Field performance of a winged scarifier as a function of soil compaction and water content

Initial soil conditions, operational aspects, and tool shape affect the efficiency of soil decompaction. The objective of this study was to evaluate the performance of a winged scarifier as a function of soil compaction and edaphic water content. The experiment was carried out in a typical Hapludoll...

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Detalles Bibliográficos
Autores principales: Cholaky, Carmen, Cisneros, José M., Balbuena, Roberto H.
Formato: Articulo
Lenguaje:Español
Publicado: 2010
Materias:
Ciencias Agrarias
Agricultural engineering
Bulk density
Compaction
Water content
Winged scarifier
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/82484
Aporte de:
SEDICI (UNLP) de Universidad Nacional de La Plata
id I19-R120-10915-82484
record_format dspace
institution Universidad Nacional de La Plata
institution_str I-19
repository_str R-120
collection SEDICI (UNLP)
language Español
topic Ciencias Agrarias
Agricultural engineering
Bulk density
Compaction
Water content
Winged scarifier
spellingShingle Ciencias Agrarias
Agricultural engineering
Bulk density
Compaction
Water content
Winged scarifier
Cholaky, Carmen
Cisneros, José M.
Balbuena, Roberto H.
Field performance of a winged scarifier as a function of soil compaction and water content
topic_facet Ciencias Agrarias
Agricultural engineering
Bulk density
Compaction
Water content
Winged scarifier
description Initial soil conditions, operational aspects, and tool shape affect the efficiency of soil decompaction. The objective of this study was to evaluate the performance of a winged scarifier as a function of soil compaction and edaphic water content. The experiment was carried out in a typical Hapludoll. Treatments considered two soil compaction levels: high (HC) and low compaction (LC); and three soil water contents: wet (WS), humid (HS), and dry (DS) with 9, 14, and 19% gravimetric water content, respectively. A split-plot randomized block design was applied. Tractive effort, disturbed area, tillage depth, specific resistance, and power were evaluated. Results showed that tractive effort was 17% greater in HC than LC, and in both cases HS was greater than WS and DS. The specific resistance in HC was equal to 8, 9, and 11 N cm-2 in WS, HS, and DS, respectively, and 7, 8, and 7 N cm-2 in BC in similar soil water contents, respectively. Tillage depth was low and irregular only in HC-DS. Specific resistance was not an adequate indicator of overall work efficiency because it does not consider the final soil physical profile. Overall work efficiency in HC was greater under HS conditions, while in LC it was greater under HS and DS conditions.
format Articulo
Articulo
author Cholaky, Carmen
Cisneros, José M.
Balbuena, Roberto H.
author_facet Cholaky, Carmen
Cisneros, José M.
Balbuena, Roberto H.
author_sort Cholaky, Carmen
title Field performance of a winged scarifier as a function of soil compaction and water content
title_short Field performance of a winged scarifier as a function of soil compaction and water content
title_full Field performance of a winged scarifier as a function of soil compaction and water content
title_fullStr Field performance of a winged scarifier as a function of soil compaction and water content
title_full_unstemmed Field performance of a winged scarifier as a function of soil compaction and water content
title_sort field performance of a winged scarifier as a function of soil compaction and water content
publishDate 2010
url http://sedici.unlp.edu.ar/handle/10915/82484
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