African Journal of
Agricultural Research

  • Abbreviation: Afr. J. Agric. Res.
  • Language: English
  • ISSN: 1991-637X
  • DOI: 10.5897/AJAR
  • Start Year: 2006
  • Published Articles: 6578

Full Length Research Paper

Growth of eucalyptus seedlings irrigated with different wastewaters

Joiran Luiz Magalhaes
  • Joiran Luiz Magalhaes
  • University of Rio Verde - UniRV.P.O. Box 104, CEP 75901-970, Rio Verde, GO- Brazil.
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Gustavo Andre Simon
  • Gustavo Andre Simon
  • University of Rio Verde - UniRV.P.O. Box 104, CEP 75901-970, Rio Verde, GO- Brazil.
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June Faria Scherrer Menezes
  • June Faria Scherrer Menezes
  • University of Rio Verde - UniRV.P.O. Box 104, CEP 75901-970, Rio Verde, GO- Brazil.
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Arthur Almeida Rodrigues*
  • Arthur Almeida Rodrigues*
  • Federal Institute of Education and Technology, Goiás, Rio Verde Campus, South Highway Goiana, km 0, Zona Rural, Rio Verde-GO, CEP 75901-970, Brazil.
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Uilter Sousa Azambuja
  • Uilter Sousa Azambuja
  • University of Rio Verde - UniRV.P.O. Box 104, CEP 75901-970, Rio Verde, GO- Brazil.
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Douglas Almeida Rodrigues
  • Douglas Almeida Rodrigues
  • Federal Institute of Education and Technology, Goiás, Rio Verde Campus, South Highway Goiana, km 0, Zona Rural, Rio Verde-GO, CEP 75901-970, Brazil.
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Antonio Carlos Saraiva da Costa
  • Antonio Carlos Saraiva da Costa
  • Department of Agronomy, State University of Maringá, Maringa, Brazil.
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  •  Received: 24 October 2016
  •  Accepted: 14 November 2016
  •  Published: 17 November 2016

Abstract

This study aimed to evaluate the growth of two species and one eucalyptus hybrid irrigated with different wastewaters. The experiment was carried out in a greenhouse in a completely randomized split-plot experimental design with three replications. The effluent included: Urban source, beef cattle slaughterhouse, poultry/swine slaughterhouse and soy processing/dairy plant from the wastewater treatment plants (WWTPs). In the subplot, the wastewater was diluted to the concentrations of 0, 25, 50, 75 and 100%. In the subplot, two species (Eucalyptus citriodora and Eucalyptus urophylla) and a eucalyptus hybrid (Eucalyptus urophylla x Eucalyptus grandis) were tested. The following physiological attributes were evaluated: mortality, root area, leaf area, stem diameter, plant height, green matter mass and dry matter weight. The results showed that the water from the beef cattle slaughterhouse WWTP, at 50% concentration, impaired growth of genotypes and promoted higher mortality values. As the concentrations of the four wastewater types increased, there was a significant variation for all characteristics except for: leaf area, plant height and dry matter weight with the soy processing/dairy WWTP water. The tested waters might be used in seedling irrigation of the two Eucalyptus plant species and the hybrid.

Key words: Sewage sludge, water reuse, seedling production.