Efficiency of Biological Utilization of Micronutrients by Forests Species in Hypoxerophytic Caatinga

ABSTRACT The study aimed to estimate the concentrations and efficiency of biological utilization of Cu, Fe, Zn, and Mn and the leaf biomass of ten species in a hypoxerophytic Caatinga fragment, aiming to contribute to a more adequate choice of species for reforestation programs in the Brazilian Caat...

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Bibliographic Details
Published in:Floresta e ambiente 2018-01, Vol.25 (4)
Main Authors: Albuquerque, Alcienia Silva, Freire, Fernando José, Barbosa, Mozart Duarte, Marangon, Luiz Carlos, Feliciano, Ana Licia Patriota
Format: Article
Language:English
Subjects:
forest nutrition
leaf biomass
nutrient concentrations
nutritional efficiency
PLANT SCIENCES
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Summary:ABSTRACT The study aimed to estimate the concentrations and efficiency of biological utilization of Cu, Fe, Zn, and Mn and the leaf biomass of ten species in a hypoxerophytic Caatinga fragment, aiming to contribute to a more adequate choice of species for reforestation programs in the Brazilian Caatinga. The leaves of three trees of each species were sampled and the concentration of micronutrients was determined, estimating their content and efficiency of biological utilization. The efficiency of biological utilization followed the decreasing order: Mn > Cu > Zn > Fe. Jatropha mollissima and Spondias tuberosa were less efficient in the use of Fe and Senegalia paniculata and Croton blanchetianus, in the use of Zn. However, Piptadenia stipulacea and Mimosa ophthalmocentra were very efficient in using Fe and Mn. The nutritional efficiency of the species can serve as a criterion for choice of species in forest restoration programs.
ISSN:1415-0980
2179-8087
2179-8087
DOI:10.1590/2179-8087.092517