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Registros recuperados : 60 | |
5. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | SALVADOR, J. O.; MOREIRA, A.; MURAOKA, T. Efeito da omissao combinada de N, P, K e S nos teores foliares de macronutrientes em mudas de goiabeira. Scientia Agricola, Piracicaba, v. 56, n. 2, p. 501-507, abr./jun. 1999. Biblioteca(s): Epagri-Sede. |
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8. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | ABREU JUNIOR, C.H.; MURAOKA, T.; OLIVEIRA, F.C. Carbono, nitrogenio, fosforo e enxofre em solos tratados com composto de lixo urbano. Revista Brasileira de Ciencia do Solo, Vicosa, v.26, n.3, p.769-780, jul./set. 2002. Biblioteca(s): Epagri-Sede. |
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13. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | SCIVITTARO, W.B.; BOARETTO, A.E.; MURAOKA, T. Disponibilidade de fosfatos nativos do solo e dos provenientes de fertilizantes fluidos e solidos. Agropecuaria Clima Temperado, Pelotas,RS, v.1, n.2, p.193-201, dez., 1998. Biblioteca(s): Epagri-Sede. |
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17. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | MASCARENHAS, H.A.A.; MURAOKA, T.; TANAKA, R.T.; AMBROSANO, E.J.; TRIVELIN, P.C.O. Crescimento da planta e absorcao de N em funcao da inoculacao com Rizobio e adubacao mineral em soja nodulante e nao-nodulante. Revista de Agricultura, Piracicaba, v.7^bn.3, p.359-371, dez., 2000. Biblioteca(s): Epagri-Chapecó. |
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18. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | BOARETTO, A. E.; SCHIAVINATO NETO, P.; MURAOKA, T.; OLIVEIRA, M. W.; TRIVELIN, P. C. O. Fertilizacao foliar de nitrogenio para laranjeira em estagio de formacao. Scientia Agricola, Piracicaba, v. 56, n. 3, p. 621-626, jul./set. 1999. Biblioteca(s): Epagri-Sede. |
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19. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | CHITOLINA, J.C.; PRATA, F.; SILVA, F.C. da; MURAOKA, T.; VITTI, A.C. Amostragem, acondicionamento e preparo de amostras de solo para analise de fertilidade. In: SILVA, F.C. da (Org.). Manual de analises quimicas de solos, plantas e fertilizantes. Brasilia: Embrapa Comunicacao para Transferencia de Tecnologia / Rio de Janeiro: Embrapa Solos / Campinas: Embrapa Informatica Agropecuaria, 1999. Cap.1, p.13-48 Biblioteca(s): Epagri-Itajaí. |
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20. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | SILVA, E.C.da; MURAOKA, T.; VILLANUEVA, F.C.A.; ESPINAL, F.S.C. Aproveitamento de nitrogênio pelo milho, em razão da adubação verde, nitrogenada e fosfatada. Pesquisa Agropecuária Brasileira, Brasília, v.44, n.2, p.118-127, fev. 2009. Biblioteca(s): Epagri-Sede. |
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Registro Completo
Biblioteca(s): |
Epagri-Sede. |
Data corrente: |
05/05/2020 |
Data da última atualização: |
05/05/2020 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
Internacional - A |
Autoria: |
LEITE, C. M. C.; SILVA, A.; CÉSAR, F. R. C. F.; GUIMARAES, G. G. F.; ALMEIDA, E.; MURAOKA, T. |
Título: |
Low efficiency of Zn uptake and translocation in plants provide poor micronutrient enrichment in rice and soybean grains. |
Ano de publicação: |
2019 |
Fonte/Imprenta: |
Journal of Plant Nutrition, Abingdon, Inglaterra, v. 43, n. 1, p. 1-13, 2019. |
Idioma: |
Inglês |
Conteúdo: |
Recent research has shown the need for an in-depth knowledge of zinc
biofortification of cereal and oilseed grains due to its importance to human
nutrition. However, little is known about the Zn dynamics in plant?soil system.
In this work, we evaluated the effect of soil-applied Zn on the absorption,
translocation, and compartmentalization of Zn in rice (Oryza sativa L.)
and soybean (Glycine max L. Merrill) plants. The soil used in the greenhouse
experiment was fertilized with zinc chloride (ZnCl2) at rates of 0, 1,
2, 4, and 8mg Zn kg1. The source of Zn was labeled by 65Zn with specific
activity of 185.5 kBq mg1 Zn. The amount of Zn derived from fertilizer
and its use in each plants compartment was determined by direct method
in isotopic calculations. Rice and soybean plants presented low efficiency
in the absorption from soil-applied Zn. The accumulated Zn in the panicle,
pod, and grains was not modified, due to its low translocation in the plant.
The Zn uptake in rice plants was from 1.34 to 4.60mg pot1 in shoots and
just 0.81 to 1.43mg pot1 translocated to panicles. Soybean plants presented
Zn uptake between 2.36 and 4.68mg pot1 in shoots, out of which
0.19 to 0.34mg.pot1 and 0.48 to 0.57mg pot1 translocated to grains
and pods, respectively. The nutrient utilization from fertilizer was low, with
mean values of 12 and 8.7% for rice and soybean plants, respectively. Soilapplied
Zn showed low capacity for enriching rice panicle and soybean
pod or grain probably due low Zn uptake and translocation. MenosRecent research has shown the need for an in-depth knowledge of zinc
biofortification of cereal and oilseed grains due to its importance to human
nutrition. However, little is known about the Zn dynamics in plant?soil system.
In this work, we evaluated the effect of soil-applied Zn on the absorption,
translocation, and compartmentalization of Zn in rice (Oryza sativa L.)
and soybean (Glycine max L. Merrill) plants. The soil used in the greenhouse
experiment was fertilized with zinc chloride (ZnCl2) at rates of 0, 1,
2, 4, and 8mg Zn kg1. The source of Zn was labeled by 65Zn with specific
activity of 185.5 kBq mg1 Zn. The amount of Zn derived from fertilizer
and its use in each plants compartment was determined by direct method
in isotopic calculations. Rice and soybean plants presented low efficiency
in the absorption from soil-applied Zn. The accumulated Zn in the panicle,
pod, and grains was not modified, due to its low translocation in the plant.
The Zn uptake in rice plants was from 1.34 to 4.60mg pot1 in shoots and
just 0.81 to 1.43mg pot1 translocated to panicles. Soybean plants presented
Zn uptake between 2.36 and 4.68mg pot1 in shoots, out of which
0.19 to 0.34mg.pot1 and 0.48 to 0.57mg pot1 translocated to grains
and pods, respectively. The nutrient utilization from fertilizer was low, with
mean values of 12 and 8.7% for rice and soybean plants, respectively. Soilapplied
Zn showed low capacity for enriching rice panicle and soybean
pod or grain probably due low Zn u... Mostrar Tudo |
Palavras-Chave: |
biofortification; micronutrient; radioisotopes; soil nutrient availability. |
Categoria do assunto: |
X Pesquisa, Tecnologia e Engenharia |
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Marc: |
LEADER 02260naa a2200229 a 4500 001 1129616 005 2020-05-05 008 2019 bl uuuu u00u1 u #d 100 1 $aLEITE, C. M. C. 245 $aLow efficiency of Zn uptake and translocation in plants provide poor micronutrient enrichment in rice and soybean grains.$h[electronic resource] 260 $c2019 520 $aRecent research has shown the need for an in-depth knowledge of zinc biofortification of cereal and oilseed grains due to its importance to human nutrition. However, little is known about the Zn dynamics in plant?soil system. In this work, we evaluated the effect of soil-applied Zn on the absorption, translocation, and compartmentalization of Zn in rice (Oryza sativa L.) and soybean (Glycine max L. Merrill) plants. The soil used in the greenhouse experiment was fertilized with zinc chloride (ZnCl2) at rates of 0, 1, 2, 4, and 8mg Zn kg1. The source of Zn was labeled by 65Zn with specific activity of 185.5 kBq mg1 Zn. The amount of Zn derived from fertilizer and its use in each plants compartment was determined by direct method in isotopic calculations. Rice and soybean plants presented low efficiency in the absorption from soil-applied Zn. The accumulated Zn in the panicle, pod, and grains was not modified, due to its low translocation in the plant. The Zn uptake in rice plants was from 1.34 to 4.60mg pot1 in shoots and just 0.81 to 1.43mg pot1 translocated to panicles. Soybean plants presented Zn uptake between 2.36 and 4.68mg pot1 in shoots, out of which 0.19 to 0.34mg.pot1 and 0.48 to 0.57mg pot1 translocated to grains and pods, respectively. The nutrient utilization from fertilizer was low, with mean values of 12 and 8.7% for rice and soybean plants, respectively. Soilapplied Zn showed low capacity for enriching rice panicle and soybean pod or grain probably due low Zn uptake and translocation. 653 $abiofortification 653 $amicronutrient 653 $aradioisotopes 653 $asoil nutrient availability 700 1 $aSILVA, A. 700 1 $aCÉSAR, F. R. C. F. 700 1 $aGUIMARAES, G. G. F. 700 1 $aALMEIDA, E. 700 1 $aMURAOKA, T. 773 $tJournal of Plant Nutrition, Abingdon, Inglaterra$gv. 43, n. 1, p. 1-13, 2019.
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