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dc.contributor.author
de Dios Herrero, Juan Martín
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dc.contributor.author
Colazo, Juan Cruz
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dc.contributor.author
Buschiazzo, Daniel Eduardo
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dc.contributor.author
Galantini, Juan Alberto
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dc.date.available
2020-10-13T14:54:55Z
dc.date.issued
2020-02
dc.identifier.citation
de Dios Herrero, Juan Martín; Colazo, Juan Cruz; Buschiazzo, Daniel Eduardo; Galantini, Juan Alberto; Influence of sand gradation on compaction of loess soils; Elsevier Science; Soil & Tillage Research; 196; 104414; 2-2020; 1-7
dc.identifier.issn
0167-1987
dc.identifier.uri
http://hdl.handle.net/11336/115773
dc.description.abstract
Assessing the interaction among soil organic carbon (OC), Atterberg limits and soil texture, especially sand gradation, in maximum bulk density (BDMAX) can improve prediction of soil compactibility. Our objectives were a) to compare the effect of total OC, complexed OC (COC) and silt + clay (S + C) content on maximum bulk density in cultivated (CULT) and uncultivated (UNCULT) soils, and b) to evaluate how useful it may be to group soils according to Atterberg limits and the sand uniform coefficient (CU) in order to improve BDMAX prediction. Sixteen pairs of CULT and UNCULT soils were sampled in the province of San Luis, Argentina. The standard Proctor test was used to determine BDMAX. The BDMAX was related to OC and S + C in both managements. The BDMAX was better explained by S + C in CULT (R2 = 0.52) and by OC in UNCULT (R2 = 0.62). The COC did not improve prediction compared to OC. The plastic limits of soil, also called Atterberg limits, determine a range of soil moisture contents in which soil has a plastic consistency. Consequently, non-plastic soils are those lacking plastic consistency. In all non-plastic CULT soils, BDMAX was not associated with S + C. However, when these soils were grouped according to CU, the BDMAX was linearly related to S + C, both in well-graded sands (R2 = 0.47) and in poorly graded sands (R2 = 0.27). On the other hand, the relationship between BDMAX and S + C in plastic soils was negative and linear (R2 = 0.96). In coarse-textured soils, soils with a higher CU (well-graded sands) were more easily compacted than soils with a lower CU (poorly graded sands). Therefore, according to this model, in CULT soils with the same S + C content, compaction is 8–10% higher for soils with well-graded sands than those with poorly graded sands.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Elsevier Science
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dc.rights
info:eu-repo/semantics/restrictedAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
BULK DENSITY
dc.subject
ORGANIC CARBON
dc.subject
TEXTURE
dc.subject.classification
Ciencias del Suelo
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dc.subject.classification
Agricultura, Silvicultura y Pesca
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dc.subject.classification
CIENCIAS AGRÍCOLAS
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dc.title
Influence of sand gradation on compaction of loess soils
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2020-09-02T19:12:51Z
dc.journal.volume
196
dc.journal.number
104414
dc.journal.pagination
1-7
dc.journal.pais
Países Bajos
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dc.journal.ciudad
Amsterdam
dc.description.fil
Fil: de Dios Herrero, Juan Martín. Instituto Nacional de Tecnología Agropecuaria. Centro Regional Buenos Aires; Argentina
dc.description.fil
Fil: Colazo, Juan Cruz. Instituto Nacional de Tecnología Agropecuaria. Centro Regional Buenos Aires; Argentina
dc.description.fil
Fil: Buschiazzo, Daniel Eduardo. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Ciencias de la Tierra y Ambientales de La Pampa. Universidad Nacional de La Pampa. Facultad de Ciencias Exactas y Naturales. Instituto de Ciencias de la Tierra y Ambientales de La Pampa; Argentina
dc.description.fil
Fil: Galantini, Juan Alberto. Universidad Nacional del Sur; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Bahía Blanca. Centro de Recursos Naturales Renovables de la Zona Semiárida. Universidad Nacional del Sur. Centro de Recursos Naturales Renovables de la Zona Semiárida; Argentina
dc.journal.title
Soil & Tillage Research
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://linkinghub.elsevier.com/retrieve/pii/S0167198719303708
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/https://doi.org/10.1016/j.still.2019.104414
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