Temas
Mostrando ítems 21-40 de 42
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Impacts of vegetative and reproductive plasticity associated with tillering in maize crops in low-yielding environments: a physiological framework
(Elsevier, 2021-05)Selection for maize (Zea mays L.) grain yield in high-yielding environments at high population densities has favored a compact phenotype tolerant to crowding stress, bearing a single, well-grained ear. However, by contributing ... -
Influencia de la temperatura en la composición de los racimos de Vitis vinifera L. cv Pinot Noir expuestos al este y al oeste, en distintos estados de madurez
(Gerencia de Comunicación e Imagen Institucional, DNA SICC, INTA, 2012-04)Los componentes de las bayas (peso, azúcares, ácidos, polifenoles) están influenciados por el microclima de la canopia y por el estado de madurez de éstas, entre otros factores. El objetivo de este trabajo fue conocer la ... -
Long-term monitoring of thinning for silvopastoral purposes in Nothofagus antarctica forests of Tierra del Fuego, Argentina
(Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria, España, 2018)Aim of the study: To analyse the effectiveness of thinning on tree growth, forest structure and microclimatic variables along seven years after cuttings in a secondary Nothofagus antarctica forest in Southern Patagonia. Area ... -
Maize grain yield components and source-sink relationship as affected by the delay in sowing date
(Elsevier, 2016-11)Delaying maize (Zea mays L.) sowing date can diminish grain yields through reductions in the number, size and activity of growing grains (sink strength) and/or reductions in the assimilate supply (source capacity) to grains ... -
Maize transpiration efficiency increases with N supply or higher plant densities
(Elsevier, 2021-03-08)Most of the studies addressing the influence of management practices on seasonal crop water use efficiency (i.e., the ratio between shoot biomass and evapotranspiration in a seasonal scale, WUE(B, ET, s)) have focused on ... -
Nitrogen‐, water‐ and radiation‐use efficiencies affected by sugarcane breeding in Argentina
(2017-04)This study aimed to identify whether and how sugarcane (Saccharum spp.) breeding in Argentina modified nitrogen‐use efficiency (NUE), water‐use efficiency (WUE) and radiation‐use efficiency (RUE). Thirteen varieties were ... -
Physiological status of conifer seedlings treated with radiation, drought and frost stress mitigation techniques: a laboratory assessment
(2016)En la región oriental del noroeste de la Patagonia, se levanta del rápido crecimiento de coníferas exóticas Pinus ponderosa (pino ponderosa) y Pseudotsuga menziesii (Abeto de Douglas) se están estableciendo en lugares que ... -
Plasticidad fenotípica y bases genéticas de la producción y partición de biomasa en el cultivo de maíz
(Facultad de Agronomía, Universidad de Buenos Aires, 2022-05)En el contexto actual de cambio climático global resulta crítica la comprensión de los procesos ecofisiológicos determinantes de la captura y eficiencia de uso de los recursos, y de la producción y partición de biomasa. ... -
Radiaciones no ionizantes y madera de sarmientos: Estrategias tecnológicas innovadoras para la crianza de vinos tintos
(Centro de Estudios Vitivinícolas y Agroindustriales, Universidad Juan Agustín Maza, 2022-12-20)Los objetivos del presente trabajo son: Analizar el impacto de chips de sarmientos de distintas variedades de vid, adicionados durante la crianza, sobre la composicion quimica (volatil y no volatil) y las caracteristicas ... -
La radiación solar y las plantas: un delicado equilibrio
(EEA Alto Valle, INTA, 2014)En fruticultura, la luz es el único insumo gratuito. Interceptarla y distribuirla lo mejor posible dentro de la copa del árbol es fundamental para evitar problemas de calidad y aumentar la productividad. -
Radiation use efficiency of alfalfa radiation use efficiency of alfalfa‐tall fescue mixtures in a temperate humid area
(University of Kentucky, 2008)Alfalfa (Medicago sativa L .) and tall fescue ( Festuca arundinacea Screb .) have ecotypes with different responses to temperature . Hypothetically, combination of germplasm with different patterns of seasonal growth might ... -
Radiation use efficiency of the herbaceous layer of dry Chaco shrublands and woodlands: Spatial and temporal patterns
(Wiley, 2022-03)Aims: Monitoring rangeland above-ground net primary production (ANPP) requires information on the variation of radiation use efficiency (RUE). We studied the spatial and temporal variations of RUE of the herbaceous layer ... -
Respuestas morfológico-fisiológicas ante distintos tipos e intensidades de estrés en dos especies patagónicas del genéro Nothofagus con aptitud comercial
(Facultad de Agronomía, Universidad de Buenos Aires, 2010-09)Algunas especies nativas andino - patagónica poseen alto valor maderero. La utilización de las mismas en cultivo requiere del conocimiento de su respuesta fisiológica y morfológica frente a factores ambientales generadores ... -
Review: critical appraisal of methods to investigate the effect of temperature on grapevine berry composition
(Wiley, 2015-02)The grapevine is an economically important crop and a model species of long‐lived perennials widely used in bioclimatic studies. Ambient temperature modulates berry composition, hence the significant research effort in ... -
Seed yield determination of peanut crops under water deficit: Soil strength effects on pod set, the source–sink ratio and radiation use efficiency
(Elsevier, 2008-06-10)Peanut (Arachis hypogaea L.) production in Argentina is affected by frequent and unpredictable periods of water deficit that usually overlap the critical period for pod set of early sown crops. An indirect effect of water ... -
Silvopastoral systems of the Chaco forests: effects of trees on grass growth
(Elsevier, 2018)The area devoted to Silvopastoral systems is increasing worldwide due to its complementary production of beef and wood. Understanding the competition between trees and grasses is critical to identify potential trade-offs ... -
Silvopastoral systems under native forest in Patagonia Argentina.
(Springer, 2016)In Patagonia, silvopastoral systems in Nothofagus antarctica (ñire) forest has become an economically, ecologically and socially productive landuse system. Patagonian experience with silvopastoral systems in the past 15 ... -
Sowing density rather than row spacing influences chia radiation use and yield
(Wiley, 2022-10)Chia (Salvia hispanica L.) production worldwide has been encouraged due to its high essential fatty acid content that is effective for reducing cardiovascular affections. However, few studies have assessed the sowing density ... -
Teledetección aplicada a la eficiencia y productividad de pasturas mixtas del VIRCH
(Instituto de Investigaciones Geográficas de la Patagonia (IGEOPAT), 2021-12)En el valle inferior del río Chubut (VIRCh), la producción de cultivos forrajeros para la alimentación de herbívoros domésticos es la actividad agrícola más difundida territorialmente. El propósito del presente trabajo fue ... -
Total and aboveground radiation use efficiency in C3 and C4 grass species influenced by nitrogen and water availability
(Wiley; Japanese Society of Grassland Science, 2015-09)Absorbed solar radiation and radiation use efficiency (RUE) can be used to estimate net primary productivity of terrestrial ecosystems. In ecosystems dominated by grasses, belowground productivity cannot be neglected in ...