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

Influence of spatial arrangements on silvicultural characteristics of three Eucalyptus clones at integrated crop-livestock-forest system

André Dominghetti Ferreira
  • André Dominghetti Ferreira
  • Empresa Brasileira de Pesquisa Agropecuária, Embrapa Gado de Corte, Campo Grande, MS, Brasil.
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Ademar Pereira Serra
  • Ademar Pereira Serra
  • Empresa Brasileira de Pesquisa Agropecuária, Embrapa Gado de Corte, Campo Grande, MS, Brasil.
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Valdemir Antônio Laura
  • Valdemir Antônio Laura
  • Empresa Brasileira de Pesquisa Agropecuária, Embrapa Gado de Corte, Campo Grande, MS, Brasil.
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Alexandre Cassiano Batistela Ortiz
  • Alexandre Cassiano Batistela Ortiz
  • Engenheiro Agrônomo, Campo Grande, MS, Brasil.
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Alexandre Romeiro de Araújo
  • Alexandre Romeiro de Araújo
  • Empresa Brasileira de Pesquisa Agropecuária, Embrapa Gado de Corte, Campo Grande, MS, Brasil.
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Denise Renata Pedrinho
  • Denise Renata Pedrinho
  • Programa de Pós-graduação em Produção e Gestão Agroindustrial, Uniderp, Campo Grande, MS, Brasil.
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Alex Mendonça de Carvalho
  • Alex Mendonça de Carvalho
  • Universidade Federal de Lavras, Lavras, MG, Brasil.
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  •  Received: 14 March 2016
  •  Accepted: 21 April 2016
  •  Published: 12 May 2016

Abstract

This research evaluated the influence of different spatial arrangements on the growth of three Eucalyptus clones as well as the characteristics that influence the quality of the timber. The experiment was carried out at Embrapa - Beef Cattle station, Campo Grande city, Mato Grosso do Sul State, Brazil. The design was in randomized blocks in a factorial scheme (3 × 3) with plots subdivided by time and four repetitions. Three clones of Eucalyptus were used (Urocam VM1, Grancam 1277 and Urograndis I144), and there were three spatial arrangements (single, double and triple row). At 20 and 32 months after planting, the variables, total plant height, diameter at breast height (DBH), volume of timber per tree, volume of timber per hectare, straightness and forking, and cylindricity were evaluated. The spatial arrangements influenced the behavior of the genetic material, and the greatest tree heights were observed in the triple row arrangements. The single row arrangement provided greater gains in DBH. The Grancam clone stood out from the others in the characteristics of straightness and forking, independent of the spatial arrangement and time of evaluation. It was concluded that the volume of timber per tree and the volume of timber per hectare were associated with the planting density, low density results in lower volume.

 

Key words: Agroforestry-pasture systems, spacing, timber quality.