Litter Production and Nutrients Return of a Taxi-Branco Stand and of a Secondary Forest in Amapá
Autor(a) principal: | |
---|---|
Data de Publicação: | 2011 |
Outros Autores: | , |
Tipo de documento: | Artigo |
Idioma: | por |
Título da fonte: | Pesquisa Florestal Brasileira (Online) |
Texto Completo: | https://pfb.cnpf.embrapa.br/pfb/index.php/pfb/article/view/201 |
Resumo: | This study aimed to evaluate the total and seasonal deposition of biomass, concentration and total amount of nutrient in litter of a taxi-branco stand and of a secondary forest, both 9 years old and established in area deforested by shifting cultivation. Thirty collectors 1.5 m2 were distributed (20 at taxi-branco and ten at secondary forest). Litter was collected monthly, oven-dried and analyzed for concentrations of N, P, K, Ca and Mg. The annual deposition of litter was 9646 kg/ha in taxi-branco stand and 4474 kg/ha in secondary forest. Litter production was greater in the lower precipitation period (August to November), comprising 74% and 56% of the annual production of the taxi-branco stand and secondary forest, respectively. Taxi-branco litter had higher concentration of N, while the secondary forest had higher concentration of Ca, Mg, K and P. The annual transfer of N was greater in taxi-branco stand (117.0 kg/ha) than in secondary forest (51.4 kg/ha); Ca was greater in the secondary forest (41.3 kg/ha) than in taxi-branco (26.4 kg/ha); and Mg, K and P were similar in two areas. Soils recovery in the migrant agriculture should be more effective in taxi-branco enriched secondary forests, by the species association with different characteristics from litter production, N fixation and nutrients cycling. |
id |
EMBRAPA-5_50b84065d4bd5035a1ab205a9aea420a |
---|---|
oai_identifier_str |
oai:pfb.cnpf.embrapa.br/pfb:article/201 |
network_acronym_str |
EMBRAPA-5 |
network_name_str |
Pesquisa Florestal Brasileira (Online) |
repository_id_str |
|
spelling |
Litter Production and Nutrients Return of a Taxi-Branco Stand and of a Secondary Forest in AmapáProdução de Serapilheira e Retorno de Nutrientes de um Povoamento de Taxibranco e de uma Floresta Secundária no AmapáLiteiracapoeirarecuperação de solosAmazônia.Litterfallfallowsoil rehabilitationSclerolobium paniculatumBrazilian Amazon.This study aimed to evaluate the total and seasonal deposition of biomass, concentration and total amount of nutrient in litter of a taxi-branco stand and of a secondary forest, both 9 years old and established in area deforested by shifting cultivation. Thirty collectors 1.5 m2 were distributed (20 at taxi-branco and ten at secondary forest). Litter was collected monthly, oven-dried and analyzed for concentrations of N, P, K, Ca and Mg. The annual deposition of litter was 9646 kg/ha in taxi-branco stand and 4474 kg/ha in secondary forest. Litter production was greater in the lower precipitation period (August to November), comprising 74% and 56% of the annual production of the taxi-branco stand and secondary forest, respectively. Taxi-branco litter had higher concentration of N, while the secondary forest had higher concentration of Ca, Mg, K and P. The annual transfer of N was greater in taxi-branco stand (117.0 kg/ha) than in secondary forest (51.4 kg/ha); Ca was greater in the secondary forest (41.3 kg/ha) than in taxi-branco (26.4 kg/ha); and Mg, K and P were similar in two areas. Soils recovery in the migrant agriculture should be more effective in taxi-branco enriched secondary forests, by the species association with different characteristics from litter production, N fixation and nutrients cycling. O objetivo deste estudo foi avaliar a deposição anual e sazonal de biomassa e a concentração e aporte de nutrientes na serapilheira de um povoamento de taxibranco (Sclerolobium aniculatum ogel) e de uma floresta secundária, amboscom nove anos de idade e estabelecidos em área degradada pela agricultura migratória. Foram distribuídos 30 coletores de 1,5 m2 (20 no plantio de taxibranco e dez na floresta secundária) e realizadas coletas mensais da serapilheira. O material recolhido foi seco em estufa e analisado quanto aos teores de N, P, K, Ca e Mg. A deposição anual de serapilheira foi de 9.646 kg/ha no taxi-branco e de 4.474 kg/ha na floresta secundária. A produção de serapilheira foi maior no período de menor precipitação (agosto a novembro), representando 74% e 56% de toda a serapilheira produzida durante o ano, respectivamente para o taxibranco e a floresta secundária. O teor médio de N foi maior na serapilheira do taxi-branco, enquanto que a concentração média de Ca, Mg, K e P foi maior na floresta secundária. O aporte anual de N foi maior no povoamento de taxi-branco (117,0 kg/ha) que na floresta secundária (51,4 kg/ha); Ca foi maior na floresta secundária (41,3 kg/ha) que no taxi-branco (26,4 kg/ha); e Mg, K e P foram similares nas duas áreas. A recuperação de solos utilizados pela agricultura migratória deverá ser mais eficaz em florestas secundárias enriquecidas com taxibranco, por associar espécies com características diferenciadas de deposição de serapilheira, fixação de N e ciclagem de nutrientes. Embrapa Florestas2011-03-08info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://pfb.cnpf.embrapa.br/pfb/index.php/pfb/article/view/201Pesquisa Florestal Brasileira; n. 52 (2006): jan./jun.; 3Pesquisa Florestal Brasileira; No. 52 (2006): jan./jun.; 31983-26051809-3647reponame:Pesquisa Florestal Brasileira (Online)instname:Empresa Brasileira de Pesquisa Agropecuária (Embrapa)instacron:EMBRAPAporhttps://pfb.cnpf.embrapa.br/pfb/index.php/pfb/article/view/201/162Mochiutti, SilasQueiroz, José Antonio Leite deMelém Junior, Nagib Jorgeinfo:eu-repo/semantics/openAccess2021-03-19T21:48:10Zoai:pfb.cnpf.embrapa.br/pfb:article/201Revistahttps://pfb.cnpf.embrapa.br/pfb/index.php/pfb/PUBhttps://pfb.cnpf.embrapa.br/pfb/index.php/pfb/oaipfb@embrapa.br || revista.pfb@gmail.com || patricia.mattos@embrapa.br1983-26051809-3647opendoar:2021-03-19T21:48:10Pesquisa Florestal Brasileira (Online) - Empresa Brasileira de Pesquisa Agropecuária (Embrapa)false |
dc.title.none.fl_str_mv |
Litter Production and Nutrients Return of a Taxi-Branco Stand and of a Secondary Forest in Amapá Produção de Serapilheira e Retorno de Nutrientes de um Povoamento de Taxibranco e de uma Floresta Secundária no Amapá |
title |
Litter Production and Nutrients Return of a Taxi-Branco Stand and of a Secondary Forest in Amapá |
spellingShingle |
Litter Production and Nutrients Return of a Taxi-Branco Stand and of a Secondary Forest in Amapá Mochiutti, Silas Liteira capoeira recuperação de solos Amazônia. Litterfall fallow soil rehabilitation Sclerolobium paniculatum Brazilian Amazon. |
title_short |
Litter Production and Nutrients Return of a Taxi-Branco Stand and of a Secondary Forest in Amapá |
title_full |
Litter Production and Nutrients Return of a Taxi-Branco Stand and of a Secondary Forest in Amapá |
title_fullStr |
Litter Production and Nutrients Return of a Taxi-Branco Stand and of a Secondary Forest in Amapá |
title_full_unstemmed |
Litter Production and Nutrients Return of a Taxi-Branco Stand and of a Secondary Forest in Amapá |
title_sort |
Litter Production and Nutrients Return of a Taxi-Branco Stand and of a Secondary Forest in Amapá |
author |
Mochiutti, Silas |
author_facet |
Mochiutti, Silas Queiroz, José Antonio Leite de Melém Junior, Nagib Jorge |
author_role |
author |
author2 |
Queiroz, José Antonio Leite de Melém Junior, Nagib Jorge |
author2_role |
author author |
dc.contributor.author.fl_str_mv |
Mochiutti, Silas Queiroz, José Antonio Leite de Melém Junior, Nagib Jorge |
dc.subject.por.fl_str_mv |
Liteira capoeira recuperação de solos Amazônia. Litterfall fallow soil rehabilitation Sclerolobium paniculatum Brazilian Amazon. |
topic |
Liteira capoeira recuperação de solos Amazônia. Litterfall fallow soil rehabilitation Sclerolobium paniculatum Brazilian Amazon. |
description |
This study aimed to evaluate the total and seasonal deposition of biomass, concentration and total amount of nutrient in litter of a taxi-branco stand and of a secondary forest, both 9 years old and established in area deforested by shifting cultivation. Thirty collectors 1.5 m2 were distributed (20 at taxi-branco and ten at secondary forest). Litter was collected monthly, oven-dried and analyzed for concentrations of N, P, K, Ca and Mg. The annual deposition of litter was 9646 kg/ha in taxi-branco stand and 4474 kg/ha in secondary forest. Litter production was greater in the lower precipitation period (August to November), comprising 74% and 56% of the annual production of the taxi-branco stand and secondary forest, respectively. Taxi-branco litter had higher concentration of N, while the secondary forest had higher concentration of Ca, Mg, K and P. The annual transfer of N was greater in taxi-branco stand (117.0 kg/ha) than in secondary forest (51.4 kg/ha); Ca was greater in the secondary forest (41.3 kg/ha) than in taxi-branco (26.4 kg/ha); and Mg, K and P were similar in two areas. Soils recovery in the migrant agriculture should be more effective in taxi-branco enriched secondary forests, by the species association with different characteristics from litter production, N fixation and nutrients cycling. |
publishDate |
2011 |
dc.date.none.fl_str_mv |
2011-03-08 |
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://pfb.cnpf.embrapa.br/pfb/index.php/pfb/article/view/201 |
url |
https://pfb.cnpf.embrapa.br/pfb/index.php/pfb/article/view/201 |
dc.language.iso.fl_str_mv |
por |
language |
por |
dc.relation.none.fl_str_mv |
https://pfb.cnpf.embrapa.br/pfb/index.php/pfb/article/view/201/162 |
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 |
Embrapa Florestas |
publisher.none.fl_str_mv |
Embrapa Florestas |
dc.source.none.fl_str_mv |
Pesquisa Florestal Brasileira; n. 52 (2006): jan./jun.; 3 Pesquisa Florestal Brasileira; No. 52 (2006): jan./jun.; 3 1983-2605 1809-3647 reponame:Pesquisa Florestal 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 Florestal Brasileira (Online) |
collection |
Pesquisa Florestal Brasileira (Online) |
repository.name.fl_str_mv |
Pesquisa Florestal Brasileira (Online) - Empresa Brasileira de Pesquisa Agropecuária (Embrapa) |
repository.mail.fl_str_mv |
pfb@embrapa.br || revista.pfb@gmail.com || patricia.mattos@embrapa.br |
_version_ |
1783370932604108800 |