Decomposition and nutrients released from forest and perennial crops associated with organic coffee

Authors

DOI:

https://doi.org/10.25186/.v16i.1845

Abstract

Agroforestry consortia increase organic matter and nutrient cycling in agricultural systems. For this reason, the objective of this work was to study the release rate of nutrients and the decomposition of different organic residues, two times of the year, obtained from four cultures intercropped with conilon coffee, aiming to relate the released nutrients to the coffee needs. The decomposition of organic matter residues and the release of nutrients from Inga edulis, Musa spp, Gliricidia sepium, and Bactris gasipaes were evaluated in two different periods. I. edulis residues with a higher amount of polyphenols, and those of Musa spp, with a higher C/N ratio, showed slow decomposition. The decomposition rates were lower in experiments started in March and higher in August. Inga and banana have high residual values of nutrients at 270 days in the decomposition started in March.

Key words: Agroforestry system; Organic coffee; SAF synchrony; Consortium; Low

Author Biography

João Batista Silva Araújo, Instituto Capixaba de Pesquisa Assistência Técnica e Extensão Rural/Incaper, Vitória, ES, Brasil.

possui graduação em Engenharia Agronômica pela Universidade Federal de Viçosa (1984); mestrado em Agronomia / Fitotecnia pela Universidade Federal de Lavras (2004) e doutorado em Fitotecnia na Universidade Federal de Viçosa (2012). É pesquisador do Instituto Capixaba de Pesquisa Assistência Técnica e Extensão Rural, Incaper. Tem experiência em Agroecologia, atuando principalmente nos seguintes temas: agricultura orgânica, adubação orgânica, agricultura familiar, compostagem, adubação verde, biofertilizante e sistemas agroflorestais.

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Published

2021-06-18

How to Cite

ARAÚJO, J. B. S.; SILVA, M. W. da .; LIMA, W. L. de; PEREIRA, A. C. H. .; ENDRINGER, D. C. .; SOUZA, J. L. de . Decomposition and nutrients released from forest and perennial crops associated with organic coffee. Coffee Science - ISSN 1984-3909, [S. l.], v. 16, p. e161845, 2021. DOI: 10.25186/.v16i.1845. Disponível em: http://www.coffeescience.ufla.br/index.php/Coffeescience/article/view/1845. Acesso em: 30 sep. 2022.