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Effect of tropical millipede Rhinocricus botocudus in the degradation and maturity of coffee residues

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dc.contributor.author Silva, Victor Maurício da
dc.contributor.author Passos, Renato Ribeiro
dc.contributor.author Marin, Ericka Broetto
dc.contributor.author Mendonça, Eduardo de Sá
dc.date.accessioned 2022-05-04T13:32:01Z
dc.date.available 2022-05-04T13:32:01Z
dc.date.issued 2021
dc.identifier.citation SILVA, V. M. et al. Effect of tropical millipede Rhinocricus botocudus in the degradation and maturity of coffee residues. Coffee Science, Lavras, v. 16, p. 1-12, 2021. pt_BR
dc.identifier.issn 1984-3909
dc.identifier.uri https://doi.org/10.25186/.v16i.1932 pt_BR
dc.identifier.uri http://www.sbicafe.ufv.br/handle/123456789/13525
dc.description.abstract In Brazil, approximately 3 tons of dry mass per hectare of coffee residues (CR), formed by leaves and branches <5 mm in diameter, were accumulated around the crops in the last harvests of the semi-mechanized crops. Thus, the production of substrates and organic fertilizers from the bioconversion of residues of coffee activity is an important theme in Brazil and in the world. The objective of the study was to investigate the effectiveness of the tropical millipede Rhinocricus botocudus on the degradation and maturity of coffee residues (CR). The presence or absence of R. botocudus were tested in five sampling times (0, 30, 60, 90, and 120 days) with three replicates (n = 3). The analyzed variables were: total C and N contents, lignin, cellulose, soluble C and N, soluble polyphenols, C of humic substances, and infrared analysis of humic acid (HA) and fulvic acid (FA). At the final incubation stage (120 days), the lowest values of cellulose, cellulose/lignin, and polyphenols occurred with R. botocudus. Infrared analysis of HA demonstrated that readily biode gradable structures, such as alcohols and short chain aliphatic molecules, were decomposed over time, consequently reflecting the increase of aromatic structures of greater stability. Compared to the control, these changes in HA were more evident in the presence of R. botocudus. The results of the present study suggest that this millipede species modify the dynamics of degradation and humification of CR by accelerating the maturity of this residue. pt_BR
dc.format pdf pt_BR
dc.language.iso en pt_BR
dc.publisher Editora UFLA pt_BR
dc.relation.ispartofseries Coffee Science:v.16, 2021;
dc.rights Open Access pt_BR
dc.subject Cellulose pt_BR
dc.subject Humic substances pt_BR
dc.subject Lignin pt_BR
dc.subject.classification Cafeicultura::Resíduos e subprodutos do café pt_BR
dc.title Effect of tropical millipede Rhinocricus botocudus in the degradation and maturity of coffee residues pt_BR
dc.type Artigo pt_BR

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