African Journal of
Agricultural Research

  • Abbreviation: Afr. J. Agric. Res.
  • Language: English
  • ISSN: 1991-637X
  • DOI: 10.5897/AJAR
  • Start Year: 2006
  • Published Articles: 6865

Full Length Research Paper

Decomposition rate of crambe phytomass on Haplortox under different soil management practices

Marcos Felipe Leal Martins
  • Marcos Felipe Leal Martins
  • UNIOESTE – State University of Western Paraná – Graduation Program, Master’s in Engineering in Energy in Agriculture. Address: Rua Universitária, 2069, CEP: 85.819-130 Bairro Faculdade, Cascavel, Paraná, Brazil.
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Deonir Secco
  • Deonir Secco
  • UNIOESTE – State University of Western Paraná – Graduation Program, Master’s in Engineering in Energy in Agriculture. Address: Rua Universitária, 2069, CEP: 85.819-130 Bairro Faculdade, Cascavel, Paraná, Brazil.
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Luiz Antonio Zanao Junior
  • Luiz Antonio Zanao Junior
  • UNIOESTE – State University of Western Paraná – Graduation Program, Master’s in Engineering in Energy in Agriculture. Address: Rua Universitária, 2069, CEP: 85.819-130 Bairro Faculdade, Cascavel, Paraná, Brazil.
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Luciene Kazue Tokura*
  • Luciene Kazue Tokura*
  • UNIOESTE – State University of Western Paraná – Graduation Program, Master’s in Engineering in Energy in Agriculture. Address: Rua Universitária, 2069, CEP: 85.819-130 Bairro Faculdade, Cascavel, Paraná, Brazil.
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Reginaldo Ferreira Santos
  • Reginaldo Ferreira Santos
  • UNIOESTE – State University of Western Paraná – Graduation Program, Master’s in Engineering in Energy in Agriculture. Address: Rua Universitária, 2069, CEP: 85.819-130 Bairro Faculdade, Cascavel, Paraná, Brazil.
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Samuel Nelson Melegari de Souza
  • Samuel Nelson Melegari de Souza
  • UNIOESTE – State University of Western Paraná – Graduation Program, Master’s in Engineering in Energy in Agriculture. Address: Rua Universitária, 2069, CEP: 85.819-130 Bairro Faculdade, Cascavel, Paraná, Brazil.
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Araceli Ciotti de Marins
  • Araceli Ciotti de Marins
  • Federal Technological University of Paraná - UTFPR, Department of Mathematics, Campus Toledo, PR, Brazil.
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Tiago Roque Benetoli da Silva
  • Tiago Roque Benetoli da Silva
  • Department of Agricultural Sciences, Maringá State University, UEM, Maringá, PR, Brazil
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  •  Received: 05 May 2016
  •  Accepted: 08 July 2016
  •  Published: 01 September 2016

Abstract

The aim of this study was to assess the decomposition rate of crambe straw under different soil management practices based on no-tillage system. The experiment was carried out at the experimental area of the Agronomic Institute of Paraná - IAPAR, regional center of Santa Tereza do Oeste, Paraná, Brazil. Treatments consisted of four soil management practices: Traditional No-tillage System - TNTS – Chisel Plowing Tillage System - CPTS – No-tillage System with Application of Gypsum - NTSG - and Quality No-tillage System - QNTS. The treatments were distributed in randomized order in parts subdivided on time with fifteen macro-plots of 20 m x 25 m. The assessments took place on 0 (zero), 7, 15, 30, 60, 90, and 120 days after crambe crop harvest. Decomposition was determined quantitatively through the analysis of the decomposition rate of crop residues using litter bags. Average loss of crambe phytomass was significantly different (p>0.05), mainly for CPTS and NTSG, around 0. 63% day-1 and 0. 71% day-1, respectively. The longest half-life period (66 days) was observed on QNTS with bristle oat and white lupin consortium, and the shortest half-life period (45 days) was observed on CPTS.

Key words: Crambe abyssinica, litter bags, half-life period.

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

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