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Floresta e Ambiente

versão impressa ISSN 1415-0980versão On-line ISSN 2179-8087

Resumo

VARGAS, Giovanno Radel de et al. Biomass Deposition and Chemical Composition of Litterfall in Clonal Eucalyptus Plantations. Floresta Ambient. [online]. 2019, vol.26, n.2, e20170450.  Epub 04-Abr-2019. ISSN 2179-8087.  https://doi.org/10.1590/2179-8087.045017.

Productivity in clonal eucalyptus plantations depends on the genetic material and on the demand and cycling of nutrients, making studies that evaluate these requirements necessary. The aim of this study was to evaluate the effect of management (with and without thinning) on ​​the deposition, chemical composition and nutrient contribution in litter at different clonal or stallion eucalyptus plantations. The experiment was conducted under a subdivided plot design for comparison of “clone” and “thinning” treatments. Plots were composed of eight different clonal and eucalyptus seed plantations, with subplots being areas where thinning was performed and areas without thinning. Litter deposition pattern associated to seasons was observed, with higher values ​​in the spring and summer. The leaf fraction was more representative in relation to nutrients. Deposition values ​​were close in most plantations. Nutritional contents were higher in leaves of areas with thinning in relation to the other areas.

Palavras-chave : litter; clones; thinning.

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