ESTUDO DE AMOSTRAGEM PARA A ANÁLISE QUÍMICA FOLIAR DO DEDALEIRO (LAFOENSIA PAGARI ST. HIL. ) NA ARBORIZAÇÃO URBANA
DOI:
https://doi.org/10.24278/2178-5031.199242841Keywords:
Lafoensia pacari, dedaleiro, nutrition, sampling technics, urban forestry, urban treesAbstract
The study was undertaken in a linear plantation of 25 dedaleiro (Lafoensia pacari St. Hil.) trees along a street. The sampling offoliage was done in three positions within the crowns atthe base, in the middle and atthe top, in northern exposition. By chemical foliar analysis the following elementsweredetermined: N, P, K, Ca, Mg, Fe, Mn, Cu and Zn. The results indicate that for the elements P, K, Ca, Mg and Zn no differences could be found in relation to sample position. Samples from the middle position within the crown gave better representative results for the elements N, Fe, Mn and eu. From this the conclusion was drawn that for ali elements the sample position in the middle of the crown gives the most representative results.
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