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Ciencia del suelo
versión On-line ISSN 1850-2067
Resumen
SANTOS ALVES, Pablo Fernando; FERREIRA MOREIRA, Suerlani Aparecida; PEREIRA LOPES, Paulo Augusto y KONDO, Marcos Koiti. Carnauba wax as waterproofing and clod size in the determination of bulk density. Cienc. suelo [online]. 2018, vol.36, n.2, pp.76-79. ISSN 1850-2067.
The choice of waterproofing material in the analysis of bulk density is a fundamental step when it opts for its realization by the waterproofed clod method. The objective of this work verify that the carnauba wax can be used as waterproofing clods in the determination of soil density and determine the size of the clod appropriate for analysis, comparing the results with the estimate by the volumetric ring method. The experimental design was completely randomized in a factorial arrangement 2x2 + 1, with four replications, two waterproofing, two average diameters of nougat, and a control treatment, soil density by volumetric ring method. To analyze samples were collected in three soil classes in the Janaúba county, Minas Gerais State, Brazil, being the Typic Eutrustox (eutrophic Red Latosol), Haplustalf (eutrophic Red Nitosol) and Albaqualf (Haplic Planosol). It was found that carnauba wax can be used as waterproofing of lumps in the bulk density analysis. Aside from Albaqualf, the use of clods with an average diameter of 6 cm waterproofed with carnauba wax allows an estimate of soil density similar to that obtained by the volumetric ring method.
Palabras clave : Copernicia cerifera; physical attributes; soil analysis; workplace safety.