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Registro Completo |
Biblioteca(s): |
Embrapa Agricultura Digital. |
Data corrente: |
17/03/2014 |
Data da última atualização: |
08/01/2020 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
MARIN, F. R.; THORBURN, P. J.; COSTA, L. G. da; OTTO, R. |
Afiliação: |
FÁBIO RICARDO MARIN, CNPTIA; PETER J. THORBURN, CSIRO; LEANDRO G. DA COSTA, Esalq/USP; RAFAEL OTTO, Esalq/USP. |
Título: |
Simulating long-term effects of trash management on sugarcane yield for Brazilian cropping systems. |
Ano de publicação: |
2014 |
Fonte/Imprenta: |
Sugar Tech, New Delhi, v. 16, n. 2, p. 164-173, Apr./June 2014. |
DOI: |
10.1007/s12355-013-0265-2 |
Idioma: |
Inglês |
Conteúdo: |
Abstract Historically, trash has been burnt in Brazil. Recently, increasingly crops are being harvested green with trash retailed as blanket (GCTB) due to environmental restrictions, and because of the trash use as a feedstock for bioenergy. The presence of a trash blanket affects sugarcane crops, by conservation of soil moisture and a potential to increase soil carbon (C) and nitrogen (N). To gain insights into the impacts of the burnt-to-green cane trash blanket transition, a simulation study was conducted with the AP-SIM-Sugar crop model. Simulations were conducted over 100 years for 3 locations: Piracicaba-SP, Palmas-TO, and Maceio-AL, addressing 2 research questions: (1) what is the yield impact of the transition from burnt to GCTB due to soil N, C and water changes; and (2) what is the impact of trash removal on yield in fields managed under GCTBs. Both questions were answered based on the same set of simulations. We simulated the transition to GCTB after 25 years of burnt management combining four N rates and 3 trash removal treatments [no trash removal, 50 % trash removal (50 %) and 90 % trash removal (90 %)]. Simulated sugarcane yields have potential to respond positively to trash retention, and stalk yield for 50 and 90 % treatments decreased at rates proportional to the trash removal rates for Maceio and Piracicaba. In Palmas, located in a drier region, simulations showed trash retention having a positive effect firstly due to soil water retention. In Piracicaba, simulations also illustrated the potential negative, short-term impact of trash blanketing on yields due to the N immobilization by the decomposing trash. MenosAbstract Historically, trash has been burnt in Brazil. Recently, increasingly crops are being harvested green with trash retailed as blanket (GCTB) due to environmental restrictions, and because of the trash use as a feedstock for bioenergy. The presence of a trash blanket affects sugarcane crops, by conservation of soil moisture and a potential to increase soil carbon (C) and nitrogen (N). To gain insights into the impacts of the burnt-to-green cane trash blanket transition, a simulation study was conducted with the AP-SIM-Sugar crop model. Simulations were conducted over 100 years for 3 locations: Piracicaba-SP, Palmas-TO, and Maceio-AL, addressing 2 research questions: (1) what is the yield impact of the transition from burnt to GCTB due to soil N, C and water changes; and (2) what is the impact of trash removal on yield in fields managed under GCTBs. Both questions were answered based on the same set of simulations. We simulated the transition to GCTB after 25 years of burnt management combining four N rates and 3 trash removal treatments [no trash removal, 50 % trash removal (50 %) and 90 % trash removal (90 %)]. Simulated sugarcane yields have potential to respond positively to trash retention, and stalk yield for 50 and 90 % treatments decreased at rates proportional to the trash removal rates for Maceio and Piracicaba. In Palmas, located in a drier region, simulations showed trash retention having a positive effect firstly due to soil water retention. In Piracicaba, ... Mostrar Tudo |
Palavras-Chave: |
Cana-de-açúcar; Modelagem. |
Thesagro: |
Água; Nitrogênio. |
Thesaurus Nal: |
Crop residues; Models; Nitrogen; Sugarcane; Water. |
Categoria do assunto: |
X Pesquisa, Tecnologia e Engenharia |
Marc: |
LEADER 02432naa a2200277 a 4500 001 1982538 005 2020-01-08 008 2014 bl uuuu u00u1 u #d 024 7 $a10.1007/s12355-013-0265-2$2DOI 100 1 $aMARIN, F. R. 245 $aSimulating long-term effects of trash management on sugarcane yield for Brazilian cropping systems.$h[electronic resource] 260 $c2014 520 $aAbstract Historically, trash has been burnt in Brazil. Recently, increasingly crops are being harvested green with trash retailed as blanket (GCTB) due to environmental restrictions, and because of the trash use as a feedstock for bioenergy. The presence of a trash blanket affects sugarcane crops, by conservation of soil moisture and a potential to increase soil carbon (C) and nitrogen (N). To gain insights into the impacts of the burnt-to-green cane trash blanket transition, a simulation study was conducted with the AP-SIM-Sugar crop model. Simulations were conducted over 100 years for 3 locations: Piracicaba-SP, Palmas-TO, and Maceio-AL, addressing 2 research questions: (1) what is the yield impact of the transition from burnt to GCTB due to soil N, C and water changes; and (2) what is the impact of trash removal on yield in fields managed under GCTBs. Both questions were answered based on the same set of simulations. We simulated the transition to GCTB after 25 years of burnt management combining four N rates and 3 trash removal treatments [no trash removal, 50 % trash removal (50 %) and 90 % trash removal (90 %)]. Simulated sugarcane yields have potential to respond positively to trash retention, and stalk yield for 50 and 90 % treatments decreased at rates proportional to the trash removal rates for Maceio and Piracicaba. In Palmas, located in a drier region, simulations showed trash retention having a positive effect firstly due to soil water retention. In Piracicaba, simulations also illustrated the potential negative, short-term impact of trash blanketing on yields due to the N immobilization by the decomposing trash. 650 $aCrop residues 650 $aModels 650 $aNitrogen 650 $aSugarcane 650 $aWater 650 $aÁgua 650 $aNitrogênio 653 $aCana-de-açúcar 653 $aModelagem 700 1 $aTHORBURN, P. J. 700 1 $aCOSTA, L. G. da 700 1 $aOTTO, R. 773 $tSugar Tech, New Delhi$gv. 16, n. 2, p. 164-173, Apr./June 2014.
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Embrapa Agricultura Digital (CNPTIA) |
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Biblioteca(s): |
Embrapa Solos. |
Data corrente: |
03/01/2017 |
Data da última atualização: |
10/11/2021 |
Tipo da produção científica: |
Artigo em Anais de Congresso |
Autoria: |
MONTEIRO, J. M. G.; OLIVEIRA, A. P. de; COELHO, M. R.; DONAGEMMA, G. K. |
Afiliação: |
JOYCE MARIA GUIMARAES MONTEIRO, CNPS; ALINE PACOBAHYBA DE OLIVEIRA, CNPS; MAURICIO RIZZATO COELHO, CNPS; GUILHERME KANGUSSU DONAGEMMA, CNPS. |
Título: |
Estoque de carbono do solo sob diferentes usos em áreas montanhosas do Estado do Rio de Janeiro. |
Ano de publicação: |
2016 |
Fonte/Imprenta: |
In: REUNIÃO BRASILEIRA DE MANEJO E CONSERVAÇÃO DO SOLO E DA ÁGUA, 20., 2016, Foz do Iguaçu. O solo sob ameaça: conexões necessárias ao manejo e conservação do solo e água: anais. Curitiba: SBCS; Londrina: IAPAR, 2016. p. 891-892. |
Idioma: |
Português |
Conteúdo: |
O estoque de carbono orgânico do solo foi calculado de acordo com a equação proposta por Ellert e Bettany (1995) para uma área de pousio (regeneração de 4 anos) onde será implantado o plantio direto de hortaliças, no município de Nova Friburgo e uma área de pastagem degradada onde será implantado um sistema de recuperação de pastagens, no município de Varre-Sai, ambos no estado do Rio de Janeiro. |
Palavras-Chave: |
Matéria orgânica do solo; Serviços ambientais. |
Thesagro: |
Agricultura Familiar. |
Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/152653/1/2016-098.pdf
|
Marc: |
LEADER 01202nam a2200181 a 4500 001 2059788 005 2021-11-10 008 2016 bl uuuu u00u1 u #d 100 1 $aMONTEIRO, J. M. G. 245 $aEstoque de carbono do solo sob diferentes usos em áreas montanhosas do Estado do Rio de Janeiro.$h[electronic resource] 260 $aIn: REUNIÃO BRASILEIRA DE MANEJO E CONSERVAÇÃO DO SOLO E DA ÁGUA, 20., 2016, Foz do Iguaçu. O solo sob ameaça: conexões necessárias ao manejo e conservação do solo e água: anais. Curitiba: SBCS; Londrina: IAPAR, 2016. p. 891-892.$c2016 520 $aO estoque de carbono orgânico do solo foi calculado de acordo com a equação proposta por Ellert e Bettany (1995) para uma área de pousio (regeneração de 4 anos) onde será implantado o plantio direto de hortaliças, no município de Nova Friburgo e uma área de pastagem degradada onde será implantado um sistema de recuperação de pastagens, no município de Varre-Sai, ambos no estado do Rio de Janeiro. 650 $aAgricultura Familiar 653 $aMatéria orgânica do solo 653 $aServiços ambientais 700 1 $aOLIVEIRA, A. P. de 700 1 $aCOELHO, M. R. 700 1 $aDONAGEMMA, G. K.
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