Field decomposition and release of sugar cane trash nutrients

Detalhes bibliográficos
Autor(a) principal: Oliveira, Mauro Wganer de
Data de Publicação: 1999
Outros Autores: Trivelin, Paulo Cesar Ocheuze, Penatti, Claudimir Pedro, Piccolo, Marisa de Cássia
Tipo de documento: Artigo
Idioma: por
Título da fonte: Pesquisa Agropecuária Brasileira (Online)
Texto Completo: https://seer.sct.embrapa.br/index.php/pab/article/view/5558
Resumo: A field decomposition and release of nutrients from trash of sugar cane mechanically harvested and without previous detrashing through burning was evaluated. During the experimental period - August 1996 through August 1997 - rainfall was 1,733 mm and mean maximum and minimum temperatures were 28.0 and 18.0oC, respectively. After one year the mass of trash remained on field decreased of approximately 20%, mostly derived from the decarboxylation of the cell content and hemicelulose. Among all structural carbohydrates only the hemicelulose decomposed. The percentage of K, Ca and Mg released in relation to the total nutrient content in original trash was 85, 44 and 39%, respectively. The N mineralization of the trash was not significant (18%) thus resulting in a negligible statistical difference among the N contents in original and remaining trash.
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spelling Field decomposition and release of sugar cane trash nutrientsDecomposição e liberação de nutrientes da palhada de cana-de-açúcar em campoA field decomposition and release of nutrients from trash of sugar cane mechanically harvested and without previous detrashing through burning was evaluated. During the experimental period - August 1996 through August 1997 - rainfall was 1,733 mm and mean maximum and minimum temperatures were 28.0 and 18.0oC, respectively. After one year the mass of trash remained on field decreased of approximately 20%, mostly derived from the decarboxylation of the cell content and hemicelulose. Among all structural carbohydrates only the hemicelulose decomposed. The percentage of K, Ca and Mg released in relation to the total nutrient content in original trash was 85, 44 and 39%, respectively. The N mineralization of the trash was not significant (18%) thus resulting in a negligible statistical difference among the N contents in original and remaining trash.Avaliou-se a decomposição e liberação de nutrientes da palhada de cana-de-açúcar colhida mecanicamente sem prévia despalha a fogo. A palhada foi amostrada logo após a colheita da cana, em agosto de 1996, e antes da colheita seguinte, realizada em agosto de 1997. Após um ano de permanência da palhada no campo, verificou-se uma redução de massa de aproximadamente 20%, originária, em sua maior parte, do conteúdo celular e da hemicelulose. Dos carboidratos estruturais, somente a hemicelulose apresentou decomposição. A porcentagem de liberação dos nutrientes K, Ca e Mg, em relação ao total contido na palhada foi de 85, 44 e 39%, respectivamente. A mineralização do N da palhada foi pouco expressiva (18%), o que resultou em diferença estatisticamente não-significativa entre os conteúdos de N da palhada recém colhida e da remanescente.Pesquisa Agropecuaria BrasileiraPesquisa Agropecuária BrasileiraOliveira, Mauro Wganer deTrivelin, Paulo Cesar OcheuzePenatti, Claudimir PedroPiccolo, Marisa de Cássia1999-12-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://seer.sct.embrapa.br/index.php/pab/article/view/5558Pesquisa Agropecuaria Brasileira; v.34, n.12, dez. 1999; 2359-2362Pesquisa Agropecuária Brasileira; v.34, n.12, dez. 1999; 2359-23621678-39210100-104xreponame:Pesquisa Agropecuária Brasileira (Online)instname:Empresa Brasileira de Pesquisa Agropecuária (Embrapa)instacron:EMBRAPAporhttps://seer.sct.embrapa.br/index.php/pab/article/view/5558/2749info:eu-repo/semantics/openAccess2010-06-29T18:53:39Zoai:ojs.seer.sct.embrapa.br:article/5558Revistahttp://seer.sct.embrapa.br/index.php/pabPRIhttps://old.scielo.br/oai/scielo-oai.phppab@sct.embrapa.br || sct.pab@embrapa.br1678-39210100-204Xopendoar:2010-06-29T18:53:39Pesquisa Agropecuária Brasileira (Online) - Empresa Brasileira de Pesquisa Agropecuária (Embrapa)false
dc.title.none.fl_str_mv Field decomposition and release of sugar cane trash nutrients
Decomposição e liberação de nutrientes da palhada de cana-de-açúcar em campo
title Field decomposition and release of sugar cane trash nutrients
spellingShingle Field decomposition and release of sugar cane trash nutrients
Oliveira, Mauro Wganer de
title_short Field decomposition and release of sugar cane trash nutrients
title_full Field decomposition and release of sugar cane trash nutrients
title_fullStr Field decomposition and release of sugar cane trash nutrients
title_full_unstemmed Field decomposition and release of sugar cane trash nutrients
title_sort Field decomposition and release of sugar cane trash nutrients
author Oliveira, Mauro Wganer de
author_facet Oliveira, Mauro Wganer de
Trivelin, Paulo Cesar Ocheuze
Penatti, Claudimir Pedro
Piccolo, Marisa de Cássia
author_role author
author2 Trivelin, Paulo Cesar Ocheuze
Penatti, Claudimir Pedro
Piccolo, Marisa de Cássia
author2_role author
author
author
dc.contributor.none.fl_str_mv

dc.contributor.author.fl_str_mv Oliveira, Mauro Wganer de
Trivelin, Paulo Cesar Ocheuze
Penatti, Claudimir Pedro
Piccolo, Marisa de Cássia
dc.subject.none.fl_str_mv

description A field decomposition and release of nutrients from trash of sugar cane mechanically harvested and without previous detrashing through burning was evaluated. During the experimental period - August 1996 through August 1997 - rainfall was 1,733 mm and mean maximum and minimum temperatures were 28.0 and 18.0oC, respectively. After one year the mass of trash remained on field decreased of approximately 20%, mostly derived from the decarboxylation of the cell content and hemicelulose. Among all structural carbohydrates only the hemicelulose decomposed. The percentage of K, Ca and Mg released in relation to the total nutrient content in original trash was 85, 44 and 39%, respectively. The N mineralization of the trash was not significant (18%) thus resulting in a negligible statistical difference among the N contents in original and remaining trash.
publishDate 1999
dc.date.none.fl_str_mv 1999-12-01
dc.type.none.fl_str_mv
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv https://seer.sct.embrapa.br/index.php/pab/article/view/5558
url https://seer.sct.embrapa.br/index.php/pab/article/view/5558
dc.language.iso.fl_str_mv por
language por
dc.relation.none.fl_str_mv https://seer.sct.embrapa.br/index.php/pab/article/view/5558/2749
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Pesquisa Agropecuaria Brasileira
Pesquisa Agropecuária Brasileira
publisher.none.fl_str_mv Pesquisa Agropecuaria Brasileira
Pesquisa Agropecuária Brasileira
dc.source.none.fl_str_mv Pesquisa Agropecuaria Brasileira; v.34, n.12, dez. 1999; 2359-2362
Pesquisa Agropecuária Brasileira; v.34, n.12, dez. 1999; 2359-2362
1678-3921
0100-104x
reponame:Pesquisa Agropecuária Brasileira (Online)
instname:Empresa Brasileira de Pesquisa Agropecuária (Embrapa)
instacron:EMBRAPA
instname_str Empresa Brasileira de Pesquisa Agropecuária (Embrapa)
instacron_str EMBRAPA
institution EMBRAPA
reponame_str Pesquisa Agropecuária Brasileira (Online)
collection Pesquisa Agropecuária Brasileira (Online)
repository.name.fl_str_mv Pesquisa Agropecuária Brasileira (Online) - Empresa Brasileira de Pesquisa Agropecuária (Embrapa)
repository.mail.fl_str_mv pab@sct.embrapa.br || sct.pab@embrapa.br
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