruit
(IOS Press, 2020-09-08)BACKGROUND:It is known that 1-MCP delays softening in kiwifruit. Time to ripen (eating-window) and its variability are considered useful for planning commercial strategies. However, few studies report the firmness and ... -
Isolation of Neospora caninum from a beef cattle fetus from Argentina: Immunopathological and molecular studies.
(Elsevier, 2020-07)Neospora caninum is an important abortifacient agent affecting mainly cattle worldwide. The aim of the present work was to describe the histopathological findings in a naturally infected beef cow and its midterm fetus ... -
Calidad morfológica de ovocitos obtenidos in vivo en diferentes ondas foliculares de vacas tratadas con FSH
(Ediciones Taurus, 2020-08)Los objetivos del presente trabajo fueron determinar 1) el efecto de un tratamiento con FSH y 2) el período del ciclo estral (metaestro= primera onda folicular o diestro= segunda onda folicular) durante el crecimiento de ... -
Ecological risk assessment of current-use pesticides and biocides in soils, sediments and surface water of a mixed land-use basin of the Pampas region, Argentina
(Elsevier, 2020-08)The present study aimed to assess the ecological risk of 30 current-use agricultural pesticides and biocides in the soil, sediments and aquatic organisms of a mixed land-use basin located in the Depressed Pampas Region of ...