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12. | | CARVALHO, F. T.; GANCADO, G. M. A.; PARENTONI, S. N.; PAIVA, E.; VASCONCELOS, M. J. V.; LOPES, M. A. Desenvolvimento radicular do milho (Zea mays) sob estresse de alumínio. Revista Brasileira de Genética, Ribeirão Preto, v. 20, n. 3, p. 187, 1997. Suplemento. Edição dos resumos do 43º Congresso Nacional de Genética. Biblioteca(s): Embrapa Milho e Sorgo. |
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13. | | CARVALHO, F. T.; BELENTANI NETO, A.; MORAES, E. F.; VITORIA, D. R.; CAVAZANI, M. A.; GARCIA, J. N. Eficiencia e seletividade do novo herbicida oxadiargyl na cultura da cebola (Allium cepa) transplantada. In: CONGRESSO BRASILEIRO DA CIENCIA DAS PLANTAS DANINHAS, 22., 1995, Florianopolis, SC. Resumos... Florianopolis : SBCPD, 1995. p.357-376. Biblioteca(s): Embrapa Hortaliças. |
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14. | | SCHAFFERT, R. E.; LOPES, M. A.; CARVALHO, F. T.; PORTUGAL, R. S.; CANCADO, G. M.; VASCONCELOS, M. J.; PAIVA, E. Induction of root protein to near isogenic sorghum lines tolerance and susceptible to toxic levels of exchangeable aluminum. In: INTERNATIONAL CONFERENCE ON GENETIC IMPROVEMENT OF SORGHUM AND PEARL MILLET, 1996, Lubbock, Texas. Proceedings. Cali: INTSORMIL/ICRISAT, 1997. p. 674. (Publication, 97-5). Biblioteca(s): Embrapa Milho e Sorgo. |
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15. | | CANCADO, G. M. A.; CARVALHO, F. T.; SCHAFFERT, R. E.; PARENTONI, S. N.; PAIVA, E.; LOPES, M. A. Screening maize and sorghum genotypes for variations in root proteins associated with response to toxic aluminum. In: INTERNATIONAL SYMPOSIUM ON PLANT-SOIL INTERACTIONS AT LOW pH, 4., 1996, Belo Horizonte. Abstracts/Programs. Sete Lagoas: EMBRAPA-CNPMS, 1996. p.102. Biblioteca(s): Embrapa Cerrados. |
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16. | | CANCADO, G. M. A.; CARVALHO, F. T.; SCHAFFERT, R. E.; PARENTONI, S. N.; PAIVA, E.; LOPES, M. A. Screening maize and sorghum genotypes for variations in root proteins associated with response to toxic aluminum. In: INTERNATIONAL SYMPOSIUM ON PLANT SOIL INTERACTIONS AT LOW pH, 4., 1996, Belo Horizonte. Abstracts... Sete Lagoas: EMBRAPA-CNPMS, 1996. p. 102. Biblioteca(s): Embrapa Milho e Sorgo. |
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18. | | CARVALHO, F. T. de; NOVAIS, R. F. de; ALVAREZ V. V. H.; BARROS, N. F. de; CANTARUTTI, R. B.; BAHIA FILHO, A. F. C. Sistema de interpretação de análise de solo para recomendação de NPK para a cultura do milho. Revista Ceres, Viçosa, v. 53, n. 306, p. 211-223, 2006. Biblioteca(s): Embrapa Milho e Sorgo. |
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19. | | CARVALHO, F. T.; CANCADO, G. M. A.; SCHAFFERT, R. E.; PARENTONI, S. N.; PAIVA, E.; VASCONCELOS, M. J. V.; LOPES, M. A. Identificação de proteínas envolvidas no processo de resposta ao estresse de alumínio e sorgo. In: CONGRESSO NACIONAL DE MILHO E SORGO, 21., 1996, Londrina. Resumos... Londrina: IAPAR, 1996. p. 27. Biblioteca(s): Embrapa Milho e Sorgo. |
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Registro Completo
Biblioteca(s): |
Embrapa Agrobiologia. |
Data corrente: |
03/05/1999 |
Data da última atualização: |
03/05/1999 |
Autoria: |
DOBEREINER, Johanna. |
Título: |
Biological nitrogen fixation in the tropics: Social and economic contributions. |
Ano de publicação: |
1997 |
Fonte/Imprenta: |
Soil Biology and Biochemistry, Oxford, v. 29, n. 5/6, p. 771-777, 1997. |
Idioma: |
Inglês |
Conteúdo: |
Brazil has become the world leader in replacing N fertilisers by biological N2 fixation (BNF). Even though agriculture in Brazil is one of the main export-producing activities, it has become the country which uses the lowest N applications (mean 10 kg ha-1). Soybeans selected with zero N applications have become the country's largest export product. Cereals, also selected with N supplies much below their need, unknowingly were selected for associations with diazotrophic bacteria and can obtain up to 30% of their N from BNF when fertilised with ample PK and minor elements. The largest effect in this group was obtained with sugar cane, which can obtain up to 150 kg N ha-1 from BNF. This has become the key to the success of the Brazilian Bio-fuel programme wherebecause of increases in the energy balance when the cane is planted without any N fertiliser and without burning the leaves, the energy produced is more than 5 times that required to produce it. Recently possibilities of expanding this biofuel programme to diesel oil are arising from the isolation of probably new diazotrophs which colonise the stems of oil palms, of the Brazilian palm genotypes which usually are not fertilised with N. |
Palavras-Chave: |
BNF; Cereals; FBN; Feed crops; Fixação biologica de nitrogênio; Nitrogen fixing bacteria. |
Thesagro: |
Gramínea Forrageira. |
Thesaurus NAL: |
grasses. |
Categoria do assunto: |
-- |
Marc: |
LEADER 01832naa a2200217 a 4500 001 1621088 005 1999-05-03 008 1997 bl uuuu u00u1 u #d 100 1 $aDOBEREINER, Johanna. 245 $aBiological nitrogen fixation in the tropics$bSocial and economic contributions. 260 $c1997 520 $aBrazil has become the world leader in replacing N fertilisers by biological N2 fixation (BNF). Even though agriculture in Brazil is one of the main export-producing activities, it has become the country which uses the lowest N applications (mean 10 kg ha-1). Soybeans selected with zero N applications have become the country's largest export product. Cereals, also selected with N supplies much below their need, unknowingly were selected for associations with diazotrophic bacteria and can obtain up to 30% of their N from BNF when fertilised with ample PK and minor elements. The largest effect in this group was obtained with sugar cane, which can obtain up to 150 kg N ha-1 from BNF. This has become the key to the success of the Brazilian Bio-fuel programme wherebecause of increases in the energy balance when the cane is planted without any N fertiliser and without burning the leaves, the energy produced is more than 5 times that required to produce it. Recently possibilities of expanding this biofuel programme to diesel oil are arising from the isolation of probably new diazotrophs which colonise the stems of oil palms, of the Brazilian palm genotypes which usually are not fertilised with N. 650 $agrasses 650 $aGramínea Forrageira 653 $aBNF 653 $aCereals 653 $aFBN 653 $aFeed crops 653 $aFixação biologica de nitrogênio 653 $aNitrogen fixing bacteria 773 $tSoil Biology and Biochemistry, Oxford$gv. 29, n. 5/6, p. 771-777, 1997.
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