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dc.contributor.author
Botta, Guido Fernando
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dc.contributor.author
Vázquez, Juan Manuel
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dc.contributor.author
Tolón Becerra, Alfredo
dc.contributor.author
Balbuena, Roberto Hernan
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dc.contributor.author
Stadler, Maria Soledad
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dc.date.available
2020-02-10T17:34:18Z
dc.date.issued
2012-03
dc.identifier.citation
Botta, Guido Fernando; Vázquez, Juan Manuel; Tolón Becerra, Alfredo; Balbuena, Roberto Hernan; Stadler, Maria Soledad; Soil compaction distribution under land clearing in calden (Prosopis Caldenia Burkart) forest in Argentinean pampas; Elsevier Science; Soil & Tillage Research; 119; 3-2012; 70-75
dc.identifier.issn
0167-1987
dc.identifier.uri
http://hdl.handle.net/11336/97072
dc.description.abstract
Although the virgin soil has a high organic matter content that reduces the soil's susceptibility to compaction, the high weight of the tractors used for land clearing cause a high degree of soil compaction. This study was performed in the Calden (Prosopis Caldenia Burkart) forest at La Pampa State, in West Argentina. The object of this study was to assess the soil compaction during mechanical land clearing with heavy machinery. Variables measured were (CI) cone index, (BD) dry bulk density, tractor rut depth (TRD) and Proctor test. The land clearing was performed with a Caterpillar tractor D6, with 0.7×2.3m metallic tracks. The engine power was 300kW and the weight was 18 Mg. The relevant results were as follows: in topsoil (0-0.2m) 1 and 2 passes of a tractor caused mean CI values of 1833 and 2437kPa, respectively. Dry bulk density mean values had a similar behaviour to those of CI, measuring 1.75 and 1.85Mgm -3 for 1 and 2 passes, respectively. In the subsoil (0.2-0.9m), two tractor passes caused higher CI and BD values than one tractor pass: CI mean values were between 1991 and 2439kPa for one and two tractor passes, respectively. Dry bulk density mean values were between 1.81 and 1.89Mgm -3 for 1 and 2 passes, respectively. Significant differences were found in TRD when the tractor passed one or two times, measuring 0.092m TRD for one tractor pass and 0.111m for two tractor passes. The main conclusions of this study are as follow: the level of soil compactability increases as the maximum BD attains a higher level and at a lower water content level. When soil with a moisture content level over the critical water content is compressed (for example, by one tractor pass with 18 Mg total load) it reaches saturation, and the compaction stress travels deeper in the soil than when the soil is drier. Then if the use of heavy machinery cannot be avoided, special attention should be given to traffic at a water content which the soil do not attain saturation by compression. Compared with most agricultural practices the high weight of the land clearing machinery generate greater compaction stresses in the soil, raising the maximum BD that develops at lower water content and subsequently reducing the work opportunities.
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
CONE INDEX
dc.subject
DRY BULK DENSITY
dc.subject
PROCTOR TEST
dc.subject
TRACTOR RUT DEPTH
dc.subject
WATER CONTENT
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
Soil compaction distribution under land clearing in calden (Prosopis Caldenia Burkart) forest in Argentinean pampas
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2020-02-07T13:38:59Z
dc.journal.volume
119
dc.journal.pagination
70-75
dc.journal.pais
Países Bajos
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dc.journal.ciudad
Amsterdam
dc.description.fil
Fil: Botta, Guido Fernando. Universidad de Buenos Aires. Facultad de Agronomía; Argentina. Universidad Nacional de Luján; Argentina
dc.description.fil
Fil: Vázquez, Juan Manuel. Universidad Nacional de Luján; Argentina
dc.description.fil
Fil: Tolón Becerra, Alfredo. Universidad de Almería; España
dc.description.fil
Fil: Balbuena, Roberto Hernan. Universidad Nacional de La Plata. Facultad de Ciencias Agrarias y Forestales; Argentina
dc.description.fil
Fil: Stadler, Maria Soledad. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de La Pampa; Argentina
dc.journal.title
Soil & Tillage Research
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1016/j.still.2011.12.007
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0167198711002352
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