Please use this identifier to cite or link to this item: http://repositorio.ufla.br/jspui/handle/1/39924
Title: Influence of field slope and coffee plantation age on the physical properties of a red-yellow latosol
Other Titles: Influência da declividade do solo e do tempo de cultivo de café nas propriedades físicas de um latossolo vermelho-amarelo
Keywords: Agricultural traffic
Coffea arabica L.
Soil degradation
Aggregate stability
Tráfego agrícola
Café
Degradação do solo
Issue Date: Feb-2014
Publisher: Sociedade Brasileira de Ciência do Solo (SBCS)
Citation: IORI, I. et al. Influence of field slope and coffee plantation age on the physical properties of a red-yellow latosol. Revista Brasileira de Ciência do Solo, Viçosa, MG, v. 38, n. 1, p. 107-117, Jan./Feb. 2014. DOI: 10.1590/S0100-06832014000100010.
Abstract: In modern agriculture, several factors cause changes in the soil physical properties. The time of establishment of a crop (plantation age) and the slope are examples of factors that moderate the impact of mechanized operations on the soil structure. The objective of this study was to analyze the effect of machinery traffic on the physical properties of a Red-Yellow Latosol under coffee plantations with different ages (2, 7, 18, and 33 years) and slope positions (3, 9 and 15 %). Samples were collected from three positions between coffee rows (lower wheel track, inter-row and upper wheel track) and at two depths (surface layer and sub-surface). Changes in the total porosity, macroporosity, microporosity, organic matter, bulk density, and aggregate stability were investigated. Our results showed that the slope influenced the organic matter content, microporosity and aggregate stability. The soil samples under the inter-row were minimally damaged in their structure, compared to those from under the lower and upper wheel track, while the structure was better preserved under the lower than the upper track. The time since the establishment of the crop, i.e., the plantation age, was the main factor determining the extent of structural degradation in the coffee plantation.
URI: http://repositorio.ufla.br/jspui/handle/1/56557924
Appears in Collections:DCS - Artigos publicados em periódicos



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