Comparison among three different methods of vegetable tissue analysis.

Authors

  • Sandro Vaccaro
  • Eleandro José Brun Universidade Federal de Santa Maria
  • Mauro Valdir Schumacher Universidade Federal de Santa Maria
  • Flávia Gizele König Universidade Federal de Santa Maria
  • Isabel Sandra Kleinpaul Universidade Federal de Santa Maria
  • Denise Ester Ceconi Universidade Federa de Santa Maria

Keywords:

Method of chemical analysis, Litter

Abstract

The objective of the present work was to compare three different methods of chemical analysis of vegetable tissue: the method of nitro-percloric digestion, Tedesco et al. and Adler & Wilcox. As material was analyzed 03 samples of the fraction leaves of the litter collected in each one of the two Seasonal Deciduous Forest fragments, collected in August of 1990 in the forest of the "Hill of the Elephant" (Santa Maria city, RS) and in August of 1995 in Santa Tereza´s forest, RS. The analyses were made at the Laboratory of Forest Ecology, in Department of Forest Sciences of UFSM. The results evidenced that the content of P extracted for the method of Adler & Wilcox and the nitro-percloric digestion was similar. The contents of K extracted for the three methods were similar. The method of nitropercloric digestion extracted high contents of Ca and relatively superiors of Mg. The method Tedesco et al. it presented smaller extraction efficiency for P, Ca and Mg. In spite of the largest extraction efficiency, the method of digestion nitropercloric presents larger use risks.

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References

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TEDESCO, M. J.; GIANELLO, C.; BISSANI, C. A.; BOHNEN, H.; VOLKWEISS, S. J. Análise de solo, plantas e outros materiais. 2. ed. Porto Alegre: Universidade Federal do Rio Grande do Sul, Departamento de Solos, 1995. 118 p. (UFRGS. Boletim Técnico, 5).
VACCARO, S. Caracterização fitossociológica de três fases sucessionais de uma Floresta Estacional Decidual, no município de Santa Tereza - RS. 1997. 92 f. Dissertação (Mestrado em Engenharia Florestal) - Universidade Federal de Santa Maria, Santa Maria.

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Published

2004-06-30

How to Cite

VACCARO, Sandro; BRUN, Eleandro José; SCHUMACHER, Mauro Valdir; KÖNIG, Flávia Gizele; KLEINPAUL, Isabel Sandra; CECONI, Denise Ester. Comparison among three different methods of vegetable tissue analysis. Pesquisa Florestal Brasileira, [S. l.], n. 48, p. 15–28, 2004. Disponível em: https://pfb.sede.embrapa.br/pfb/article/view/1593. Acesso em: 18 aug. 2025.

Issue

No. 48 (2004): jan./jun.

Section

Articles

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