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Registro Completo |
Biblioteca(s): |
Embrapa Soja. |
Data corrente: |
06/04/2004 |
Data da última atualização: |
27/07/2007 |
Autoria: |
BORKERT, C. M.; KLEPKER, D.; OLIVEIRA JUNIOR, A. de. |
Título: |
Soybean response and residual effect of micronutrients in Cerrado soils. |
Ano de publicação: |
2004 |
Fonte/Imprenta: |
In: WORLD SOYBEAN RESEARCH CONFERENCE, 7.; INTERNATIONAL SOYBEAN PROCESSING AND UTILIZATION CONFERENCE, 4.; CONGRESSO BRASILEIRO DE SOJA, 3., 2004, Foz do Iguassu. Abstracts of contributed papers and posters. Londrina: Embrapa Soybean, 2004. |
Páginas: |
p. 185-186. |
Série: |
(Embrapa Soja. Documentos, 228). |
Idioma: |
Inglês |
Notas: |
Editado por Flávio Moscardi, Clara Beatriz Hoffmann-Campo, Odilon Ferreira Saraiva, Paulo Roberto Galerani, Francisco Carlos Krzyzanowski, Mercedes Concordia Carrão-Panizzi. |
Conteúdo: |
With the increase of soybean yields in the last years, there is a greater concern for furnishing micronutrients for this crop. The quantity of micronutrients exported by the seeds increased because of the high yields of the new soybean varieties. Besides, native cerrado soils, have in general, low availability of micronutrients, mainly, zinc, manganese and copper, which may lead to possible deficiencies of these nutrients in soybean. Thus, the objective of the present study was to evaluate the effect of the application of these micronutrients on soybean yield, under different soil acidity conditions.The research began in 1997, at two sites in the South of the State of Maranhão and included experiments for calibrating the recommendable doses and the critical levels of Zn, Mn, Cu and B. Each experiment was run in a factorial arrangement (6 X 6), including six doses of lime in order to obtain high levels of base saturation between 30 to 80 % and also six doses of each micronutrient. The experiments were run in a randomized block design with split plot and four replications. At both sites the soil was classified as a distrofic Red-yellow Latosol (LVAd), however, with different soil texture, sandy clay loam (27% of clay) and clay soil (55% of clay). In both soils, the initial soil content of Zn and Cu (Mehlich-1) and of B (Hot Water) were below the critical levels of these nutrients in the soil; 1.0 , 0.8 , and 0.5 mg/dm3, respectively, while the initial content of Mn was higher than the critical level of 5.0 mg/dm3. In general, there was no significant response to application of the micronutrients, Zn, Mn, and B in the five growing seasons 1997/98 to 2001/02 and even when the response was significant yield increases due the application of the micronutrients were small. However, a significant effect of Cu application was observed at both sites, indicating that this is the main limiting micronutrient in soils of this region. The increase of the level of base saturation had significant effect on soybean yields, with the highest increases in the clay soil. The small response to application of micronutrients in the present trials may be due to the addition of nutrients as contaminants in lime and in fertilizers, and by the capacity of the soybean roots to solubilize and to absorb these micronutrients. MenosWith the increase of soybean yields in the last years, there is a greater concern for furnishing micronutrients for this crop. The quantity of micronutrients exported by the seeds increased because of the high yields of the new soybean varieties. Besides, native cerrado soils, have in general, low availability of micronutrients, mainly, zinc, manganese and copper, which may lead to possible deficiencies of these nutrients in soybean. Thus, the objective of the present study was to evaluate the effect of the application of these micronutrients on soybean yield, under different soil acidity conditions.The research began in 1997, at two sites in the South of the State of Maranhão and included experiments for calibrating the recommendable doses and the critical levels of Zn, Mn, Cu and B. Each experiment was run in a factorial arrangement (6 X 6), including six doses of lime in order to obtain high levels of base saturation between 30 to 80 % and also six doses of each micronutrient. The experiments were run in a randomized block design with split plot and four replications. At both sites the soil was classified as a distrofic Red-yellow Latosol (LVAd), however, with different soil texture, sandy clay loam (27% of clay) and clay soil (55% of clay). In both soils, the initial soil content of Zn and Cu (Mehlich-1) and of B (Hot Water) were below the critical levels of these nutrients in the soil; 1.0 , 0.8 , and 0.5 mg/dm3, respectively, while the initial content of Mn was higher ... Mostrar Tudo |
Categoria do assunto: |
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LEADER 03208naa a2200181 a 4500 001 1466796 005 2007-07-27 008 2004 bl uuuu u00u1 u #d 100 1 $aBORKERT, C. M. 245 $aSoybean response and residual effect of micronutrients in Cerrado soils. 260 $c2004 300 $ap. 185-186. 490 $a(Embrapa Soja. Documentos, 228). 500 $aEditado por Flávio Moscardi, Clara Beatriz Hoffmann-Campo, Odilon Ferreira Saraiva, Paulo Roberto Galerani, Francisco Carlos Krzyzanowski, Mercedes Concordia Carrão-Panizzi. 520 $aWith the increase of soybean yields in the last years, there is a greater concern for furnishing micronutrients for this crop. The quantity of micronutrients exported by the seeds increased because of the high yields of the new soybean varieties. Besides, native cerrado soils, have in general, low availability of micronutrients, mainly, zinc, manganese and copper, which may lead to possible deficiencies of these nutrients in soybean. Thus, the objective of the present study was to evaluate the effect of the application of these micronutrients on soybean yield, under different soil acidity conditions.The research began in 1997, at two sites in the South of the State of Maranhão and included experiments for calibrating the recommendable doses and the critical levels of Zn, Mn, Cu and B. Each experiment was run in a factorial arrangement (6 X 6), including six doses of lime in order to obtain high levels of base saturation between 30 to 80 % and also six doses of each micronutrient. The experiments were run in a randomized block design with split plot and four replications. At both sites the soil was classified as a distrofic Red-yellow Latosol (LVAd), however, with different soil texture, sandy clay loam (27% of clay) and clay soil (55% of clay). In both soils, the initial soil content of Zn and Cu (Mehlich-1) and of B (Hot Water) were below the critical levels of these nutrients in the soil; 1.0 , 0.8 , and 0.5 mg/dm3, respectively, while the initial content of Mn was higher than the critical level of 5.0 mg/dm3. In general, there was no significant response to application of the micronutrients, Zn, Mn, and B in the five growing seasons 1997/98 to 2001/02 and even when the response was significant yield increases due the application of the micronutrients were small. However, a significant effect of Cu application was observed at both sites, indicating that this is the main limiting micronutrient in soils of this region. The increase of the level of base saturation had significant effect on soybean yields, with the highest increases in the clay soil. The small response to application of micronutrients in the present trials may be due to the addition of nutrients as contaminants in lime and in fertilizers, and by the capacity of the soybean roots to solubilize and to absorb these micronutrients. 700 1 $aKLEPKER, D. 700 1 $aOLIVEIRA JUNIOR, A. de 773 $tIn: WORLD SOYBEAN RESEARCH CONFERENCE, 7.; INTERNATIONAL SOYBEAN PROCESSING AND UTILIZATION CONFERENCE, 4.; CONGRESSO BRASILEIRO DE SOJA, 3., 2004, Foz do Iguassu. Abstracts of contributed papers and posters. Londrina: Embrapa Soybean, 2004.
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Registro original: |
Embrapa Soja (CNPSO) |
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Registro Completo
Biblioteca(s): |
Embrapa Pecuária Sudeste. |
Data corrente: |
07/12/2020 |
Data da última atualização: |
07/12/2020 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
B - 5 |
Autoria: |
SILVA, R. A. da; COELHO, M. S.; OLIVEIRA, G. L. G. de; BRITO, R. S. e; FERREIRA, R. de P.; TUPY, O.; BRASILINO, C. C. de O.; ALMEIDA, A. K. C. de; RODRIGUES, V. da S.; LINHARES, R. S.; MEDEIROS, A. C. de; SILVA, F. A. da; MARACAJA, P. B. |
Afiliação: |
Rosilene Agra da Silva, UFCG; Micaela Silva Coelho, UFCG; Gilmara Lima Gonçalves de Oliveira, UFCG; Rudson Silva e Brito, UFCG; REINALDO DE PAULA FERREIRA, CPPSE; OSCAR TUPY, CPPSE; Caio Cezar de Oliveira Brasilino, UFCG; Alan Keis Chaves de Almeida, UFCG; Vitor da Silva Rodrigues, UFCG; Rafael Silva Linhares, FIP; Aline Carla de Medeiros, UFCG; Francisco Alves da Silva, UFCG; Patrício Borges Maracaja, UFCG. |
Título: |
Primeiro registro do potencial produtivo de alfafal para produção de sementes no sertão paraibano: Brasil. |
Ano de publicação: |
2020 |
Fonte/Imprenta: |
Informativo Técnico do Semiárido, v. 14, n. 1, p. 8-13, 2020. |
ISSN: |
2317-305X |
Idioma: |
Português |
Conteúdo: |
A alfafa (Medicago sativa) reune diversas características como alta produtividade, elevado teor proteico e de matéria seca, boa palatabilidade, alta digestibilidade, boa capacidade de fixação de nitrogênio atmosférico no solo e baixa sazonalidade na produção de forragem. A semeadura desta foi feita em linhas espaçadas de 1 m, com a cultivar Crioula doada pelo pesquisador Dr. Reinaldo de Paula Ferreira, em parceria entre a UFCG/Campus de Pombal e Embrapa Pecuária Sudeste, São Carlos ? SP. foi utilizado cerca de 100 gramas de sementes puras e viáveis com (90% germinação), previamente inoculadas com Sinorhizobium meliloti e peletizadas. As unidades experimentais foram compostas de quatro fileiras de 6 m de comprimento, sendo quatro repetições (16 linhas), com um total de área útil de 96 m2. Será considerada como bordadura uma fileira de cada lado e 0,50 m de cada extremidade da parcela, com a área útil sendo constituída de duas fileiras de 5 m de comprimento. Os cortes serão feitos manualmente, a 10 cm de altura do solo, no período propício para produção de sementes. Foi comprovado que existe condições de serem realizadas duas colheitas por ano nesta área, sendo, portanto, o potencial de produção estimado para a região de cerca de 2.570 quilos de sementes puras por hectare ano no sertão paraibano. |
Palavras-Chave: |
Forrageira; Semiárido. |
Thesagro: |
Medicago Sativa; Produção de Sementes. |
Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/218800/1/PrimeiroRegistroPotencial.pdf
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Marc: |
LEADER 02323naa a2200325 a 4500 001 2127708 005 2020-12-07 008 2020 bl uuuu u00u1 u #d 022 $a2317-305X 100 1 $aSILVA, R. A. da 245 $aPrimeiro registro do potencial produtivo de alfafal para produção de sementes no sertão paraibano$bBrasil.$h[electronic resource] 260 $c2020 520 $aA alfafa (Medicago sativa) reune diversas características como alta produtividade, elevado teor proteico e de matéria seca, boa palatabilidade, alta digestibilidade, boa capacidade de fixação de nitrogênio atmosférico no solo e baixa sazonalidade na produção de forragem. A semeadura desta foi feita em linhas espaçadas de 1 m, com a cultivar Crioula doada pelo pesquisador Dr. Reinaldo de Paula Ferreira, em parceria entre a UFCG/Campus de Pombal e Embrapa Pecuária Sudeste, São Carlos ? SP. foi utilizado cerca de 100 gramas de sementes puras e viáveis com (90% germinação), previamente inoculadas com Sinorhizobium meliloti e peletizadas. As unidades experimentais foram compostas de quatro fileiras de 6 m de comprimento, sendo quatro repetições (16 linhas), com um total de área útil de 96 m2. Será considerada como bordadura uma fileira de cada lado e 0,50 m de cada extremidade da parcela, com a área útil sendo constituída de duas fileiras de 5 m de comprimento. Os cortes serão feitos manualmente, a 10 cm de altura do solo, no período propício para produção de sementes. Foi comprovado que existe condições de serem realizadas duas colheitas por ano nesta área, sendo, portanto, o potencial de produção estimado para a região de cerca de 2.570 quilos de sementes puras por hectare ano no sertão paraibano. 650 $aMedicago Sativa 650 $aProdução de Sementes 653 $aForrageira 653 $aSemiárido 700 1 $aCOELHO, M. S. 700 1 $aOLIVEIRA, G. L. G. de 700 1 $aBRITO, R. S. e 700 1 $aFERREIRA, R. de P. 700 1 $aTUPY, O. 700 1 $aBRASILINO, C. C. de O. 700 1 $aALMEIDA, A. K. C. de 700 1 $aRODRIGUES, V. da S. 700 1 $aLINHARES, R. S. 700 1 $aMEDEIROS, A. C. de 700 1 $aSILVA, F. A. da 700 1 $aMARACAJA, P. B. 773 $tInformativo Técnico do Semiárido$gv. 14, n. 1, p. 8-13, 2020.
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