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Biblioteca(s): |
Embrapa Uva e Vinho. |
Data corrente: |
20/08/2009 |
Data da última atualização: |
17/09/2019 |
Autoria: |
LAL, R. |
Título: |
Sequestering atmospheric carbon dioxide. |
Ano de publicação: |
2009 |
Fonte/Imprenta: |
Critical Review in Plant Science, Philadelphia, v. 28, n. 3, p. 90-96, 2009. |
Volume: |
28 |
Páginas: |
90-96 |
Idioma: |
Inglês |
Conteúdo: |
The abrupt climate change, attributed to increase in atmospheric concentration of CO2 and other greenhouse gases, has necessitated identification of technological options to sequester CO2 into other long-lived pools. Other viable pools for C sequestration include geologic, oceanic, and the terrestrial. There is also a potential to convert CO2 into stable minerals. There are geoengineering techniques of CO2 capture and storage into old oil wells to enhance oil recovery (EOR) and access coalbed methane (CBM), store in saline aquifers and sedimentary rocks, and combine it with basalt where it goes through chemical transformations. Geoengineering techniques have relatively high sink capacity and also high costs. Further, geoengineering techniques require measurement, monitoring, and verification (MMV) protocols. In contrast, C sequestration in terrestrial ecosystems (soil and biota) is based on the natural process of photosynthesis, and humification of biosolids applied to the soil. Terrestrial pools have relatively lower sink capacity, but are cost-effective and have numerous ancillary benefits. Total CO2 drawdown is estimated at reduction in 50 ppm of atmospheric concentration over 5 decades. Increasing C pool in agricultural soils is essential to advancing food security, and that in degraded/desertified soils to improve the environment. Rather than either/or scenarios, both strategies of C sequestration via geoengineering and terrestrial strategies have specific niches which need to be carefully and objectively identified and implemented. The terrestrial C sequestration is a win-win strategy because of its numerous benefits, especially its positive impact on food security while mitigating climate change and improving the environment. MenosThe abrupt climate change, attributed to increase in atmospheric concentration of CO2 and other greenhouse gases, has necessitated identification of technological options to sequester CO2 into other long-lived pools. Other viable pools for C sequestration include geologic, oceanic, and the terrestrial. There is also a potential to convert CO2 into stable minerals. There are geoengineering techniques of CO2 capture and storage into old oil wells to enhance oil recovery (EOR) and access coalbed methane (CBM), store in saline aquifers and sedimentary rocks, and combine it with basalt where it goes through chemical transformations. Geoengineering techniques have relatively high sink capacity and also high costs. Further, geoengineering techniques require measurement, monitoring, and verification (MMV) protocols. In contrast, C sequestration in terrestrial ecosystems (soil and biota) is based on the natural process of photosynthesis, and humification of biosolids applied to the soil. Terrestrial pools have relatively lower sink capacity, but are cost-effective and have numerous ancillary benefits. Total CO2 drawdown is estimated at reduction in 50 ppm of atmospheric concentration over 5 decades. Increasing C pool in agricultural soils is essential to advancing food security, and that in degraded/desertified soils to improve the environment. Rather than either/or scenarios, both strategies of C sequestration via geoengineering and terrestrial strategies have specific niches which ... Mostrar Tudo |
Palavras-Chave: |
Aquecimento global; Sequestro geológico; Sequestro oceânico; Sequestro terrestre. |
Thesagro: |
Carbono; Estufa; Gás; Planta; Solo. |
Categoria do assunto: |
-- |
Marc: |
LEADER 02419naa a2200253 a 4500 001 1544110 005 2019-09-17 008 2009 bl uuuu u00u1 u #d 100 1 $aLAL, R. 245 $aSequestering atmospheric carbon dioxide.$h[electronic resource] 260 $c2009 300 $a90-96 28 490 $v28 520 $aThe abrupt climate change, attributed to increase in atmospheric concentration of CO2 and other greenhouse gases, has necessitated identification of technological options to sequester CO2 into other long-lived pools. Other viable pools for C sequestration include geologic, oceanic, and the terrestrial. There is also a potential to convert CO2 into stable minerals. There are geoengineering techniques of CO2 capture and storage into old oil wells to enhance oil recovery (EOR) and access coalbed methane (CBM), store in saline aquifers and sedimentary rocks, and combine it with basalt where it goes through chemical transformations. Geoengineering techniques have relatively high sink capacity and also high costs. Further, geoengineering techniques require measurement, monitoring, and verification (MMV) protocols. In contrast, C sequestration in terrestrial ecosystems (soil and biota) is based on the natural process of photosynthesis, and humification of biosolids applied to the soil. Terrestrial pools have relatively lower sink capacity, but are cost-effective and have numerous ancillary benefits. Total CO2 drawdown is estimated at reduction in 50 ppm of atmospheric concentration over 5 decades. Increasing C pool in agricultural soils is essential to advancing food security, and that in degraded/desertified soils to improve the environment. Rather than either/or scenarios, both strategies of C sequestration via geoengineering and terrestrial strategies have specific niches which need to be carefully and objectively identified and implemented. The terrestrial C sequestration is a win-win strategy because of its numerous benefits, especially its positive impact on food security while mitigating climate change and improving the environment. 650 $aCarbono 650 $aEstufa 650 $aGás 650 $aPlanta 650 $aSolo 653 $aAquecimento global 653 $aSequestro geológico 653 $aSequestro oceânico 653 $aSequestro terrestre 773 $tCritical Review in Plant Science, Philadelphia$gv. 28, n. 3, p. 90-96, 2009.
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Embrapa Uva e Vinho (CNPUV) |
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Biblioteca(s): |
Embrapa Rondônia. |
Data corrente: |
06/04/2022 |
Data da última atualização: |
06/04/2022 |
Tipo da produção científica: |
Circular Técnica |
Autoria: |
CARARO, D. C.; ESPINDULA, M. C.; PAYE, H. de S. |
Afiliação: |
DENIS CESAR CARARO, CPAF-RO; MARCELO CURITIBA ESPINDULA, CPAF-RO. |
Título: |
Manual para recomendação de NPK via fertirrigação para café Robusta em fase de produção na Amazônia. |
Ano de publicação: |
2022 |
Fonte/Imprenta: |
Porto Velho, RO: Embrapa Rondônia, 2022. |
Páginas: |
23 p. |
Série: |
(Embrapa Rondônia. Circular Técnica, 152). |
Idioma: |
Português |
Conteúdo: |
A fertirrigação é uma técnica utilizada para aplicar nutrientes via água de irrigação em concentrações definidas de acordo com a demanda fenológica da cultura. Isto é feito por meio da injeção de fertilizantes diretamente na rede hidráulica do sistema de irrigação, usualmente, do sistema de irrigação por gotejamento. Por isso, o projeto, o manejo e a manutenção regular do sistema devem ser adequados de modo a permitir elevada eficiência de distribuição dos fertilizantes. |
Palavras-Chave: |
Fertilização. |
Thesagro: |
Cafeicultura; Desenvolvimento Sustentável; Fertirrigação; Irrigação; Irrigação por Gotejamento. |
Categoria do assunto: |
-- |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/1141907/1/CT-152-Final.pdf
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Marc: |
LEADER 01228nam a2200229 a 4500 001 2141907 005 2022-04-06 008 2022 bl uuuu u0uu1 u #d 100 1 $aCARARO, D. C. 245 $aManual para recomendação de NPK via fertirrigação para café Robusta em fase de produção na Amazônia.$h[electronic resource] 260 $aPorto Velho, RO: Embrapa Rondônia$c2022 300 $a23 p. 490 $a(Embrapa Rondônia. Circular Técnica, 152). 520 $aA fertirrigação é uma técnica utilizada para aplicar nutrientes via água de irrigação em concentrações definidas de acordo com a demanda fenológica da cultura. Isto é feito por meio da injeção de fertilizantes diretamente na rede hidráulica do sistema de irrigação, usualmente, do sistema de irrigação por gotejamento. Por isso, o projeto, o manejo e a manutenção regular do sistema devem ser adequados de modo a permitir elevada eficiência de distribuição dos fertilizantes. 650 $aCafeicultura 650 $aDesenvolvimento Sustentável 650 $aFertirrigação 650 $aIrrigação 650 $aIrrigação por Gotejamento 653 $aFertilização 700 1 $aESPINDULA, M. C. 700 1 $aPAYE, H. de S.
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