Artículos científicos: Envíos recientes
Mostrando ítems 101-120 de 137
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Rentabilidad de la agricultura de precisión: estimación de márgenes netos del cultivo de maíz con dosis fijas y variables de insumos
(Asociación Argentina de Economía Agraria, 2019-10-20)En el mundo surgen continuamente nuevas y mejores tecnologías de agricultura de precisión; éstas son expuestas a diversos tipos de ensayos y pruebas para demostrar su impacto productivo, pero raras veces se evalúan desde ... -
Environmental effects on seed yield determination of irrigated peanut crops: links with radiation use efficiency and crop growth rate
(Elsevier, 2007-08-12)In Argentina, delayed sowing causes a decrease in seed yield and in radiation use efficiency (RUE) of peanut crops (Arachis hypogaea L.), but it is not known if RUE reduction is mainly due to reduced temperature during ... -
Water table contribution to alfalfa water use in different environments of the Argentine Pampas
(Facultad de Ciencias Agropecuarias, Universidad Nacional de Córdoba, 2002)In the Argentine Pampas, although the water table is considered an important source of water supply for the alfalfa crop, it has not been previously quantified.The goal of this study was to estimate ... -
Suplementación proteica posinvernal en sistemas bovinos extensivos de Tierra del Fuego
(Ediciones INTA, 2019-12)La producción bovina de la zona central de Tierra del Fuego se desarrolla principalmente sobre pastizales naturales de vegas y bosques nativos. La estacionalidad de la producción forrajera y las inclemencias climáticas ... -
Efecto del tipo de desmonte sobre la descomposición de pastos nativos e introducidos en el Chaco Árido de la Argentina
(Gerencia de Comunicación e Imagen Institucional, DNA SICC, INTA, 2012-04)La dinámica de la descomposición y la liberación de nutrientes a partir de los restos vegetales son procesos clave para la fertilidad edáfica, por lo que resultan adecuados para estimar el grado de sustentabilidad de los ... -
Validación de un método de selección para rendimiento en alfalfa basado en la depresión por endocría
(Facultad de Ciencias Agropecuarias, Universidad Nacional de Córdoba, 2011)La rápida depresión por endocría en alfalfa obedece a la pérdida de interacciones alélicas intra-locus en plantas tri y tetra alélicas. Éstas podrían identificarse por una prueba de autofecundación y luego combinarse en ... -
Regional model for nitrogen fertilization of site-specific rainfed corn in haplustolls of the central Pampas, Argentina
(Springer, 2011-12)In semi-arid regions, soil water and nitrogen (N) are generally limiting factors for corn (Zea mays L.) production; hence, implementation of appropriate N fertilization strategies is needed. The use of precision agriculture ... -
Selection of soybean pods by the stink bugs, Nezara viridula and Piezodorus guildinii
(Oxford Academic Press, 2012-01)Different biological parameters of the stink bugs, Nezara viridula L. and Piezodorus guildinii Westwood (Hemiptera: Pentatomidae), are affected by the developmental stage of the soybean ( Glycine max Merrill) pods they ... -
Understanding member characteristics and cooperative price effects: the case of the Argentinean dairy sector
(2019-06-10)Since the 1990s, Argentinean dairy-processing cooperatives have lost considerable amounts of members and market share. We analyse their current role by investigating the characteristics of farmers who continue delivering ... -
Dormancy, germination and emergence of Urochloa panicoides regulated by temperature
(Wiley; European Weed Research Society, 2016-02)Urochloa panicoides is an annual weed of summer crops. In Argentina, in subhumid areas with monsoon rainfall, it germinates and establishes in a single flush. To (i) identify the environmental factors that modify its seed ... -
Pericarp anatomy and hormone profiles of cypselas in dormant and non‐dormant inbred sunflower lines
(Wiley, 2015-03)The pericarp anatomy and the effects of storage after harvest, storage temperature and early cypsela imbibition on phytohormone profiles were studied in inbred sunflower lines B123 and B91. On day 0, germination of B123 ... -
Complementary irrigation and direct drilling have little effect on soil organic carbon content in semiarid Argentina
(Elsevier, 2013-11)Irrigation and tillage modify soil properties. The aim of the present study was to evaluate the simultaneous effect of complementary irrigation and zero tillage (ZT) on soil organic carbon (SOC). Two treatments (irrigated ... -
Proximate composition and seed lipid components of “kabuli”-type chickpea (Cicer arietinum L.) from Argentina
(Scientific Research Publishing, 2013)Chickpea is an important pulse crop with a wide range of potential nutritional benefits because of its chemical composition. The purpose of the cur- rent work was to provide the chemical composi- tion of “kabuli”-type ... -
Impacto de mancha ojo de rana (Cercospora sojina k. Hara) sobre rendimiento y componentes industriales del grano de soja: aceite y proteína = Impact of frogeye leaf spot (Cercospora sojina k. Hara) on yield and soybean seed industrial components: oil and protein
(Facultad de Ciencias Agrarias, Universidad Nacional de Cuyo, 2013)La mezcla de fungicidas estrobilurina y triazol (E+T) se aplicó a 2 cultivares contrastantes en susceptibilidad a mancha ojo de rana (MOR) (DM3700 y DM3810) en los estadíos R3 o R3+R5; se incluyeron además 2 controles: ... -
Evaluación de la virosis del achaparramiento de la alfalfa (Medicago sativa L.) en dos ambientes contrastantes de Argentina = Alfalfa dwarf disease evaluation (Medicago sativa L.) in two contrasting environments in Argentina
(Facultad de Ciencias Agropecuarias, Universidad Nacional de Córdoba, 2017)En los últimos años se vienen observando daños crecientes de una enfermedad viral que afecta la producción y la persistencia del cultivo de alfalfa en Argentina. El objetivo de este trabajo fue comparar la incidencia y ... -
Acrotomopus atropunctellus (Coleoptera: Curculionidae) preference for large sugarcane shoots mitigates damage to sugarcane crop
(BioOne, 2017-09)The sugarcane weevil, Acrotomopus atropunctellus (Boheman) (Coleoptera: Curculionidae) is an increasingly important sugarcane pest in Argentina. Its emergence period overlaps with early stages of sugarcane phenology. ... -
Optimizing a fixed-precision sequential sampling plan for adult Acrotomopus atropunctellus (Boheman) (Coleoptera: Curculionidae), new pest on sugarcane
(Elsevier, 2015-08)Sugarcane weevil borer, Acrotomopus atropunctellus (Boheman) (Coleoptera: Curculionidae) has been detected across all sugarcane planting areas in the Argentinian Northwest with increasing population densities. The monitoring ... -
Carbon and nitrogen sequestration in soils under different management in the semi-arid Pampa (Argentina)
(Elsevier, 2014-09)Soil management affects distribution and the stocks of soil organic carbon and total nitrogen. The aim of this study was to evaluate the effect of different crop sequences and tillage systems on the vertical distribution ... -
Chemical compounds related to nutraceutical and industrial qualities of non‐transgenic soybean genotypes
(Wiley; Society of Chemical Industry, 2014-05)BACKGROUND: Information about the chemical profile of soybean seed is valuable for breeding programs aimed at obtaining value‐added products to meet the demands of niche markets. The objective of this study was to determine ... -
Eficacia del monepantel para el control de aislamientos de Haemonchus contortus y Trichostrongylus spp. con resistencia múltiple (ivermectina y febendazole) en caprinos
(Facultad de Ciencias Veterinarias de Esperanza, Universidad Nacional del Litoral, 2016)El monepantel es un nuevo antihelmíntico registrado en nuestro país exclusivamente para el control de los nematodes gastrointestinales de los ovinos y su uso ha sido direccionado mayormente hacia el control de parásitos ...