Aspectos do metabolismo de plantas de crambe (Crambe abyssinica) submetidas a diferentes doses de nitrog?nio visando a produ??o de ?leo para biodiesel
Autor(a) principal: | |
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Data de Publicação: | 2009 |
Tipo de documento: | Dissertação |
Idioma: | por |
Título da fonte: | Biblioteca Digital de Teses e Dissertações da UFRRJ |
Texto Completo: | https://tede.ufrrj.br/jspui/handle/tede/27 |
Resumo: | The crisis and projections around the petroleum business, lead a growning necessity to the development of alternatives energy sources. In this context, biofuel are characterized as a major alternative energy source and, between the countries with great potencial for its production, Brasil plays a role due to its possibilities in agroenergy. This is explained by the big availability of workforce and cultivation area, besides, its high vegetal diversity. However, the agroenergy development can leads some deviation of food production, since the principal cultures used for this, are soybean, corn, sugarcane, sunflower and oilseed rape. In this way, the development of the potential of cultures that are not employed for food industry is very important. Crambe (Crambe abyssinica) shows a high potential for the biodiesel industry, due to its precocity (can be harvested around 90 days), elevated productivity (1000 and 1500 kg/ha), low production cost, and a percentage of total oil around 26 and 38%. Moreover, crambe is toxic for human feeding and therefore, do not compete directaly with the food industry. On the other hand, though this culture shows a great potential, there is a few informations about its production, whereas do not exist a cultivation guideline established. In this way, researches that aim enhance its production with lower costs and so the environmental impacts, are immensely relevants. The aim of this work, was to evaluate the outcome of distincts nitrogen doses on vegetal metabolism, because of, the already known, influence of this nutrient in cultures productivity and for represent a significative portion in costs involved in agricultural production. Thereby, crambe were cultivated in nutritive solution with differents nitrogen doses (T1= 1, T2= 2,5, T3= 5 and T4= 7,5 mM of N-NO3 -) in greenhouse. Each treatment was compound of 3 repetitions and during the experiment were done 2 harvests, the first one in the beginning of the flowering and the other one, in the end of the seed production (68 and 103 days after germination, respectively). The experimental design used was completely randomized desing fatorial arrangement 4 x 2 (Tre x Har). Among the obtained results, is interesting to emphasize, that there was not significative influence of the differents nitrogen doses on the seed production. Further, the treatment with the lower nitrogen dose (T1= 1mM of N-NO3 -) was efficient, since it enabled the obtainment of a high oil yield, comparing with the others treatments. Thereby, the results obtained in hydroponic culture indicates availability in the use of this dose for crambe cultivation, since it represents a improvement for its cultivation and decrease the costs and envirommental impacts. |
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Souza, Sonia Regina de003.927.487-03http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4784228Z9Castro, Rosane Nora958.067.337-34http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4780190P8100.380.957-00http://lattes.cnpq.br/0692112420159444Brito, Diego de Mello Conde de2016-04-26T13:52:04Z2009-09-082009-05-29BRITO, Diego de Mello Conde de. Aspectos do metabolismo de plantas de crambe (Crambe abyssinica) submetidas a diferentes doses de nitrog?nio visando a produ??o de ?leo para biodiesel. 2009. 65 f. Disserta??o (Mestrado em Qu?mica Org?nica) - Instituto de Ci?ncias Exatas, Universidade Federal Rural do Rio de Janeiro, Serop?dica - RJ, 2009.https://tede.ufrrj.br/jspui/handle/tede/27The crisis and projections around the petroleum business, lead a growning necessity to the development of alternatives energy sources. In this context, biofuel are characterized as a major alternative energy source and, between the countries with great potencial for its production, Brasil plays a role due to its possibilities in agroenergy. This is explained by the big availability of workforce and cultivation area, besides, its high vegetal diversity. However, the agroenergy development can leads some deviation of food production, since the principal cultures used for this, are soybean, corn, sugarcane, sunflower and oilseed rape. In this way, the development of the potential of cultures that are not employed for food industry is very important. Crambe (Crambe abyssinica) shows a high potential for the biodiesel industry, due to its precocity (can be harvested around 90 days), elevated productivity (1000 and 1500 kg/ha), low production cost, and a percentage of total oil around 26 and 38%. Moreover, crambe is toxic for human feeding and therefore, do not compete directaly with the food industry. On the other hand, though this culture shows a great potential, there is a few informations about its production, whereas do not exist a cultivation guideline established. In this way, researches that aim enhance its production with lower costs and so the environmental impacts, are immensely relevants. The aim of this work, was to evaluate the outcome of distincts nitrogen doses on vegetal metabolism, because of, the already known, influence of this nutrient in cultures productivity and for represent a significative portion in costs involved in agricultural production. Thereby, crambe were cultivated in nutritive solution with differents nitrogen doses (T1= 1, T2= 2,5, T3= 5 and T4= 7,5 mM of N-NO3 -) in greenhouse. Each treatment was compound of 3 repetitions and during the experiment were done 2 harvests, the first one in the beginning of the flowering and the other one, in the end of the seed production (68 and 103 days after germination, respectively). The experimental design used was completely randomized desing fatorial arrangement 4 x 2 (Tre x Har). Among the obtained results, is interesting to emphasize, that there was not significative influence of the differents nitrogen doses on the seed production. Further, the treatment with the lower nitrogen dose (T1= 1mM of N-NO3 -) was efficient, since it enabled the obtainment of a high oil yield, comparing with the others treatments. Thereby, the results obtained in hydroponic culture indicates availability in the use of this dose for crambe cultivation, since it represents a improvement for its cultivation and decrease the costs and envirommental impacts.As crises e as proje??es em torno do mercado do petr?leo apontam para a necessidade crescente do desenvolvimento de fontes alternativas de energia. Nesse contexto, os biocombust?veis s?o caracterizados como a principal fonte alternativa de energia e, dentre os pa?ses com o maior potencial para sua produ??o, o Brasil destaca-se devido suas possibilidades na agroenergia. Isso se justifica pela grande disponibilidade de m?o de obra e ?rea para cultivo e, al?m disso, pela alta diversidade vegetal que o pa?s apresenta. Entretanto, o desenvolvimento da agroenergia, pode acarretar o desvio de parte da produ??o de alimentos, j? que as principais culturas utilizadas para esse fim s?o a soja, o milho, a cana-de-a??car, o girassol e a canola. Assim, torna-se extremamente importante, o desenvolvimento do potencial de culturas que n?o tenham emprego na ind?stria de alimentos. O crambe (Crambe abyssinica) apresenta um alto potencial para a ind?stria de biodiesel devido a sua precocidade (pode ser colhido por volta dos 90 dias), a alta produtividade (1000 e 1500 kg/ha), o baixo custo de produ??o, e um percentual de ?leo total na semente que fica entre 26 e 38%. Al?m disso, deve-se ressaltar que o crambe ? t?xico para a alimenta??o humana e, portanto, n?o compete diretamente com a produ??o de alimentos. Por outro lado, embora a cultura apresente um grande potencial, ainda est?o dispon?veis poucas informa??es sobre sua produ??o, j? que n?o existe um manual de cultivo estabelecido. Dessa forma, tornam-se vi?veis pesquisas que tenham o objetivo de otimizar sua produ??o com o m?nimo de custos e impactos ao ambiente. O objetivo desse trabalho foi avaliar o efeito de diferentes doses de nitrog?nio sobre o metabolismo vegetal, por causa da reconhecida influ?ncia desse nutriente na produtividade das culturas e por representar uma parcela significativa dos gastos envolvidos na produ??o agr?cola. Assim, plantas de crambe foram cultivadas em solu??o nutritiva com diferentes doses de nitrog?nio (T1= 1, T2= 2,5, T3= 5 e T4= 7,5 mM de N-NO3 -) em casa de vegeta??o. Cada tratamento foi composto por 3 repeti??es e, ao longo do experimento, foram realizadas 2 coletas, sendo a primeira no in?cio da flora??o e a segunda no fim da produ??o de sementes (aos 68 e 103 dias ap?s a germina??o, respectivamente). O delineamento experimental utilizado foi o inteiramente casualizado em esquema fatorial 4 x 2 (Trat x Col). Dentre os resultados obtidos, ? poss?vel destacar que n?o houve influ?ncia significativa das diferentes doses de nitrog?nio na produ??o de gr?os. Al?m disso, o tratamento com a menor dose de nitrog?nio (T1= 1 mM de N-NO3 -) se mostrou eficiente, j? que possibilitou a obten??o de um alto rendimento de ?leo frente aos demais tratamentos. Assim, os resultados obtidos, em hidroponia, apontam para a viabilidade da utiliza??o dessa dose para o cultivo de crambe, j? que representa um meio para a otimiza??o da produ??o juntamente com uma diminui??o dos custos e impactos ao ambiente.Made available in DSpace on 2016-04-26T13:52:04Z (GMT). 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dc.title.por.fl_str_mv |
Aspectos do metabolismo de plantas de crambe (Crambe abyssinica) submetidas a diferentes doses de nitrog?nio visando a produ??o de ?leo para biodiesel |
dc.title.alternative.eng.fl_str_mv |
Aspects of crambe (Crambe abyssinica) metabolism under different nitrogen doses aiming the oil production for biodiesel |
title |
Aspectos do metabolismo de plantas de crambe (Crambe abyssinica) submetidas a diferentes doses de nitrog?nio visando a produ??o de ?leo para biodiesel |
spellingShingle |
Aspectos do metabolismo de plantas de crambe (Crambe abyssinica) submetidas a diferentes doses de nitrog?nio visando a produ??o de ?leo para biodiesel Brito, Diego de Mello Conde de biocombust?veis cultivo hidrop?nico ?cidos graxos biofuels hydroponic culture fatty acids. Qu?mica |
title_short |
Aspectos do metabolismo de plantas de crambe (Crambe abyssinica) submetidas a diferentes doses de nitrog?nio visando a produ??o de ?leo para biodiesel |
title_full |
Aspectos do metabolismo de plantas de crambe (Crambe abyssinica) submetidas a diferentes doses de nitrog?nio visando a produ??o de ?leo para biodiesel |
title_fullStr |
Aspectos do metabolismo de plantas de crambe (Crambe abyssinica) submetidas a diferentes doses de nitrog?nio visando a produ??o de ?leo para biodiesel |
title_full_unstemmed |
Aspectos do metabolismo de plantas de crambe (Crambe abyssinica) submetidas a diferentes doses de nitrog?nio visando a produ??o de ?leo para biodiesel |
title_sort |
Aspectos do metabolismo de plantas de crambe (Crambe abyssinica) submetidas a diferentes doses de nitrog?nio visando a produ??o de ?leo para biodiesel |
author |
Brito, Diego de Mello Conde de |
author_facet |
Brito, Diego de Mello Conde de |
author_role |
author |
dc.contributor.advisor1.fl_str_mv |
Souza, Sonia Regina de |
dc.contributor.advisor1ID.fl_str_mv |
003.927.487-03 |
dc.contributor.advisor1Lattes.fl_str_mv |
http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4784228Z9 |
dc.contributor.advisor-co1.fl_str_mv |
Castro, Rosane Nora |
dc.contributor.advisor-co1ID.fl_str_mv |
958.067.337-34 |
dc.contributor.advisor-co1Lattes.fl_str_mv |
http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4780190P8 |
dc.contributor.authorID.fl_str_mv |
100.380.957-00 |
dc.contributor.authorLattes.fl_str_mv |
http://lattes.cnpq.br/0692112420159444 |
dc.contributor.author.fl_str_mv |
Brito, Diego de Mello Conde de |
contributor_str_mv |
Souza, Sonia Regina de Castro, Rosane Nora |
dc.subject.por.fl_str_mv |
biocombust?veis cultivo hidrop?nico ?cidos graxos |
topic |
biocombust?veis cultivo hidrop?nico ?cidos graxos biofuels hydroponic culture fatty acids. Qu?mica |
dc.subject.eng.fl_str_mv |
biofuels hydroponic culture fatty acids. |
dc.subject.cnpq.fl_str_mv |
Qu?mica |
description |
The crisis and projections around the petroleum business, lead a growning necessity to the development of alternatives energy sources. In this context, biofuel are characterized as a major alternative energy source and, between the countries with great potencial for its production, Brasil plays a role due to its possibilities in agroenergy. This is explained by the big availability of workforce and cultivation area, besides, its high vegetal diversity. However, the agroenergy development can leads some deviation of food production, since the principal cultures used for this, are soybean, corn, sugarcane, sunflower and oilseed rape. In this way, the development of the potential of cultures that are not employed for food industry is very important. Crambe (Crambe abyssinica) shows a high potential for the biodiesel industry, due to its precocity (can be harvested around 90 days), elevated productivity (1000 and 1500 kg/ha), low production cost, and a percentage of total oil around 26 and 38%. Moreover, crambe is toxic for human feeding and therefore, do not compete directaly with the food industry. On the other hand, though this culture shows a great potential, there is a few informations about its production, whereas do not exist a cultivation guideline established. In this way, researches that aim enhance its production with lower costs and so the environmental impacts, are immensely relevants. The aim of this work, was to evaluate the outcome of distincts nitrogen doses on vegetal metabolism, because of, the already known, influence of this nutrient in cultures productivity and for represent a significative portion in costs involved in agricultural production. Thereby, crambe were cultivated in nutritive solution with differents nitrogen doses (T1= 1, T2= 2,5, T3= 5 and T4= 7,5 mM of N-NO3 -) in greenhouse. Each treatment was compound of 3 repetitions and during the experiment were done 2 harvests, the first one in the beginning of the flowering and the other one, in the end of the seed production (68 and 103 days after germination, respectively). The experimental design used was completely randomized desing fatorial arrangement 4 x 2 (Tre x Har). Among the obtained results, is interesting to emphasize, that there was not significative influence of the differents nitrogen doses on the seed production. Further, the treatment with the lower nitrogen dose (T1= 1mM of N-NO3 -) was efficient, since it enabled the obtainment of a high oil yield, comparing with the others treatments. Thereby, the results obtained in hydroponic culture indicates availability in the use of this dose for crambe cultivation, since it represents a improvement for its cultivation and decrease the costs and envirommental impacts. |
publishDate |
2009 |
dc.date.available.fl_str_mv |
2009-09-08 |
dc.date.issued.fl_str_mv |
2009-05-29 |
dc.date.accessioned.fl_str_mv |
2016-04-26T13:52:04Z |
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info:eu-repo/semantics/publishedVersion |
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info:eu-repo/semantics/masterThesis |
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BRITO, Diego de Mello Conde de. Aspectos do metabolismo de plantas de crambe (Crambe abyssinica) submetidas a diferentes doses de nitrog?nio visando a produ??o de ?leo para biodiesel. 2009. 65 f. Disserta??o (Mestrado em Qu?mica Org?nica) - Instituto de Ci?ncias Exatas, Universidade Federal Rural do Rio de Janeiro, Serop?dica - RJ, 2009. |
dc.identifier.uri.fl_str_mv |
https://tede.ufrrj.br/jspui/handle/tede/27 |
identifier_str_mv |
BRITO, Diego de Mello Conde de. Aspectos do metabolismo de plantas de crambe (Crambe abyssinica) submetidas a diferentes doses de nitrog?nio visando a produ??o de ?leo para biodiesel. 2009. 65 f. Disserta??o (Mestrado em Qu?mica Org?nica) - Instituto de Ci?ncias Exatas, Universidade Federal Rural do Rio de Janeiro, Serop?dica - RJ, 2009. |
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Instituto de Ci?ncias Exatas |
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Universidade Federal Rural do Rio de Janeiro |
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