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A first record of bulk atmospheric deposition patterns of major ions in southern South America
Carnelos, D.A.; Portela, Silvina Isabel; Jobbagy Gampel, Esteban Gabriel; Jackson, R.B.; Di Bella, Carlos Marcelo; Panario, D.; Fagúndez, C.; Piñeiro Guerra, J.M.; Grion, L.; Piñeiro, G. (Springer, 2019-09)Despite the importance of long-term atmospheric deposition of ions for vegetation productivity and biogeochemistry, southern South America lacks long-term deposition records. We report a 6-year-long record of atmospheric ... -
Combining cover crops and low nitrogen fertilization improves soil supporting functions
Restovich, Silvina Beatriz; Andriulo, Adrian Enrique; Armas- Herrera, Cecilia María; Beribe, Maria Jose; Portela, Silvina Isabel (2019-07)Background and aims: Cover crops may restore soil functions lost with single summer crop sequences enhancing soil organic carbon and nitrogen (SOC and SON) stocks. We investigated the effect of cover crops and low nitrogen ... -
Cover crop mixtures increase ecosystem multifunctionality in summer crop rotations with low N fertilization
Restovich, Silvina Beatriz; Andriulo, Adrian Enrique; Portela, Silvina Isabel (Springer Nature, 2022)Cropping diversification with cover crop mixtures combined with low N fertilization represents an ecological alternative that may promote sustainability. Our objective was to evaluate changes on soil organic fractions and ... -
Cultivos de cobertura y bajas dosis de fertilizantes nitrogenados: efecto sobre la funcionalidad del suelo en el largo plazo
Restovich, Silvina Beatriz; Portela, Silvina Isabel; Farroni, Abel Eduardo; García Parisi, Pablo; Garcia, Leticia Soledad; Copia, Pablo Antonio; Chavarria, Diego N.; Gonzalez Anta, Gustavo; Albarracín, Daniela (2018-04)La estructura del suelo junto con los contenidos de carbono y nitrógeno son atributos críticos que condicionan el funcionamiento edáfico y promueven la resiliencia y sustentabilidad de los agroecosistemas. La glomalina, ... -
Drenaje y transporte vertical de herbicidas en dos molisoles de La Pampa ondulada Argentina = Drainage and vertical transport of herbicides in two mollisols of the Argentinian Rolling Pampa
Caprile, Ana Clara; Aparicio, Virginia Carolina; Portela, Silvina Isabel; Sasal, Maria Carolina; Andriulo, Adrian Enrique (Asociación Argentina de la Ciencia del Suelo, 2017-07)El objetivo del trabajo fue evaluar la dinámica del drenaje de agua y la pérdida por transporte vertical de glifosato, atrazina y acetoclor en dos suelos de textura diferente cultivados con una rotación maíz-soja bajo ... -
Drivers of N2O emissions from natural forests and grasslands differ in space and time
Araujo, Patricia Ines; Piñeiro Guerra, Juan Manuel; Yahdjian, L.; Acreche, Martin Moises; Alvarez, Carolina; Alvarez, C.R.; Costantini, Alejandro Oscar; Chalco Vera, Jorge Elías; De Tellería, J.M.; Della Chiesa, T.; Lewczuk, Nuria; Petrasek, M.; Piccinetti, Carlos Fabian; Picone, Liliana; Portela, Silvina Isabel; Seijo, Sebastian; Videla, Cecilia; Piñeiro, G. (Springer, 2020-06-30)Understanding the drivers of greenhouse gas (GHG) emissions is one of the most critical global environmental challenges to mitigate the increasing global temperature. Nitrous oxide (N2O) emissions are highly variable in ... -
Fertilizer vs. organic matter contributions to nitrogen leaching in cropping systems of the Pampas: 15N application in field lysimeters
Portela, Silvina Isabel; Andriulo, Adrian Enrique; Sasal, Maria Carolina; Mary, Bruno; Jobbagy Gampel, Esteban Gabriel (Springer, 2006-11-07)Nitrogen (N) export from soils to streams and groundwater under the intensifying cropping schemes of the Pampas is modest compared to intensively cultivated basins of Europe and North America; however, a slowNenrichment ... -
Guía de buenas practicas para el manejo de nutrientes (N y p) en la Pampa Ondulada : desarrollo de índices de riesgo de contaminación por N y P
Andriulo, Adrian Enrique; Reynoso, Lidia Ruth María; Portela, Silvina Isabel; Irizar, Alicia Beatriz; Restovich, Silvina Beatriz; Bortolato, Marta; Dalpiaz, Maria Jimena; Garcia, Leticia Soledad; Torti, Maria Juliana; Darder, Maria Liliana; Hanuch, Leandro; Colombini, Diego Alberto; Villalba, Fabio Leonardo; Rondan, Alberto; Rimatori, Fernando Miguel (EEA Pergamino, INTA, 2011-12)La presente Guía de Buenas Prácticas está dirigida hacia las condiciones de la Pampa Ondulada (Norte de la prov. de Buenos Aires, Sur de Santa Fe, Este de Córdoba y Sudoeste de Entre Ríos) y la principal producción ... -
Heterogeneity in agricultural land use decisions in Argentine Rolling Pampas : the effects on environmental and economic indicators
Cabrini, Silvina María; Portela, Silvina Isabel; Cano, Priscila Belén; López, Daniel Adrián (Taylor & Francis Group, 2019-09)Argentine Pampas are one of the major regions in the world for agricultural production. There is a trend towards system simplification in this area, with soybeans being the predominant crop. One major concern of “soybeanization” ... -
Introduction of cover crops in a maize–soybean rotation of the Humid Pampas: Effect on nitrogen and water dynamics
Restovich, Silvina Beatriz; Andriulo, Adrian Enrique; Portela, Silvina Isabel (Elsevier, 2012-03)The agricultural system of the Humid Pampas consists of continuous cropping of soybean and maize under no tillage. This system may loose nitrogen (N) through leaching during the early and final stages of summer crops and ... -
Mezcla de cultivos de cobertura: aumento de la diversidad de especies y multibeneficios agroecosistémicos
Restovich, Silvina Beatriz; Andriulo, Adrian Enrique; Portela, Silvina Isabel (2018-05)Actualmente, existe un creciente interés en sistemas de cultivos que brinden beneficios ecosistémicos más allá de maximizar el rendimiento. La inclusión de cultivos de cobertura (CC) monoespecíficos en rotaciones simplificadas ... -
Monitoreo de un sistema de lagunas de tratamiento de efluente de tambo
Portela, Silvina Isabel; Torti, Maria Juliana; Garbini, Dalila J.; Cabrini, Silvina María; Araujo, Patricia Ines; Restovich, Silvina Beatriz (2018-09)El manejo de las excretas y el agua es fundamental en la sustentabilidad ambiental de los sistemas de producción de leche. El vertido de efluentes crudos o deficientemente tratados a cursos de agua o al suelo es frecuente ... -
Phosphorus and nitrogen fractions during base flow conditions of a Pampean stream and their relationship with land use
Torti, Maria Juliana; Portela, Silvina Isabel; Andriulo, Adrian Enrique (Asociación Argentina de Ecología, 2020-12)During the last decades, population growth and the associated intensification of anthropogenic activities (agriculture, industrialization and urbanization) increased nutrient inputs to Pampean lotic waterbodies. However, ... -
Reducción del drenaje profundo y la lixiviación de nitrógeno en rotaciones agrícolas con cultivos de cobertura
Portela, Silvina Isabel; Restovich, Silvina Beatriz; Gonzalez, Hugo M.; Torti, Maria Juliana (2016)Deep drainage and nitrogen leaching reduction in crop rotations with cover crops. Ecosystem water and nitrogen (N) fluxes can be altered by vegetation changes. The intensification of crop rotations with fall-winter cover ... -
Sequía e inundación en la hiperllanura pampeana. Una mirada desde el lote al municipio
Mercau, Jorge Luis; Jobbagy Gampel, Esteban Gabriel; Viglizzo, Ernesto Francisco; Menendez, Angel N.; Di Bella, Carlos Marcelo; Bert, Federico Esteban; Portela, Silvina Isabel; Figueroa Schibber, Evelyn; Florio, Eva Laura; Giménez, Raúl; García, P.; Murray, Francisco (Universidad de Buenos Aires. Facultad de Agronomía, 2013)La variabilidad de las lluvias genera sequías e inundaciones que perjudican a campos y municipios. A nivel municipal frente al riesgo de inundación se reconoce el efecto crítico de las obras hidráulicas para defender ... -
Water and nitrate exchange between cultivated ecosystems and groundwater in the Rolling Pampas
Portela, Silvina Isabel; Andriulo, Adrian Enrique; Jobbagy Gampel, Esteban Gabriel; Sasal, Maria Carolina (Elsevier, 2009-12)Understanding nitrogen (N) exchange between cultivated ecosystems and groundwater becomes crucial in the Rolling Pampas where high and variable water table levels are accompanied by increasing N-fertilization rates. Field ...