RELATIONSHIP BETWEEN PLASTICITY LIMIT AND THE OPTIMUM MOISTURE FOR COMPACTION OF A DARK-RED LATOSOL (OXISOL) IN DIFFERENT CONDITIONS OF USE

Authors

  • Diego Monteiro Dias
  • Gracielly Ribeiro de Alcântara
  • Elton Fialho dos Reis

DOI:

https://doi.org/10.13083/reveng.v20i1.189

Keywords:

Compactação do solo, degradação do solo, solo argiloso.

Abstract

The correlation between plasticity limit and the optimum moisture for compaction is highly useful to assess soil for different uses such as machine-soil interaction. This work was done to determine the relationship between the plasticity limit and the compacting optimal moisture of a dark-red latosol (oxisol) in different conditions of use. The experiment was done in an experimental field of the Agência Rural, located in the city of Anápolis and the Laboratory of Soil Mechanics of the University and the Exact and Technological Sciences unit of the Universidade Estadual of Goiás. The experiment was installed with three replications in the completely randomized design, in 4 x 3 factorial, (four types of soil use (soil under no-tillage corn, soil under conventional tillage with soybean, fruit orchard and a degraded pasture) and three soil depths (0 to 10 cm, 10 to 20 cm and 20 to 30 cm).. The results showed that the lowest compaction optimal moisture was in the corn cultivated soil. The values of plastic limit were higher than the compaction optimal moisture in all types of soil use. The use of agricultural machines close to upper limit of the friable state causes compaction in all types of soil use.

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Published

2012-03-05

How to Cite

Dias, D. M., Alcântara, G. R. de, & Reis, E. F. dos. (2012). RELATIONSHIP BETWEEN PLASTICITY LIMIT AND THE OPTIMUM MOISTURE FOR COMPACTION OF A DARK-RED LATOSOL (OXISOL) IN DIFFERENT CONDITIONS OF USE. Engineering in Agriculture, 20(1), 25–32. https://doi.org/10.13083/reveng.v20i1.189

Issue

Vol. 20 No. 1 (2012)

Section

Agricultural mechanization

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