LEAF NUTRIENT CONTENTS IN Ilex paraguariensis TREE CONSIDERING CANOPY POSITION AND GEOGRAPHICAL ORIENTATION, IN GUARAPUAVA-PR

Authors

  • Jorge Luiz Moretti de SOUZA UFPR-DSEA
  • Marla Alessandra de ARAUJO UFPR-DSEA
  • Carlos Bruno REISSMANN UFPR-DSEA
  • Agenor MACCARI JÚNIOR UFPR-DSEA
  • Clauriane Stele WOLF UFPR-DSEA

DOI:

https://doi.org/10.5380/rsa.v9i1.10132

Keywords:

análise química, teores, macronutrientes, chemical analysis, contents, macronutrients

Abstract

The objective of this paper was to analyze the relation between dry and fresh weight and the nutrient contents (N, P, K, Ca e Mg) in leafs of Ilex paraguariensis tree, considering canopy position (lower, medium and upper) and geographical orientation (north, south, east and west). The experiment was accomplished in Guarapuava-PR, in a stand with 15 years of age. The analyses showed that: the medium relationship among the dry and fresh weight of leaves in the canopy position was in 0,4463; except for the calcium, the Ilex Paraguariensis trees do not export different amounts of the nutrient in relation to the canopy position and geographical orientation; 35,45% of the leaves are in the lower canopy position, 36,84% in the medium and 27,71% in the upper; the concentrations of the nutrients (N, P, K, Ca and Mg) found in the leaves were smaller than values verified in native Ilex paraguariensis trees.

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Published

2008-01-01

How to Cite

SOUZA, J. L. M. de, ARAUJO, M. A. de, REISSMANN, C. B., MACCARI JÚNIOR, A., & WOLF, C. S. (2008). LEAF NUTRIENT CONTENTS IN Ilex paraguariensis TREE CONSIDERING CANOPY POSITION AND GEOGRAPHICAL ORIENTATION, IN GUARAPUAVA-PR. Scientia Agraria, 9(1), 049–058. https://doi.org/10.5380/rsa.v9i1.10132

Issue

Vol. 9 No. 1 (2008)

Section

Soil Science

License

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