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Instituto Internacional de Ecologia, Brazilian Journal of Biology, 4(75), p. 119-125

DOI: 10.1590/1519-6984.07114

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Growth of tropical tree species and absorption of copper in soil artificially contaminated

Journal article published in 2015 by R. F. Silva, R. Andreazza, C. Da Ros, A. Dellai, R. J. S. Jacques ORCID, D. Scheid
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Postprint: policy unknown
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Abstract

Reclamation of copper contaminated sites using forest species may be an efficient alternative to reduce the negative impact. The aim of this study was to quantify the growth and evaluate the quality of seedlings of native species at different doses of copper in the soil. The experimental design was completely randomized, with seven replications in a factorial arrangement (3×9), using three indigenous species of plants (Anadenanthera macrocarpa, Mimosa scabrella and Apuleia leiocarpa) and nine doses of copper in the soil (0, 60, 120, 180, 240, 300, 360, 420 and 480 mg kg-1).The experiment was carried out in a greenhouse which the seedlings were grown for 180 days. The experimental units were plastic pots of 125 cm3 filled with Oxisol. The results indicated that the levels of copper applied to the soil decreased the quality of seedlings and growth of Apuleia leiocarpato a lesser extent compared with Mimosa scabrella and Anadenanthera macrocarpa. Anadenanthera macrocarpa was the forest species that resulted in the lowest copper translocation from roots to shoots. In addition, the Apuleia leiocarpa exhibited high resistance and tolerance for copper in the soil and also, it is highlighted an ability for copper phytoremediation.