African Journal of
Agricultural Research

  • Abbreviation: Afr. J. Agric. Res.
  • Language: English
  • ISSN: 1991-637X
  • DOI: 10.5897/AJAR
  • Start Year: 2006
  • Published Articles: 6848

Full Length Research Paper

Compost of garbage and tree pruning used as substrates for production of irrigated wild poinsettia seedling

Barbara Barofaldi Ariguchi
  • Barbara Barofaldi Ariguchi
  • Centro Universitário UNIFAFIBE, Bebedouro, SP, Brazil.
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Joao Antonio Galbiatti
  • Joao Antonio Galbiatti
  • FCAV-Unesp,-Univ Estadual Paulista, Jaboticabal, Sp, Brazil.
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Aline Rombega Tito Rosa
  • Aline Rombega Tito Rosa
  • Centro Universitário UNIFAFIBE, Bebedouro, SP, Brazil.
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Flavia Gomes da Silva
  • Flavia Gomes da Silva
  • Centro Universitário UNIFAFIBE, Bebedouro, SP, Brazil.
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Rogerio Teixeira de Faria
  • Rogerio Teixeira de Faria
  • FCAV-Unesp,-Univ Estadual Paulista, Jaboticabal, Sp, Brazil.
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  •  Received: 09 January 2014
  •  Accepted: 22 January 2015
  •  Published: 12 February 2015

Abstract

The high nutrient content in organic composted waste is an alternative source of fertilizer for use in agriculture and for re-establishment of native forests. This work had as an objective is aimed to evaluate the growth of Pterogyne nitens (wild poinsettia) seedlings, a rainforest native species, on substrates containing composts of organic garbage and tree pruning. A greenhouse experiment was conducted, in which seedlings were randomly transplanted into tubes to establish 8 treatments, 4 substrates and 2 irrigation depths, in a 4×2 factorial arrangement, with three replicates. The substrates were: S1: 80% tree pruning compost and 20% garbage compost; S2: 100% tree pruning compost; S3: 80% tree pruning compost and 20% commercial substrate; S4: 100% commercial substrate. Irrigation was applied to supply 50% (Depth 1) and 100% (Depth 2) of daily reference evapotranspiration. Plantlet growth was not affected by irrigation, but plantlets were significantly taller in the treatment with 80% tree pruning plus 20% garbage composts. It was concluded that seedling formation of wild Poinsettia in a greenhouse environment can be satisfactorily obtained by supplying half of daily reference evapotranspiration depth and a substrate consisting of 80% pruning tree plus 20% garbage composts, which is suitable to replace the commercial fertilizer product.

 

Key words: Growing media, organic compost, re-establishment native plants.