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Mostrando ítems 1-20 de 30
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Adsorption and mobility of glyphosate in different soils under no-till and conventional tillage
Okada, Elena; Costa, Jose Luis; Bedmar, Francisco (2016-02)El glifosato (N- (fosfonometil) glicina) es un post-emergencia, no selectivo, herbicida foliar. Alrededor de 200 millón de litros de este herbicida se aplican cada año en Argentina, donde la principal práctica agrícola es ... -
Agricultura de precisión: dosis variable de nitrógeno en cebada
Peralta, Nahuel; Barbieri, Pablo; Gowland, Tomás; Aparicio, Virginia Carolina; Costa, Jose Luis (2015)La Agricultura de Precisión (AP) permite delimitar zonas de manejo (ZM) que expresan diferente potencial de rendimiento. Los objetivos de esta investigación fueron: (l) determinar la interacción entre las ZM y la fertilización ... -
Assessment of the spatial variability in tall wheatgrass forage using LANDSAT 8 satellite imagery to delineate potential management zones
Sousa, Adelia; Costa, Jose Luis; Marques da Silva, José Rafael; Cicore, Pablo Leandro; Serrano, João; Shahidian, Shakib (2016)Hay poca información disponible sobre el grado de variabilidad dentro del campo de la producción potencial de alto agropiro alargado (Thinopyrum ponticum) de forraje bajo secano condiciones. El objetivo de este estudio fue ... -
Degradación de atrazina en rotaciones agrícolas sobre suelos molisoles del sudoeste chaqueño
Luzzi, Johana Inés; Aparicio, Virginia Carolina; Ledda, Alejandra Rosa; De Geronimo, Eduardo; Borelli, Valeria Soledad; Costa, José Luis (Asociación Argentina de la Ciencia del Suelo, 2021-07)La molécula de atrazina en el suelo se degrada mediante procesos químicos y microbiológicos, dependiendo de las propiedades físico-químicas, biológicas del suelo y de factores meteorológicos como temperatura y humedad. El ... -
Delimitación de ambientes edáficos en suelos de la pampa deprimida mediante la conductividad eléctrica aparente y la elevación
Cicore, Pablo Leandro; Sánchez, Hernán Raúl; Peralta, Nahuel Raúl; Castro Franco, Mauricio; Aparicio, Virginia Carolina; Costa, Jose Luis (2015)Los suelos de la Pampa Deprimida presentan una elevada heterogeneidad espacial. Por ende, una alternativa para el manejo de los mismos podría ser la incorporación de las técnicas de manejo por ambientes (MA). Por ello, ... -
Delineation of management zones to improve nitrogen management of wheat
Peralta, Nahuel; Costa, Jose Luis; Balzarini, Mónica Graciela; Castro Franco, Mauricio; Córdoba, Mariano Augusto; Bullock, Donald (2015-01)Site-specific management of N (NSSM) is an attractive and intuitive approach to increasing N fertilizer use efficiency (NUE) of agricultural systems by adjusting fertilizer rates to the soil characteristics. The objective ... -
Delineation of management zones with soil apparent electrical conductivity to improve nutrient management
Peralta, Nahuel Raúl; Costa, Jose Luis (Elsevier, 2013-11)Site-specific management demands the identification of subfield regions with homogeneous characteristics (management zones). However, determining subfield areas is difficult because of complex correlations and the spatial ... -
Depth distribution of soil, glyphosate, and aminomethylphosphonic acid (AMPA) properties and analysis of crop yield in six long-term experiments
Aparicio, Virginia Carolina; De Geronimo, Eduardo; Frolla, Franco Daniel; Domínguez, Germán; Galarza, Carlos Martin; Barbagelata, Pedro Anibal; Irizar, Alicia Beatriz; Costa, José Luis; Cerda, Artemio (Springer, 2023-03-21)Context: Argentina is the third-largest user of pesticides per year, with more than 65% of the herbicide being glyphosate. Glyphosate and aminomethylphosphonic acid (AMPA) have similar properties in terms of environmental ... -
Determinación de residuos de imazapir en suelos de Argentina mediante cromatografía líquida de alta resolución y espectrometría de masas
Gianelli, Valeria Rosana; Zelaya, Manuel José; Bedmar, Francisco; Costa, Jose Luis (2013)La extracción y cuantificación de residuos de herbicidas en el suelo resultan de gran importancia para monitorear su presencia y minimizar el riesgo de contaminación asociado al uso de los mismos. Los objetivos de este ... -
Effect of conventional and no-till practices on solute transport in long term field trials
Okada, Elena; Costa, Jose Luis; Bedmar, Francisco; Barbagelata, Pedro Anibal; Irizar, Alicia Beatriz; Rampoldi, Edgar Ariel (Elsevier, 2014-09)The prediction and description of water and solute movement in soils under different tillage systems is essential to the study of pesticide contamination in soils and groundwater quality. However, the impact of tillage ... -
Effect of conventional and no-till practices on solute transport in long term field trials
Okada, Elena; Costa, Jose Luis; Bedmar, Francisco; Barbagelata, Pedro Anibal; Irizar, Alicia Beatriz; Rampoldi, Edgar Ariel (Elsevier, 2014-05)The prediction and description of water and solute movement in soils under different tillage systems is essential to the study of pesticide contamination in soils and groundwater quality. However, the impact of tillage ... -
Effect of tillage and application of gypsum In a No-Till field under supplementary irrigation with sodium bicarbonate waters
Costa, Jose Luis; Aparicio, Virginia Carolina; Sallesses, Leonardo Fabian; Frolla, Franco Daniel (2016)El riego suplementario está muy extendido en la Pampa Húmeda de Argentina, donde la principal fuente de agua para el riego ha elevado contenido de bicarbonato de sodio. La combinación de riego y la lluvia aumenta la relación ... -
Environmental fate of glyphosate and aminomethylphosphonic acid in surface waters and soil of agricultural basins
Aparicio, Virginia Carolina; De Geronimo, Eduardo; Marino, Damian Jose Gabriel; Primost, Jezabel Elena; Carriquiriborde, Pedro; Costa, Jose Luis (Elsevier, 2013-11)Argentinian agricultural production is fundamentally based on a technological package that combines no-till and glyphosate in the cultivation of transgenic crops. Transgenic crops (soybean, maize and cotton) occupy 23 ... -
Expansión del riego: tipo de suelo, pendiente y calidad de agua en el sudeste de la provincia de Buenos Aires
Angelini, Hernán Pablo; Costa, José Luis; Aparicio, Virginia Carolina (Facultad de Agronomía, Universidad Nacional de La Plata, 2022-07-14)El objetivo de este trabajo es caracterizar el área agrícola bajo riego complementario en el Sudeste Bonaerense (SB) en cuanto al incremento del área ocupada, tipo de suelo, pendiente y calidad de agua. Mediante un proceso ... -
Glyphosate and AMPA concentrations in the respirable dust emitted experimentally by soil aggregates, shortly after herbicide application
Ramirez Haberkon, Nancy; Aparicio, Virginia Carolina; Buschiazzo, Daniel Eduardo; De Geronimo, Eduardo; Aimar, Silvia Beatriz; Costa, Jose Luis; Mendez, Mariano Javier (Elsevier, 2020-06-15)The objective of this study was to analyze glyphosate- and aminomethylphosphonic acid (AMPA) concentrations in the respirable dust (RD) emitted by different soil aggregates, shortly after herbicide application in a field ... -
Glyphosate and AMPA concentrations in wind‐blown material under field conditions
Aparicio, Virginia Carolina; Aimar, Silvia Beatriz; De Geronimo, Eduardo; Méndez, Mariano; Costa, Jose Luis (Wiley Online Library, 2018-03-01)Agricultural intensification in fragile arid and semiarid environments has led to an increase in soil degradation, mainly through wind erosion. Argentina is an agricultural and cattle‐farming country, which has increased ... -
Glyphosate sorption to soils of Argentina. Estimation of affinity coefficient by pedotransfer function
De Geronimo, Eduardo; Aparicio, Virginia Carolina; Costa, Jose Luis (Elsevier, 2018)Argentine agricultural production is fundamentally based on technological package that combines direct seeding and glyphosate with transgenic crops (soybean, maize and cotton), which makes glyphosate the most widely ... -
Glyphosate, AMPA, and metsulfuron-methyl retention in the main horizons of a typic argiudoll
Gonzalo Mayoral, Eliana Soledad; Aparicio, Virginia Carolina; De Geronimo, Eduardo; Fernandes, Gracieli; Dos Santos, Danilo Rheinheimer; Costa, José Luis (Taylor and Francis, 2022-05-03)Retention is one of the processes controlling the behavior and fate of pesticides in soil. The objective of this work was to evaluate the adsorption and desorption of glyphosate, AMPA, and metsulfuron-methyl in the main ... -
Industrial agriculture and agroecological transition systems: A comparative analysis of productivity results, organic matter and glyphosate in soil
Aparicio, Virginia Carolina; Zamora, Martin Sergio; Barbera, Agustin; Castro Franco, Mauricio; Domenech, Marisa Beatriz; De Geronimo, Eduardo; Costa, Jose Luis (ScienceDirect, 2018-09-22)The system of industrial agriculture (IA), often implemented on a large scale and with high dependence on the supplies use, is reducing the soil organic matter (SOM) and increasing the glyphosate presence in the environment. ... -
Management effects on glyphosate and AMPA concentrations in the PM10 emitted by soils of the central semi-arid region of Argentina
Ramirez Haberkon, Nancy; Aimar, Silvia; Aparicio, Virginia Carolina; Buschiazzo, Daniel Eduardo; De Geronimo, Eduardo; Costa, Jose Luis; Mendez, Mariano (Elsevier, 2020-12)In soils of semi-arid regions, different amounts of glyphosate are applied, and this substance tends to be absorbed on the topsoil exposed to erosion. The objective of this study was to analyze the effects of land management ...