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Mostrando ítems 6308-6327 de 13280
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Fluctuación poblacional de Gyropsylla spegazziniana (Lizer y Trelles) en plantaciones de Ilex paraguariensis bajo monocultivo tradicional y en sistemas arborizados = Population fluctuation of Gyropsylla spegazziniana (Lizer and Trelles) in Ilex paraguariensis plantations under traditional monoculture and in agroforestry systems
(Facultad de Ciencias Forestales, Universidad Nacional de Misiones (UNaM) y EEA Montecarlo, INTA, 2023-09-21)Yerba mate (Ilex paraguariensis St. Hil) is a native species now cultivated on a large scale outside its natural habitat, disrupting the balance of insects, including Gyropsylla spegazziniana, which damages the plants. ... -
Fluctuación poblacional del ácaro Aceria sheldoni Ewing (Acari: Eriophyidae) en limoneros en función de las variables climáticas temperatura, precipitaciones y humedad relativa en Tucumán, Argentina = Population dynamics of Aceria sheldoni Ewing (Acari: Eriophyidae) on lemon trees in function of climate variables temperature, precipitations and relative humidity in Tucumán, Argentina
(Facultad de Agronomía y Zootecnia, Universidad Nacional de Tucumán, 2022-06)Aceria sheldoni Ewing, el ácaro de la yema, produce deformaciones de hojas, ramas, flores y frutos. Su diminuto tamaño, hábitat protegido, alto potencial reproductivo y escasos enemigos naturales limitan su control en el ... -
Flujo de la información entre las instituciones de investigación y extensión agropecuaria y los productores. La Capacitación Agropecuaria en el Valle Inferior del río Negro
(2015-04)En este trabajo se pretende evaluar el flujo de la información entre las instituciones transmisoras de conocimiento relacionado a la producción agropecuaria y los productores como posibles demandantes de éste, en el valle ... -
Flujogramas para la eliminación de residuos biopatogénicos generados en un laboratorio de microbiología avícola
(Cámara de Proveedores de Equipamiento Avícola y Porcino, 2022-09)Los residuos generados en un Establecimientos de Atención de la Salud (Resolución Ministerio de Salud de Argentina Nº 134/2016) se clasifican en dos grandes categorías: residuos comunes (RC) o asimilables a los domiciliarios ... -
Flujos de agua y energía en los últimos cuarenta y dos años de agricultura en Argentina
(Universidad Nacional de Mar del Plata, 2014-03-03)Una manera relevante de describir procesos ecológicos es a través del análisis de los flujos de agua y energía. Estos dos recursos son, probablemente, los insumos de mayor importancia para la agricultura en Argentina. La ... -
Flujos de carbono y nitrógeno bajo distintos sistemas de labranza en la región semiárida pampeana
(Facultad de Agronomía, Universidad de Buenos Aires, 2010-03)Los contenidos de carbono y nitrógeno orgánicos del suelo están relacionados con su capacidad productiva. Esta relación es esperable que sea más estrecha en suelos de zonas áridas y semiáridas. La cantidad de carbono que ... -
Focusing conservation efforts on ecosystem service supply may increase vulnerability of socio-ecological systems
(2016)La creciente preocupación por la pérdida de servicios de los ecosistemas (ES) promueve su representación espacial como una herramienta clave para la internalización del marco ES en las políticas de uso del suelo. ... -
Foliar N⁄ P ratio and nutrient limitation to vegetation growth on Keerqin sandy grassland of North-east China.
(Wiley, 2011-02-01)To examine whether the critical leaf N ⁄ P ratios (of 14, 16) are valid to test nutrient limitation in the context of semi-arid sandy grasslands, an experiment was conducted on a Keerqin sandy grassland in North-east China ... -
Follicular wave dynamics and Growth factors gene expression in Braford heifers
(Wiley, 2020-06)The objectives of the present study were (experiment 1) to characterized development and dynamics of the dominant follicles (DF) and the corpus luteum (CL) to determine patterns of two (W2) and three (W3) follicular waves ... -
Following the star: Inflorescence heliotropism
(Elsevier, 2018-03)Plant movements in response to directional solar radiation, known as “heliotropism” are frequently observed in nature. Although there is a considerable amount of literature on these movements in vegetative organs, knowledge ... -
Los fondos rotatorios como estrategia organizativa
(Facultad de Administración, Economía y Negocios, Universidad Nacional de Formosa, 2020-11)El acceso de los pequeños productores al crédito fue –y continúa siendo–, muy bajo, por lo que las organizaciones que los agrupan en el departamento Libertador General San Martín (Chaco), comenzaron hace más de una década ... -
Food and Host Searching Decisions Made by Ibalia leucospoides (Hymenoptera: Ibaliidae), a Parasitoid of Sirex noctilio (Hymenoptera:Siricidae)
(2012-07)During their adult life, parasitoids—insects that lay eggs in or on other arthropods eventually killing them- spend a significant proportion of their lifetime searching for hosts, this behavior will determine their future ... -
Food habits of Oligoryzomys longicaudatus (Rodentia) in a steppe–forest transitional area of Argentinean Patagonia
(Asociación Argentina de Ecología, 2014)We described the spatial and seasonal variation of feeding habits of Oligoryzomys longicaudatus in four environments of the steppe-forest transition zone of Argentinean Patagonia. Composition of fecal pellets collected ... -
Food partitioning between the Mara (Dolichotis patagonum) and the introduced hare (Lepus europaeus) in the Monte desert, Argentina
(Taylor & Francis, 1997)In the semiarid Monte desert, Río Negro province, the mara (Dolichotis patagonum) and the European hare (Lepus europaeus), which was introduced about hundred years ago, today occur sympatrically, as in many regions of ... -
Foot-and-Mouth Disease: Optimization, Reproducibility, and Scalability of High-Yield Production of Virus-Like Particles for a Next-Generation Vaccine
(Frontiers Media S.A., 2020-09)Inactivated Foot-and-Mouth Disease (FMD) vaccine has proven to be effective in the control of the disease. However, its production has some disadvantages, including the costly biosafety facilities required for the production ... -
Forage Accumulation and Quality of Three Contrasting Ecotypes of Tall Fescue (Schedonorus arundinaceus) Managed under Frequent Defoliation
(University of Kentucky, 2021)In the past, tall fescue ecotypes were compared under intermediate management defoliation frequency, but now has station, Argentina (-33 ° 56 'S, -60 ° 33' W) in autumn 2016, on a typical Argiudoll soil. The treatments ... -
Forage ofering and seasonal intake comparisons to evaluate European rabbit threat in Nothofagus forests of southern Patagonia
(Springer Nature, 2022-07-05)Background: The European rabbit (Oryctolagus cuniculus L. 1758) was introduced into diferent regions of the world, generating signifcant trade-ofs that critically impacted native vegetation. Here, we evaluate the rabbit’s ... -
Forage production and perennial root biomass in alfalfa under two cutting heights
(Ediciones INTA, 2023-06)This study evaluated the impact of cutting severity (4 vs. 10 cm cutting height) on forage production and biomass of perennial organs (root plus crown), in two contrasting winter dormant cultivars of lucerne (G6 vs. G10), ... -
Forage provision is more affected by droughts in arid and semi-arid than in mesic rangelands
(Wiley, 2022-06)Droughts are projected to increase in magnitude, frequency and duration in the near future. In rangelands, the provision of valuable ecosystem services such as forage supply for livestock productivity is intimately linked ... -
Forage yield gap analysis for tall fescue pastures in Argentina: A modelling approach
(Wiley, 2020-12-07)A large gap between actual and potential herbage production of tall fescue is a major limitation for livestock production systems in Argentina. The objectives of this work were to (a) calibrate and test the ability of a ...