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Registro Completo |
Biblioteca(s): |
Embrapa Solos. |
Data corrente: |
13/07/2015 |
Data da última atualização: |
28/01/2016 |
Tipo da produção científica: |
Artigo em Anais de Congresso |
Autoria: |
TEIXEIRA, W. G. |
Afiliação: |
WENCESLAU GERALDES TEIXEIRA, CNPS. |
Título: |
Creation of fertile soil horizons (anthrosols) in the pre colombian times by using organic wastes. |
Ano de publicação: |
2015 |
Fonte/Imprenta: |
In: SIMPÓSIO INTERNACIONAL SOBRE GERENCIAMENTO DE RESÍDUOS AGROPECUÁRIOS E AGROINDUSTRIAIS, 4., 2015, Rio de Janeiro. Anais... Brasília, DF: Embrapa, 2015. |
Idioma: |
Inglês |
Conteúdo: |
The process of formation and evolution of distinct anthropic horizons found widespread in Brazil will be reviewed and discussed focusing in the waste management. The Amazonian Dark Earths (Terra Preta de Índio), the shell mounds (sambaquis) and ditches from human earthworks (called geoglifos) are the archeological sites reviewed in this article. The main source of P and Ca in TPI sites is believed to be from the bones. Ashes are also a key source of nutrients in antropic soils and responsible to enhance the pH. Leaves are also a important source of nutrient. TPI owes its name to the dark color originated from a large stocks of carbon and it is believed that large part is preserved because a pyrogenic origin. The use of carbonized organic waste (charcoal) as soil conditioner is now being largely studied in the world, this technology is called biochar. The sambaquis are found mainly along the Brazilian coast with have a large amount of phosphorus and carbon. The geoglifos are constructed earthworks mainly circular or rectangular. Until now is intriguing the absence of dark horizons or clearly chemical signatures typical of anthropic modifications caused by waste accumulation in or near the geoglifos. Understanding the waste management used to create these fertile anthropic soils have possibility to provide new soil management practices for soil reclamation, sustainable production, and to enhance soil carbon storage and nutrient holding capacity therefore to use marginal soils. |
Palavras-Chave: |
Antrossolo; Geoglifos; Sambaquis; Terra Preta de Índio. |
Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/126449/1/2015-016.pdf
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Marc: |
LEADER 02101nam a2200157 a 4500 001 2019670 005 2016-01-28 008 2015 bl uuuu u00u1 u #d 100 1 $aTEIXEIRA, W. G. 245 $aCreation of fertile soil horizons (anthrosols) in the pre colombian times by using organic wastes.$h[electronic resource] 260 $aIn: SIMPÓSIO INTERNACIONAL SOBRE GERENCIAMENTO DE RESÍDUOS AGROPECUÁRIOS E AGROINDUSTRIAIS, 4., 2015, Rio de Janeiro. Anais... Brasília, DF: Embrapa$c2015 520 $aThe process of formation and evolution of distinct anthropic horizons found widespread in Brazil will be reviewed and discussed focusing in the waste management. The Amazonian Dark Earths (Terra Preta de Índio), the shell mounds (sambaquis) and ditches from human earthworks (called geoglifos) are the archeological sites reviewed in this article. The main source of P and Ca in TPI sites is believed to be from the bones. Ashes are also a key source of nutrients in antropic soils and responsible to enhance the pH. Leaves are also a important source of nutrient. TPI owes its name to the dark color originated from a large stocks of carbon and it is believed that large part is preserved because a pyrogenic origin. The use of carbonized organic waste (charcoal) as soil conditioner is now being largely studied in the world, this technology is called biochar. The sambaquis are found mainly along the Brazilian coast with have a large amount of phosphorus and carbon. The geoglifos are constructed earthworks mainly circular or rectangular. Until now is intriguing the absence of dark horizons or clearly chemical signatures typical of anthropic modifications caused by waste accumulation in or near the geoglifos. Understanding the waste management used to create these fertile anthropic soils have possibility to provide new soil management practices for soil reclamation, sustainable production, and to enhance soil carbon storage and nutrient holding capacity therefore to use marginal soils. 653 $aAntrossolo 653 $aGeoglifos 653 $aSambaquis 653 $aTerra Preta de Índio
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Embrapa Solos (CNPS) |
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Registro Completo
Biblioteca(s): |
Embrapa Unidades Centrais. |
Data corrente: |
26/07/2022 |
Data da última atualização: |
29/01/2024 |
Autoria: |
MAIA JÚNIOR, S. de O.; ANDRADE, J. R. de; NASCIMENTO, R. do; LIMA, R. F. de; NASCIMENTO, E. C. S.; FERREIRA, V. M. |
Afiliação: |
SEBASTIÃO DE OLIVEIRA MAIA JÚNIOR, UNIVERSIDADE FEDERAL DE CAMPINA GRANDE; JAILMA RIBEIRO DE ANDRADE, UNIVERSIDADE FEDERAL DE CAMPINA GRANDE; RONALDO DO NASCIMENTO, UNIVERSIDADE FEDERAL DE CAMPINA GRANDE; ROBSON FELIPE DE LIMA, UNIVERSIDADE FEDERAL DE CAMPINA GRANDE; ELKA COSTA SANTOS NASCIMENTO, UNIVERSIDADE FEDERAL DE CAMPINA GRANDE; VILMA MARQUES FERREIRA, UNIVERSIDADE FEDERAL DE ALAGOAS. |
Título: |
Physiological parameters of tomato plants subjected to salinity and treated with brassinosteroid. |
Ano de publicação: |
2022 |
Fonte/Imprenta: |
Pesquisa Agropecuária Brasileira, v. 57, e01885, 2022. |
DOI: |
https://doi.org/10.1590/S1678-3921.pab2022.v57.01885 |
Idioma: |
Inglês |
Notas: |
Título em português: Parâmetros fisiológicos em plantas de tomate submetidas à salinidade e tratadas com brassinosteroide. |
Conteúdo: |
ABSTRACT - The objective of this work was to evaluate the effects of brassinosteroid on chlorophyll a fluorescence parameters, the SPAD index, and leaf succulence in young tomato (Lycopersicon esculentum) plants under salt stress. The experimental design was a randomized complete block, in a 5×2 factorial arrangement - five levels of water salinity (0.5, 1.5, 3.0, 4.5, and 6.0 dS m-¹) × two rates of 24-epibrassinolide (0 and 10-6 mol L-¹ EBL). At 23 days, the treatment without EBL showed that the increase of water salinity reduced the maximum, primary, and effective photochemical efficiency of PSII, as well as the electron transport rate, the SPAD index, leaf succulence, total dry mass, and the stress tolerance index, but increased initial fluorescence and relative excess energy in PSII. With the increase of water salinity, in the EBL treatments, there was an increase in the effective photochemical efficiency of PSII, the electron transport rate, the SPAD index, leaf succulence, total dry mass, and the stress tolerance index. EBL promotes beneficial effects on PSII integrity, the chlorophyll index, and leaf succulence in young tomato plants subjected to salinity levels of up to 6.0 dS m-¹ . RESUMO - O objetivo deste trabalho foi avaliar os efeitos de brassinosteroide sobre os parâmetros de fluorescência da clorofila a, o índice SPAD e a suculência foliar em plantas jovens de tomate (Lycopersicon esculentum) sob estresse salino. O delineamento experimental utilizado foi o em blocos ao acaso, em arranjo fatorial 5×2 - cinco níveis de salinidade da água (0,5, 1,5, 3,0, 4,5 e 6,0 dS m-¹) × duas doses de 24-epibrassinolídeo (0 e 10-6 mol L-¹ de EBL). Aos 23 dias, o tratamento sem EBL mostrou que o aumento da salinidade da água reduziu a eficiência fotoquímica máxima, primária e efetiva do PSII, assim como a taxa de transporte de elétrons, o índice SPAD, a suculência foliar, a massa de matéria seca total e o índice de tolerância ao estresse, mas aumentou a fluorescência inicial e o excesso relativo de energia no PSII. Com o aumento da salinidade, nos tratamentos com EBL, houve aumento da eficiência efetiva do PSII, da taxa de transporte de elétrons, do índice SPAD, da suculência foliar, da matéria seca total e do índice de tolerância ao estresse. O epibrassinolídeo promove efeitos benéficos sobre a integridade do PSII, o índice de clorofila e a suculência foliar em plantas jovens de tomate submetidas a níveis de até salinidade 6,0 dS m-¹. MenosABSTRACT - The objective of this work was to evaluate the effects of brassinosteroid on chlorophyll a fluorescence parameters, the SPAD index, and leaf succulence in young tomato (Lycopersicon esculentum) plants under salt stress. The experimental design was a randomized complete block, in a 5×2 factorial arrangement - five levels of water salinity (0.5, 1.5, 3.0, 4.5, and 6.0 dS m-¹) × two rates of 24-epibrassinolide (0 and 10-6 mol L-¹ EBL). At 23 days, the treatment without EBL showed that the increase of water salinity reduced the maximum, primary, and effective photochemical efficiency of PSII, as well as the electron transport rate, the SPAD index, leaf succulence, total dry mass, and the stress tolerance index, but increased initial fluorescence and relative excess energy in PSII. With the increase of water salinity, in the EBL treatments, there was an increase in the effective photochemical efficiency of PSII, the electron transport rate, the SPAD index, leaf succulence, total dry mass, and the stress tolerance index. EBL promotes beneficial effects on PSII integrity, the chlorophyll index, and leaf succulence in young tomato plants subjected to salinity levels of up to 6.0 dS m-¹ . RESUMO - O objetivo deste trabalho foi avaliar os efeitos de brassinosteroide sobre os parâmetros de fluorescência da clorofila a, o índice SPAD e a suculência foliar em plantas jovens de tomate (Lycopersicon esculentum) sob estresse salino. O delineamento experimental utilizado foi o em ... Mostrar Tudo |
Palavras-Chave: |
Brassinosteroide. |
Thesagro: |
Clorofila; Lycopersicon Esculentum; Salinidade; Tomate. |
Thesaurus NAL: |
Brassinosteroids; Photosystem II; Salinity; Salt stress; Tomatoes. |
Categoria do assunto: |
-- |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/1144930/1/Physiological-parameters-tomato-2022.pdf
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Marc: |
LEADER 03603naa a2200325 a 4500 001 2144930 005 2024-01-29 008 2022 bl uuuu u00u1 u #d 024 7 $ahttps://doi.org/10.1590/S1678-3921.pab2022.v57.01885$2DOI 100 1 $aMAIA JÚNIOR, S. de O. 245 $aPhysiological parameters of tomato plants subjected to salinity and treated with brassinosteroid.$h[electronic resource] 260 $c2022 500 $aTítulo em português: Parâmetros fisiológicos em plantas de tomate submetidas à salinidade e tratadas com brassinosteroide. 520 $aABSTRACT - The objective of this work was to evaluate the effects of brassinosteroid on chlorophyll a fluorescence parameters, the SPAD index, and leaf succulence in young tomato (Lycopersicon esculentum) plants under salt stress. The experimental design was a randomized complete block, in a 5×2 factorial arrangement - five levels of water salinity (0.5, 1.5, 3.0, 4.5, and 6.0 dS m-¹) × two rates of 24-epibrassinolide (0 and 10-6 mol L-¹ EBL). At 23 days, the treatment without EBL showed that the increase of water salinity reduced the maximum, primary, and effective photochemical efficiency of PSII, as well as the electron transport rate, the SPAD index, leaf succulence, total dry mass, and the stress tolerance index, but increased initial fluorescence and relative excess energy in PSII. With the increase of water salinity, in the EBL treatments, there was an increase in the effective photochemical efficiency of PSII, the electron transport rate, the SPAD index, leaf succulence, total dry mass, and the stress tolerance index. EBL promotes beneficial effects on PSII integrity, the chlorophyll index, and leaf succulence in young tomato plants subjected to salinity levels of up to 6.0 dS m-¹ . RESUMO - O objetivo deste trabalho foi avaliar os efeitos de brassinosteroide sobre os parâmetros de fluorescência da clorofila a, o índice SPAD e a suculência foliar em plantas jovens de tomate (Lycopersicon esculentum) sob estresse salino. O delineamento experimental utilizado foi o em blocos ao acaso, em arranjo fatorial 5×2 - cinco níveis de salinidade da água (0,5, 1,5, 3,0, 4,5 e 6,0 dS m-¹) × duas doses de 24-epibrassinolídeo (0 e 10-6 mol L-¹ de EBL). Aos 23 dias, o tratamento sem EBL mostrou que o aumento da salinidade da água reduziu a eficiência fotoquímica máxima, primária e efetiva do PSII, assim como a taxa de transporte de elétrons, o índice SPAD, a suculência foliar, a massa de matéria seca total e o índice de tolerância ao estresse, mas aumentou a fluorescência inicial e o excesso relativo de energia no PSII. Com o aumento da salinidade, nos tratamentos com EBL, houve aumento da eficiência efetiva do PSII, da taxa de transporte de elétrons, do índice SPAD, da suculência foliar, da matéria seca total e do índice de tolerância ao estresse. O epibrassinolídeo promove efeitos benéficos sobre a integridade do PSII, o índice de clorofila e a suculência foliar em plantas jovens de tomate submetidas a níveis de até salinidade 6,0 dS m-¹. 650 $aBrassinosteroids 650 $aPhotosystem II 650 $aSalinity 650 $aSalt stress 650 $aTomatoes 650 $aClorofila 650 $aLycopersicon Esculentum 650 $aSalinidade 650 $aTomate 653 $aBrassinosteroide 700 1 $aANDRADE, J. R. de 700 1 $aNASCIMENTO, R. do 700 1 $aLIMA, R. F. de 700 1 $aNASCIMENTO, E. C. S. 700 1 $aFERREIRA, V. M. 773 $tPesquisa Agropecuária Brasileira$gv. 57, e01885, 2022.
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