Calcium and potassium silicates and the growth of Eucalyptus grandis seedlings

Authors

  • Itamar Antonio Bognola Embrapa Florestas
  • Lina Avila Clasen Pontifícia Universidade Católica do Paraná
  • Luziane Franciscon Embrapa Florestas
  • Jose Luiz Gava Suzano Papel e Celulose
  • Renato Antonio Dedecek Embrapa Florestas
  • Fernando Márcio da Silva Suzano Papel e Celulose

DOI:

https://doi.org/10.4336/2011.pfb.31.66.83

Keywords:

Silicon, Fertilization, Forest nutrition

Abstract

The use of silicate is a practice that has been frequently adopted in annual crops, although few studies have been conducted in order to verify its efficiency in forest tree species. The main objective of this research was to evaluate the effect of calcium and potassium silicates in the growth of seedlings of Eucalyptus grandis. The experiment was conducted in a greenhouse, in Alambari county, State of São Paulo. A completely randomized experimental design was adopted, with eight treatments, three replications and 25 plants per plot, maintained at the field capacity moisture level. Seedlings were planted in plastic tubes using local substrate, basic fertilization and silicates. Diameter, height and fresh and dry biomass of the seedlings were determined 150 days after silicates treatments were applied. The use of silicates either in the substrate or through foliar application, in the production of eucalypt seedlings has proven to be inadequate when the substrate presents a balanced basic composition in terms of nutrients and pH.

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Author Biographies

Itamar Antonio Bognola, Embrapa Florestas

Engenheiro Agrônomo, Pesquisador, Doutor

Lina Avila Clasen, Pontifícia Universidade Católica do Paraná

Bolsista PIBIC/CNPq e graduanda do Curso de Bacharelado em Biologia da Pontifícia Universidade Católica do Paraná - PUCPR, Rua Imaculada Conceição, 1155 - Prado Velho - CEP: 80215-901 - Curitiba - PR.

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Published

2011-06-17

How to Cite

BOGNOLA, Itamar Antonio; CLASEN, Lina Avila; FRANCISCON, Luziane; GAVA, Jose Luiz; DEDECEK, Renato Antonio; SILVA, Fernando Márcio da. Calcium and potassium silicates and the growth of Eucalyptus grandis seedlings. Pesquisa Florestal Brasileira, [S. l.], v. 31, n. 66, p. 83, 2011. DOI: 10.4336/2011.pfb.31.66.83. Disponível em: https://pfb.sede.embrapa.br/pfb/article/view/150. Acesso em: 25 apr. 2026.

Issue

Vol. 31 No. 66 (2011): abr./jun.

Section

Articles

License

Copyright (c) 2011 Itamar Antonio Bognola, Lina Avila Clasen, Luziane Franciscon, Jose Luiz Gava, Renato Antonio Dedecek, Fernando Márcio da Silva

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