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Please use this identifier to cite or link to this item: http://repositorio.ufla.br/jspui/handle/1/14333

Title: EFFICIENCY OF SUBSOILING DEPTH ACCORDING TO THE SLOPE OF THE LAND
???metadata.dc.creator???: Pereira, Daniel Pena
Fiedler, Nilton César
Lima, Julião Soares de Souza
Guimarães, Pompeu Paes
Môra, Rômulo
Carmo, Flávio Cipriano de Assis do
Keywords: Forest management, soil compaction, depth of subsoiling.
Publisher: CERNE
CERNE
???metadata.dc.date???: 5-Apr-2016
Other Identifiers: http://www.cerne.ufla.br/site/index.php/CERNE/article/view/859
Description: The effectiveness of subsoiling by measuring the depths achieved in different classes of slope of a forest plantation was evaluated. This operation was made with a fertilizer trawling subsoiler with a single smooth parabolic rod depending on seven groups of slope and the maximum lateral inclination of the tractor to perform the subsoiling. It was determined the number and breadth of slope classes by Sturges formula. Data were assessed by regression analysis for data with repetition at 5% significance level. The proposed regression model was adequate to describe the values given that it presented significant result for the F test. For the adjustment of the regression equation, the coefficient of determination was 78.95%, representing the the depth values that are explained by the slope. Thus, it can be said that the depth of subsoiling decreases as the steepness of the ground increases and is a limiter for the quality of the mechanized soil preparation. The results demonstrate that slopes up to 40% allowed the operation of subsoiling to reach the minimum depth of 0.50 m for forest cultivation.
???metadata.dc.language???: eng
Appears in Collections:CERNE

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