Spatial variability of physical attributes of a cohesive soil under conventional and no-tillage management systems

Authors

  • Letícia da Silva Ribeiro Universidade Federal do Piauí, BR135, Km 3, Planalto Horizonte, CEP 64900-000 Bom Jesus, PI.
  • Ismênia Ribeiro de Oliveira Universidade Federal do Maranhão, BR 222, Km 04, s/no, Boa Vista, CEP 65500-000 Chapadinha, MA.
  • Jussara Silva Dantas Universidade Federal de Campina Grande, Rua Jairo Vieira Feitosa, no 1770, Pereiros, CEP 58840-000 Pombal, PB.
  • Camila Vieira da Silva Universidade Federal do Maranhão, BR 222, Km 04, s/no, Boa Vista, CEP 65500-000 Chapadinha, MA.
  • Grazieli Brito da Silva Universidade Federal do Maranhão, BR 222, Km 04, s/no, Boa Vista, CEP 65500-000 Chapadinha, MA.
  • James Ribeiro de Azevedo Universidade Federal do Maranhão, BR 222, Km 04, s/no, Boa Vista, CEP 65500-000 Chapadinha, MA.

DOI:

https://doi.org/10.1590/S1678-3921.pab2016.v51.22446

Keywords:

densidade do solo, krigagem ordinária, porosidade do solo, qualidade física do solo, umidade do solo

Abstract

The objective of this work was to evaluate the spatial variability of moisture content, bulk density,and porosity of a cohesive soil under conventional and no-tillage management systems. Two regular grids were installed, one for each management type. The soil was collected at the 0.00–0.20-m depth and the spatial
variability of its attributes was analyzed by semivariogram parameters and ordinary kriging geostatistical interpolation. The soil showed greater bulk density and moisture conservation under no-tillage, and greater porosity under conventional tillage.

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Published

2016-10-17

How to Cite

Ribeiro, L. da S., Oliveira, I. R. de, Dantas, J. S., Silva, C. V. da, Silva, G. B. da, & Azevedo, J. R. de. (2016). Spatial variability of physical attributes of a cohesive soil under conventional and no-tillage management systems. Pesquisa Agropecuaria Brasileira, 51(9), 1699–1702. https://doi.org/10.1590/S1678-3921.pab2016.v51.22446

Issue

v.51, n.9, set. 2016: Número Temático O solo como fator de integração entre os componentes ambientais e a produção agropecuária

Section

SCIENTIFIC NOTES