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Resumen
Soil hydraulic conductivity is a property that describes how easily water can move through a porous space and its determination is important because it controls many soil hydrological processes. The objectives of this work were: i - to assess the suitability of lab tension mini-infiltrometry to measure hydraulic conductivity, by comparing with field tension disc infiltrometer data; and ii - to assess the effect of different tillage practices on hydraulic
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dc.contributor.author | Soracco, Carlos Germán | |
dc.contributor.author | Villarreal, Rafael | |
dc.contributor.author | Melani, Esteban | |
dc.contributor.author | Oderiz, Juan Agustin | |
dc.contributor.author | Salazar, María Paz | |
dc.contributor.author | Otero, María Florencia | |
dc.contributor.author | Irizar, Alicia Beatriz | |
dc.contributor.author | Lozano, Luis Alberto | |
dc.date.accessioned | 2019-05-22T13:53:11Z | |
dc.date.available | 2019-05-22T13:53:11Z | |
dc.date.issued | 2019-03-01 | |
dc.identifier.issn | 0016-7061 | |
dc.identifier.issn | 1872-6259 | |
dc.identifier.other | https://doi.org/10.1016/j.geoderma.2018.10.045 | |
dc.identifier.uri | https://www.sciencedirect.com/science/article/pii/S0016706118314769 | |
dc.identifier.uri | http://hdl.handle.net/20.500.12123/5187 | |
dc.description.abstract | Soil hydraulic conductivity is a property that describes how easily water can move through a porous space and its determination is important because it controls many soil hydrological processes. The objectives of this work were: i - to assess the suitability of lab tension mini-infiltrometry to measure hydraulic conductivity, by comparing with field tension disc infiltrometer data; and ii - to assess the effect of different tillage practices on hydraulic conductivity values and pore network in three different soils from Argentinean Pampas Region. Additionally, three analytical approaches to obtain K from mini-infiltrometry data were compared. Field infiltration with tension disc infiltrometer (TI) and laboratory infiltration with a proposed mini-infiltrometer (MI) were conducted in three different textured soils of Argentinian Pampas Region (loam, silty loam and sandy loam) in long-term experiments under no-tillage (NT) and conventional tillage (CT). Hydraulic conductivity (K) at different tensions (h) (6, 3 and 0 cm), namely K6, K3 and K0, and soil pore connectivity were estimated. There was no significant difference between K (h) values obtained from TI and MI, ranging between 0.47 and 2.36 cm h−1 and 0.52 and 1.77 and cm h−1, respectively. We concluded that NT reduces soil hydraulic conductivity, affecting soil pore connectivity, especially in fine textured soils. CT showed higher total pore connectivity in all studied sites. The proposed laboratory mini-infiltrometry method allows determining soil hydraulic conductivity function and pore connectivity in a simple, fast and inexpensive way. | eng |
dc.format | application/pdf | es_AR |
dc.language.iso | eng | es_AR |
dc.publisher | Elsevier | es_AR |
dc.rights | info:eu-repo/semantics/restrictedAccess | es_AR |
dc.source | Geoderma 337 : 1236-1244 (March 2019) | es_AR |
dc.subject | Porosidad del Suelo | es_AR |
dc.subject | Soil Porosity | eng |
dc.subject | Conductividad Hidráulica | es_AR |
dc.subject | Hydraulic Conductivity | eng |
dc.subject | Propiedades Hidráulicas del Suelo | es_AR |
dc.subject | Soil Hydraulic Properties | eng |
dc.subject | Labranza Convencional | es_AR |
dc.subject | Conventional Tillage | eng |
dc.subject | Labranza | es_AR |
dc.subject | Tillage | eng |
dc.subject | Agua de Infiltración | es_AR |
dc.subject | Infiltration Water | eng |
dc.subject | cientifico | |
dc.title | Hydraulic conductivity and pore connectivity. Effects of conventional and no-till systems determined using a simple laboratory device | es_AR |
dc.type | info:ar-repo/semantics/artículo | es_AR |
dc.type | info:eu-repo/semantics/article | es_AR |
dc.type | info:eu-repo/semantics/publishedVersion | es_AR |
dc.description.origen | EEA Cuenca del Salado | es_AR |
dc.description.fil | Fil: Soracco, Carlos Germán. Universidad Nacional de La Plata. Facultad de Ciencias Agrarias y Forestales; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina | es_AR |
dc.description.fil | Fil: Villarreal, Rafael. Universidad Nacional de La Plata. Facultad de Ciencias Agrarias y Forestales; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina | es_AR |
dc.description.fil | Fil: Melani, Esteban. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Cuenca del Salado. Agencia de Extensión Rural Chascomus; Argentina | es_AR |
dc.description.fil | Fil: Oderiz, Juan Agustin. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Anguil; Argentina | es_AR |
dc.description.fil | Fil: Salazar, María Paz. Universidad Nacional de La Plata. Facultad de Ciencias Agrarias y Forestales; Argentina | es_AR |
dc.description.fil | Fil: Otero, María Florencia. Universidad Nacional de La Plata. Facultad de Ciencias Agrarias y Forestales; Argentina | es_AR |
dc.description.fil | Fil: Irizar, Alicia Beatriz. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Pergamino; Argentina | es_AR |
dc.description.fil | Fil: Lozano, Luis Alberto. Universidad Nacional de La Plata. Facultad de Ciencias Agrarias y Forestales; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina | es_AR |
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