African Journal of
Agricultural Research

  • Abbreviation: Afr. J. Agric. Res.
  • Language: English
  • ISSN: 1991-637X
  • DOI: 10.5897/AJAR
  • Start Year: 2006
  • Published Articles: 6900

Full Length Research Paper

Process capacity index in drip irrigation with cassava wastewater processing

Eliane Hermes
  • Eliane Hermes
  • Department of Engineering and Exact Federal University of Paraná, 2153 Pioneiro Street, 85950-000, Palotina, P.R. Brazil.
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Marcio Antonio Vilas Boas
  • Marcio Antonio Vilas Boas
  • Research Group on Water Resources and Environmental Sanitation, Western Parana State University, UNIOESTE/Cascavel/CCET/PGEAGRI, 2069 Universitaria Street, 85819-110, Cascavel, P.R. Brazil.
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Lineu Neiva Rodrigues
  • Lineu Neiva Rodrigues
  • Embrapa Cerrados, BR 020, Km 18, 73010-970 Planaltina, D.F. Brazil.
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Eloy Lemos de Melo
  • Eloy Lemos de Melo
  • Research Group on Water Resources and Environmental Sanitation, Western Parana State University, UNIOESTE/Cascavel/CCET/PGEAGRI, 2069 Universitaria Street, 85819-110, Cascavel, P.R. Brazil.
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Manoel Penachio Gonçalves
  • Manoel Penachio Gonçalves
  • Department of Engineering and Exact Federal University of Paraná, 2153 Pioneiro Street, 85950-000, Palotina, P.R. Brazil.
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Marcos Araújo Lins
  • Marcos Araújo Lins
  • Department of Engineering and Exact Federal University of Paraná, 2153 Pioneiro Street, 85950-000, Palotina, P.R. Brazil.
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Jussara Silva Berger
  • Jussara Silva Berger
  • Department of Engineering and Exact Federal University of Paraná, 2153 Pioneiro Street, 85950-000, Palotina, P.R. Brazil.
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  •  Received: 13 February 2015
  •  Accepted: 18 March 2015
  •  Published: 19 March 2015

Abstract

The study aimed to evaluate the performance of drip irrigation systems with clean water application and cassava wastewater processing, by determining the distribution uniformity coefficient (CUD) and the process capability index (Cpl). The research was carried out in an agroindustrial area from western Paraná State, Brazil, where two irrigation systems were set and operated in different periods. After the essays implementation, the two irrigation systems were identified and stored in order to be retested after one year (2nd year of collection). So, the same conditions that were established in the first year had still been considered. Treatments with effluent showed flow averages near to those ones obtained with the use of clean water. Only in the T4 treatment, CUD was classified as good, while the others were excellent. The process was rated as efficient only in T1 with 80% LCL, with a 2.04 Cpl. Thus, based on this technique, it was possible to check that the system is able to keep suitable levels of uniformity.

 

Key words: Distribution uniformity, process capability, water quality.

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This article is published under the terms of the Creative Commons Attribution License 4.0

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