EEA San Luis: Envíos recientes
Mostrando ítems 121-140 de 152
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Jatropha curcas L. and J. macrocarpa Griseb: seed morphology, viability, dormancy, germination and growth of seedlings
(Scientific Research, 2018-08)To achieve a good production of a crop, it is essential to know the ability of the species to successfully complete two critical stages in the life cycle such as germination and seedling establishment. In this paper we ... -
Sistemas bovinos sobre gramíneas megatérmicas perennes en San Luis
(Ediciones INTA, 2014)El INTA San Luis, ha trabajado por largo tiempo en los sistemas de producción de carne bovina, caracterizando los sistemas existentes y, a partir de éstos, formulando y comprobando sistemas superadores, en los cuales ha ... -
Livestock Grazing Impacts on Herbage and Shrub Dynamics in a Mediterranean Natural Park
(2013-03)Shrub encroachment can be explained by the abandonment of extensive livestock farming and changes to land use, and it is a common problem in the Mediterranean mountain pastures of Europe, with direct effects on biodiversity ... -
Reproductive ecology and genetic variability in natural populations of the wild potato, Solanum kurtzianum
(Wiley, 2014-03)The cultivated potato (Solanum tuberosum ssp. tuberosum) has more than 200 related wild species distributed along the Andes, adapted to a wide range of geographical and ecological areas. Since the last century, several ... -
Gestión de suelo y agua en sistemas productivos de la provincia de San Luis
(Ediciones INTA, 2015)El objetivo de esta obra fue elaborar una guía práctica para la gestión del suelo y el agua en producciones de secano y riego de la región, enfatizando el análisis de procesos básicos y datos obtenidos a través de ... -
The ecohydrological imprint of deforestation in the semiarid Chaco: insights from the last forest remnants of a highly cultivated landscape
(2016-07)The semiarid Chaco plains present one of the highest rates of forest clearing and agricultural expansion of the world. In other semiarid plains, such massive vegetation replacements initiated a groundwater recharge and ... -
Shallow groundwater dynamics in the Pampas: Climate, landscape and crop choice effects
(2016-01-01)Depending on its depth from the soil surface, shallow groundwater can represent a valuable water resource to alleviate droughts, or a stress agent that causes waterlogging and flooding in rainfed crops. Groundwater depth ... -
Weed Communities in Semiarid Rainfed Croplands of Central Argentina: Comparison between Corn (Zea mays) and Soybean (Glycine max) Crops
(2018-05)The semiarid Espinal in central Argentina, being recently transformed from natural semiarid grasslands into agriculture, represents an interesting scenario to understand the early stages of weed community assembly and its ... -
Vegetation composition and structure changes following roller-chopping deforestation in central Argentina woodlands
(2016-10)Driven by the pressure of increasing forage production, dry forests and woodlands of Argentina are suffering one of the highest deforestation rates in the world. In this study we combined field work and a remote sensing ... -
Diseño de un túnel de viento portátil para el estudio de la erosión eólica
(2016)La erosión eólica (EE) es un proceso de degradación irreversible de suelos de regiones áridas y semiáridas. Con el uso de túneles de viento portátiles es posible simular la EE controlando variables críticas como la velocidad ... -
Experiencias de largo plazo para el manejo de una hierba invasora de pastizales: El caso de Hieracium pilosella L. en la Estepa Fueguina
(2014-08)Las experiencias de largo plazo son poco frecuentes en los estudios sobre manejo de especies invasoras y resultan claves para comprender la efectividad de los controles. En este trabajo, revisitamos un experimento instalado ... -
Caracterización de la ganadería bovina de la provincia de San Luis
(EEA San Luis, INTA, 2015-12)Esta publicación brinda la información obtenida en las encuestas ganaderas realizadas en la provincia de San Luis que permiten caracterizar los sistemas tradicionales de producción de carne y aquellos que se desarrollaron ... -
Rainwater harvesting in Dry Chaco: Regional distribution and local water balance
(2015-12)Rainwater harvesting (RWH) has been essential for the establishment of human settlements in many dry regions of the world that lacked suitable surface or groundwater resources. A vast fraction of the South American Dry ... -
Vegetation Productivity in Natural vs. Cultivated Systems along Water Availability Gradients in the Dry Subtropics
(2016-12)The dry subtropics are subject to a rapid expansion of crops and pastures over vast areas of natural woodlands and savannas. In this paper, we explored the effect of this transformation on vegetation productivity (magnitude, ... -
Productive performance of alternative land covers along aridity gradients: ecological, agronomic and economic perspectives
(2016-11)The replacement of natural vegetation by pastures and extensive crops is generally driven by economic incentives and supported by technology improvements and multiple subsidies. However, towards areas of increasing aridity ... -
Soil dry aggregate stability and wind erodible fraction in a semiarid environment of Argentina
(2010-10)The size and stability of soil aggregates are primary factors that affect the soil susceptibility to wind erosion. Relationships among several soil properties and both the wind erodible fraction (EF) and the dry aggregate ... -
The impact of agriculture on soil texture due to wind erosion
(2015-01)Wind erosion produces textural changes on topsoil of semiarid and arid environments; however, the selection of particles on different textured soils is unclear. Our objectives were to evaluate textural changes induced by ... -
Soil physical changes after conversion of woodlands to pastures in dry Chaco rangelands (Argentina)
(2017-03)The conversion of dry woody rangelands into pastures can alter key soil physical properties that regulate ecosystem water circulation and storage. Based on three paired stands of native woodlands and pastures established ... -
Elaboración práctica de chacinados artesanales : para autoconsumo y emprendimientos
(Ediciones INTA, 2018)La elaboración artesanal se destaca principalmente en la naturaleza y calidad de la materia prima. Muchos productos industriales suelen estar basados en carnes baratas de diversa calidad y procedencia, incluso adulterada ... -
Evaluación de FAMACHA© en el control de nematodes gastrointestinales en cabras de San Luis (Argentina)
(DNA Sistemas de Información, Comunicación y Calidad, INTA, 2017-12)Dentro de las enfermedades que ocasionan un gran deterioro en la producción caprina, las parasitosis por los nematodes gastrointestinales tienen una importancia preponderante, especialmente las producidas por Haemonchus ...