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Mostrando ítems 21-40 de 52
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Factores asociados a la invasión de pajas en bosques de la región semiárida central argentina
(Asociación Argentina de Ecología, 2014-12)En los bosques de caldén (Prosopis caldenia) de la región semiárida central argentina, las pajas nativas no palatables C3 (Jarava ichu y Nassella tenuissima) han expandido su rango de distribución y abundancia, disminuyendo ... -
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 ... -
Germination of six native perennial grasses that can be used as potential soil cover crops in drip-irrigated vineyards in semiarid environs of Argentina
(2015-02)Native desert plants have structural adaptations that maximize photosynthesis rates and minimize water loss. They can be successfully utilized as soil cover crops in drip-irrigated vineyards where water availability is ... -
Greenhouse gas emissions from beef grazing systems in semi-arid rangelands of central Argentina
(MDPI, 2018-11)The livestock sector can be a major contributor to the mitigation of greenhouse gas (GHG) emissions. Within the sector, beef production produces the largest proportion of the livestock sector’s direct emissions. The objective ... -
Growth dynamics of Geoffroea decorticans and Parkinsonia praecox and their response to climate in arid and semiarid environments in Argentina = Dinámica de crecimiento y relación con el clima de Geoffroea decorticans y Parkinsonia praecox en ambientes áridos y semiáridos de Argentina
(Facultad de Ciencias Forestales y Recursos Naturales, Universidad Austral de Chile, 2021)Arid and semiarid environments dominate the Earth’s surface and are very vulnerable to global change. Chañar (Geoffroea decorticans) and brea (Parkinsonia praecox) are two ubiquitous woody species of these environments. ... -
Una herramienta para monitorear sequías en regiones áridas y semiáridas de Patagonia Norte
(Gerencia de Comunicación e Imagen Institucional, DNA SICC, INTA, 2012-08)La variabilidad ambiental es una característica de regiones pastoriles áridas y semiáridas, siendo la sequía uno de los principales problemas en sistemas ganaderos extensivos, con implicancias productivas y económicas tanto ... -
Implantación de pasturas de pasto llorón y agropiro alargado en zona semiárida
(2014-12)Consideraciones resultantes del trabajo de Experimentación Adaptativa en Explotaciones delos Partidos de Bahía Blanca y Coronel Rosales (Período 2008-2014). -
Incorporación de aserrín de salicáceas en plantación de papa en un ambiente semiárido
(EEA Hilario Ascasubi, INTA, 2023-11)En el valle bonaerense del río Colorado (VBRC), el cultivo de papa ha tenido subas y bajas de su superficie, alcanzando en los años 60 un total de 3600 ha para luego disminuir por cuestiones técnicas y de mercado, actualmente, ... -
Influencia de la experiencia temprana en el consumo de Panicum coloratum diferido en ovinos = Influence of early experience on consumption of deferred Panicum coloratum by sheep
(AAPA, 2016)En las regiones áridas y semiáridas de nuestro país los recursos forrajeros de baja calidad constituyen una parte importante del alimento disponible. Por esto, surge la necesidad de buscar alternativas que lleven a estimular ... -
Is Dairy Effluent an Alternative for Maize Crop Fertigation in Semiarid Regions? An Approach to Agronomic and Environmental Effects
(MDPI, 2022-08)The reuse of effluents from intensive dairy farms combined with localized irrigation techniques (fertigation) has become a promising alternative to increase crop productivity while reducing the environmental impact of waste ... -
Local adaptation along a sharp rainfall gradient occurs in a native Patagonian grass, Festuca pallescens, regardless of extensive gene flow
(Elsevier, 2020-03)Increasing global aridity combined with changing environmental conditions might cause irreparable alterations in arid and semiarid ecosystems. Knowledge of within-species genetic diversity and adaptive responses, especially ... -
Malezas del semiárido central argentino
(Ediciones INTA, 2019)El libro presenta una descripción de las principales especies de malezas que puede encontrarse en la región. Cada especie primero es identificada según la nomenclatura botánica actualizada, para luego ser descripta ... -
Mineral fertilization impacts microbial activity and endophytic fungi but not microbial biomass in semiarid grasslands
(Elsevier, 2024-01)Applications of mineral fertilizer to grasslands have become more frequent in recent decades to increase forage production. However, the impacts of mineral fertilizer on the soil microbiome is poorly understood in cold ... -
Performance of alfalfa (Medicago sativa L.) populations to salinity stress under field condition in a semiarid environment
(Centro Regional Córdoba, INTA, 2021-09)The identification and evaluation of an alfalfa population with improved salinity tolerance on the field would provide some tools for dealing with salt stress. Screening populations in the field is difficult due to the ... -
Pesticides in water sources used for human consumption in the semiarid region of Argentina
(Springer, 2020-03)Presence of pesticides in drinking water is an issue of great concern in agricultural areas. In Argentina’s semiarid regions, where surface water sources are scarce and groundwater may be of poor quality, rainwater becomes ... -
Phenotypic variation in arid and semi-arid zones of southern South America: the case of Senna series Aphyllae (Fabaceae, Caesalpinioideae)
(Oxford University Press, 2017-03)Senna series Aphyllae includes xeromorphic shrubs and subshrubs that occur in three different biogeographic subregions in arid and semi-arid habitats of southern South America. The series provides a good opportunity to ... -
Precipitation is the key determinant of topsoil δ15N values in southern Patagonia’s semiarid rangelands
(American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America, 2022-02-11)Nitrogen (N) cycling in rangeland soils could potentially be controlled by water supply, stocking rates, or a range of other variables, such as ecosystem N stocks. To gauge the relative importance and elucidate possible ... -
Risks of cattle babesiosis (Babesia bovis) outbreaks in a semi-arid region of Argentina
(Elsevier, 2019-10)The epidemiology of Babesia bovis was studied in terms of enzootic stability/instability and husbandry and abiotic factors influencing B. bovis transmission rate in northeastern Santiago del Estero province, Argentina. The ... -
Salinity Effects on the Performance of Alfalfa Populations in a Semiarid Environment of Argentina
(California Alfalfa & Forage Association, Estados Unidos, 2022-11)Salinity decreases agricultural productivity. Saline waters and soils are spreading around the world; currently with the increasing drought and irrigation water scarcity, the salinity effect get worse, mainly in arid and ... -
Selección de indicadores de sustentabilidad relacionados con la erosión eólica para la región semiárida central argentina (RSCA)
(Universidad Nacional del Sur, 2012)En ambientes semiáridos la erosión eólica es el principal proceso de degradación del suelo que dificulta el desarrollo de sistemas sustentables. Es por ello, que el objetivo general de esta tesis fue: seleccionar indicadores ...