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Revista Brasileira de Ciência do Solo
versión impresa ISSN 0100-0683
BAQUERO, José Euripides et al. Soil physical properties and sugarcane root growth in a red oxiso. Rev. Bras. Ciênc. Solo [online]. 2012, vol.36, n.1, pp. 63-70. ISSN 0100-0683. http://dx.doi.org/10.1590/S0100-06832012000100007.
Sugarcane, which involves the use of agricultural machinery in all crop stages, from soil preparation to harvest, is currently one of the most relevant crops for agribusiness in Brazil. The purpose of this study was to investigate soil physical properties and root growth in a eutroferric red Oxisol (Latossolo Vermelho eutroférrico) after different periods under sugarcane. The study was carried out in a cane plantation in Rolândia, Paraná State, where treatments consisted of a number of cuts (1, 3, 8, 10 and 16), harvested as green and burned sugarcane, at which soil bulk density, macro and microporosity, penetration resistance, as well as root length, density and area were determined. Results showed that sugarcane management practices lead to alterations in soil penetration resistance, bulk density and porosity, compared to native forest soil. These alterations in soil physical characteristics impede the full growth of the sugarcane root system beneath 10 cm, in all growing seasons analyzed.
Palabras clave : Saccharum spp; compaction; monoculture.