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Title: Ecofunctional traits and biomass production in leguminous tree species under fertilization treatments during forest restoration in Amazonia
Authors: Jaquetti, Roberto Kirmayr
Gonçalves, José Francisco de Carvalho
Ferraz, João Baptista Silva
Ferreira, Marciel José
Santos Junior, Ulysses Moreira dos
Keywords: Biomass
Hydroelectric Power Plants
Biomass Productions
Degraded Area
Dipteryx Odorata
Inga Edulis
Nutrient-use Efficiencies
Organic Fertilization
Post-planting Fertilization
Schizolobium Amazonicum
Fertilizer Application
Forest Dynamics
Forest Management
Growth Response
Nutrient Use Efficiency
Restoration Ecology
Dipteryx Odorata
Inga Edulis
Schizolobium Amazonicum
Issue Date: 2016
metadata.dc.publisher.journal: Forests
metadata.dc.relation.ispartof: Volume 7, Número 4
Abstract: Background: Choosing the correct species and fertilization treatments is a determining factor in the success of forest restoration. Methods: A field study was conducted in a degraded area near the Balbina hydroelectric dam in Amazonas State (AM), Brazil, to evaluate two hypotheses: (i) leguminous tree species exhibit differences in growth, leaf nutrient content, and photosynthetic nutrient use efficiencies; and (ii) differences in these characteristics depend on the fertilization treatments to which the species have been subjected. Dipteryx odorata, Inga edulis and Schizolobium amazonicum were subjected to the following treatments: (T1) unfertilized control; (T2) post-planting chemical fertilization; (T3) post-planting organic fertilization and (T4) combined chemical and organic post-planting fertilization. Results: In general, I. edulis had the highest absolute growth rate of biomass under all of the fertilization treatments. I. edulis and S. amazonicum showed the highest growth rates under the T4 treatment. D. odorata showed the greatest responses under the T2 and T4 treatments. Native leguminous trees with higher photosynthetic performance and better nutrient use efficiency exhibited greater growth and biomass production. Conclusion: The results suggest that an adequate balance between leguminous species selection and fertilization will aid in the success of forest restoration in Amazonia. © 2016 by the authors.
metadata.dc.identifier.doi: 10.3390/f7040076
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