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dc.contributor.author
Soracco, Carlos Germán
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dc.contributor.author
Lozano, Luis Alberto
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dc.contributor.author
Sarli, Guillermo Oliverio
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dc.contributor.author
Gelati, Pablo Raúl
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dc.contributor.author
Filgueira, Roberto Raul
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dc.date.available
2024-08-01T13:12:31Z
dc.date.issued
2010-07
dc.identifier.citation
Soracco, Carlos Germán; Lozano, Luis Alberto; Sarli, Guillermo Oliverio; Gelati, Pablo Raúl; Filgueira, Roberto Raul; Anisotropy of Saturated Hydraulic Conductivity in a soil under conservation and no-till treatments; Elsevier Science; Soil & Tillage Research; 109; 1; 7-2010; 18-22
dc.identifier.issn
0167-1987
dc.identifier.uri
http://hdl.handle.net/11336/241459
dc.description.abstract
Saturated Hydraulic Conductivity (Ks) is an important parameter for agriculture. Some authors have studied Ks anisotropy in soils with different results. Several methods have been developed and modified with time for the determination of Ks. The aim of this study was to determine Ks anisotropy of a typic Argiudoll under conservation (T2) and no-till (T1) treatments by laboratory measurements on samples extracted in vertical and horizontal directions and to compare them with those obtained from field measurements with a tension disc infitrometer. In order to determine Ks anisotropy undisturbed samples were collected at different depths (0–15 cm and 15–30 cm) and orientation (vertical and horizontal). Ks was also determined from field infiltration tests. Additionally bulk density (rb) was determined by gravimetric methods. Ks was anisotropic at 0–15 cm in both treatments (horizontal Ks was about five times larger than vertical Ks in both treatments), and isotropic at 15–30 cm. Ks determined from field infiltration tests did not differ from vertical Ks for all treatment-depth combinations. To summarize, mean values of Ks varied between 0.51 and 9.48 cm h1. Mean values of bulk density (rb) ranged from0.98 (T2, surface) to 1.23 (T2, subsurface). The rb values were significantly greater at subsurface for both tillage systems. At this depth rb was significantly greater for T2. Water entry into the soil profile was conditioned by vertical Ks values. The values obtained from field measurements with a tension disc infiltrometer were similar to vertical Ks measured in laboratory in all cases.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Elsevier Science
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Saturated Hydraulic Conductivity
dc.subject
Anisotropy
dc.subject
Silty soil
dc.subject
Infiltration
dc.subject
Direct drilling
dc.subject
Tension disc infiltrometer
dc.subject.classification
Otras Ciencias Agrícolas
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dc.subject.classification
Otras Ciencias Agrícolas
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dc.subject.classification
CIENCIAS AGRÍCOLAS
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dc.title
Anisotropy of Saturated Hydraulic Conductivity in a soil under conservation and no-till treatments
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2024-08-01T12:01:30Z
dc.journal.volume
109
dc.journal.number
1
dc.journal.pagination
18-22
dc.journal.pais
Países Bajos
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dc.journal.ciudad
Amsterdam
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. Centro Científico Tecnológico Conicet - La Plata; Argentina
dc.description.fil
Fil: Lozano, Luis Alberto. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata; Argentina. Universidad Nacional de La Plata. Facultad de Ciencias Agrarias y Forestales; Argentina
dc.description.fil
Fil: Sarli, Guillermo Oliverio. Universidad Nacional de La Plata. Facultad de Ciencias Agrarias y Forestales; Argentina
dc.description.fil
Fil: Gelati, Pablo Raúl. Universidad Nacional de La Plata. Facultad de Ciencias Agrarias y Forestales; Argentina
dc.description.fil
Fil: Filgueira, Roberto Raul. Universidad Nacional de La Plata. Facultad de Ciencias Agrarias y Forestales; Argentina. Universidad Nacional de La Plata. Facultad de Ciencias Agrarias y Forestales; Argentina
dc.journal.title
Soil & Tillage Research
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0167198710000528
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1016/j.still.2010.03.013
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