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Mostrando ítems 21-31 de 31
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Origen de los materiales parentales y génesis de suelos en el extremo noroccidental de la Cuenca de los Bajos Submeridionales, Santiago Del Estero, Argentina
Moretti, Lucas Martin; Vizgarra, Lidia Amanda; Morras, Héctor José María; Rodriguez, Dario Martin; Schulz, Guillermo; Paladino, Ileana Ruth; Bressan, Emiliano Miguel; Laghi, Joana Denisse (Asociación Argentina de Sedimentología, 2020-02-25)La cuenca de los Bajos Submeridionales consiste en un extenso sistema hidrológico para el cual han sido propuestas distintas áreas de aporte sedimentario, así como también, procesos geomorfológicos controlados por la ... -
Polygenic vertisols and "Hidden" vertisols of the Paraná River Basin Argentina
Morras, Hector; Bressan, Emiliano Miguel; Angelini, Marcos Esteban; Tenti Vuegen, Leonardo Mauricio; Moretti, Lucas Martin; Rodriguez, Dario Martin; Schulz, Guillermo (Springer, 2023-01)Vertisols and soils with vertic properties occupy considerable areas in the east of the Pampa Region. Many of thèse Vertisols have particular features that dif- ferentiate them from most of the Vertisols in the world. In ... -
Pores size distribution and pores volume density of mollisols and vertisols under different cropping intensity managements with no - tillage
Behrends Kraemer, Filipe; Castiglioni, Mario Guillermo; Morras, Héctor José María; Fernández, Patricia; Alvarez, Carina (Elsevier, 2021-09-15)In the Argentina Pampas, one of the most extensive agricultural areas in the temperate fringe of southern hemisphere, soil health is jeopardized mostly by the decline of physical and biological properties due to soil ... -
Procesos de formación en sitios arqueológicos de la Depresión del Río Salado (provincia de Buenos Aires, Argentina): análisis desde la micromorfología de suelos
Fernández, Alejandro; Morras, Hector; Bressan, Emiliano Miguel (Facultad de Filosofía y Letras, Universidad de Buenos Aires, 2022-05-01)La micromorfología de suelos es una técnica de aplicación en Arqueología que estudia muestras no disturbadas y permite visualizar los elementos constitutivos de un suelo y comprender la evolución pedológica del material ... -
Soil shrinkage curves and micromorphology in contrasting managements.
Fernández, Patricia L.; Alvarez, Carina Rosa; Behrends Kraemer, Filipe; Morras, Hector; Scheiner, Javier; Boivin, Pascal; Taboada, Miguel Angel (Asociación Argentina de la Ciencia del Suelo, 2020-06-01)Compaction processes are generally described using methods that do not distinguish volume changes of diffe rent types and pore sizes. The adjustment of shrinkage curves (ShC) using the XP model allows elucidation of the ... -
Soil stabilisation by water repellency under no-till management for soils with contrasting mineralogy and carbon quality
Behrends Kraemer, Filipe; Hallett, Paul D.; Morras, Hector; Garibaldi, Lucas Alejandro; Cosentino, Diego Julian; Duval, Matías; Galantini, Juan (Elsevier, 2019-08-23)No-till soil management is common around the globe, but the impacts on soil structural quality varies depending on cropping practice and inherent soil properties. This study explored water repellency as a driver of soil ... -
Soil structure and glyphosate fate under no-till management in the Pampa region. I. Soil structural anisotropy and hydro-physical behavior
Behrends Kraemer, Filipe; Sainz, Daiana Soledad; Morras, Héctor José María; Carfagno, Patricia; Eiza, Maximiliano Joaquin; Fernandez, P.; Chagas, Celio Ignacio (Elsevier, 2022-05-03)Several studies have reported a frequent occurrence of platy structures in soils under no tillage (NT), mostly in silty ones. The objective of this study was to evaluate the morphological features and the pore architecture ... -
Soil structure and glyphosate fate under no-till manangement in the pampa region. II. Glyphosate and AMPA persistence and spatial distribution in the long-term. A conceptual model
Morras, Héctor José María; Behrends Kraemer, Filipe; Sainz, Daiana Soledad; Fernández, Patricia; Chagas, Celio Ignacio (Elsevier, 2022-07-14)Glyphosate and AMPA were measured in a no-tilled (NT) soil and in the runoff resulting from the rain simulation carried out after 270 days of the application of the herbicide. Glyphosate concentration was in low values in ... -
Soils of the Chaco Region
Moretti, Lucas Martin; Morras, Hector; Pereyra, Fernando X.; Schulz, Guillermo (Springer, 2019)The Argentinian Chaco region belongs to an extensive ecoregion called “Great Chaco”, characterized by ample plains of fluvial aggradation and linked to the formation of large alluvial fans. The climate is semi-arid to ... -
Status and challenges of black soils
Fontana, Ademir; Labaz, Beata; Monger, Curtis; Morras, Hector; Wang, Lei; Pfeiffer, Marco; Taboada, Miguel Angel; Valle, Susana (FAO, 2022-11-05)Although black soils account for only 8.2 percent of the Global Land Area (FAO, 2022a), they are of paramount importance for food security, as highlighted by the UN Sustainable Development Goal 2 (i.e to end hunger, achieve ... -
Susceptibilidad magnética y posibilidad de aplicación para la génesis y cartografía de suelos de Misiones
Moretti, Lucas Martin; Morras, Héctor José María; Barbaro, Sebastian Ernesto; Alvarenga, Fernando Agustin (Asociación Argentina de la Ciencia del Suelo, 2020-10-13)Los óxidos de hierro influyen en diversas propiedades físicas, químicas y físicoquímicas de los suelos. Son utilizados como indicadores de procesos pedogenéticos, ya que de acuerdo con el ambiente edáfico, forman diferentes ...