Index of efficiency of macronutrients in tree species in a mixed araucaria forest/Paraná State
DOI:
https://doi.org/10.5433/1679-0359.2006v27n3p321Keywords:
Tree species, Nutrients efficiency, Araucaria Forest.Abstract
The main objective of this research work was to study the Efficiency Index of Macronutrients in tree biomass in a Mixed Araucaria Forest through 20 primary sample plots of 12 m x 12 m. The efficiency indexes of macronutrients (EIMacronutrients) varied between the tree species, and between the biomass up ground components (stem = wood stem + bark; leaves and total = stem + branch + leaves). The species that showed hight EIMacronutrients to the stem production were the same that showed hight EIMacronutrients to the woody components production (stem + branches), excetp Myrsine ferruginea; Schinus terebinthifolius and Calyptranthes concinna.
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