INFLUENCE OF GEOMORPHIC SURFACES ON THE SPATIAL DISTRIBUTION OF SOIL ATTRIBUTES IN A SUGARCANE CULTIVATION AREA

Authors

  • Milton César Costa Campos Federal University of Amazonas image/svg+xml
  • José Marques Júnior Universidade EStadual Paulista
  • Gener Tadeu Pereira Universidade Estadual Paulista

DOI:

https://doi.org/10.5216/pat.v40i2.4786

Keywords:

Soil attributes, geomorphic surface, soil-landscape relationship, landscape form

Abstract

Variations in soil attributes occur based on relief forms and parent material. The objective of this research was to study the influences of geomorphic surfaces on the spatial distribution of soil attributes in a sugarcane cultivation area. First, 530,67 hectares were mapped by using a Global Positioning System. Then, a Digital Elevation Model was developed and geomorphic surfaces were identified and delimited, according to topographic and stratigraphic criteria based on detailed field investigations. Soil samples were collected every 7 ha, at 0.0-0.25 m and 0.80-1.00 m depths, totalizing 134 samples. Texture, Ca, K, Mg, SB, CEC, V%, pH, and OMS analyses were carried out as well as descriptive statistics and geostatistics analysis. It was concluded that the geostatistic techniques and digital elevation model helped to notice that soil attributes presented limits close to the geomorphic surfaces ones.

KEY-WORDS: Soil attributes; geomorphic surface; soil-landscape relationship; landscape form.

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Author Biographies

  • Milton César Costa Campos, Federal University of Amazonas
    Eng. Agronomo, Mestre em Ciencia do Solo, Doutorando em Ciencia do Solo.
  • José Marques Júnior, Universidade EStadual Paulista
    Eng. Agronomo, Mestrado e Doutorado em Solos e Nutrição de Plantas
  • Gener Tadeu Pereira, Universidade Estadual Paulista
    EStatistico, Mestrado e Doutorado em Experimentação Agronomica

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Published

2010-06-29

Issue

v. 40, n. 2, Apr./Jun. 2010

Section

Soil Science

License

Authors will not be paid for published articles and must waive their copyright in favor of the PAT journal. On the other hand, they are solely responsible for the content of those articles, even if the Editor holds the right to adjust them to the norms of the journal. Authors are allowed to publish their articles simultaneously in their institutional repositories, as soon as the original publication at the PAT journal is mentioned.

How to Cite

CAMPOS, M. C. C.; MARQUES JÚNIOR, J.; PEREIRA, G. T. INFLUENCE OF GEOMORPHIC SURFACES ON THE SPATIAL DISTRIBUTION OF SOIL ATTRIBUTES IN A SUGARCANE CULTIVATION AREA. Pesquisa Agropecuária Tropical [Agricultural Research in the Tropics], v. 40, n. 2, p. 133–141, 29 Jun.2010.