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Registro Completo |
Biblioteca(s): |
Embrapa Arroz e Feijão. |
Data corrente: |
31/10/2013 |
Data da última atualização: |
31/10/2013 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
FAGERIA, N. K.; MOREIRA, A.; CASTRO, C.; MORAES, M. F. |
Afiliação: |
NAND KUMAR FAGERIA, CNPAF; ADONIS MOREIRA, CNPSO; CESAR DE CASTRO, CNPSO; M. F. MORAES, UNIVERSIDADE FEDERAL DE MATO GROSSO, Barra do Garças. |
Título: |
Optimal acidity indices for soybean production in brazilian oxisols. |
Ano de publicação: |
2013 |
Fonte/Imprenta: |
Communications in Soil Science and Plant Analysis, New York, v. 44, n. 20, p. 2941-2951, 2013. |
ISSN: |
0010-3624 |
DOI: |
10.1080/00103624.2013.829484 |
Idioma: |
Inglês |
Conteúdo: |
Soybean is an important crop for the Brazilian economy, and soil acidity is one of the main yield-limiting factors in Brazilian Oxisols. A field experiment was conducted during three consecutive years with the objective to determine soybean response to liming grown on Oxisols. Liming rates used were 0, 3, 6, 12, and 18 Mg ha−1. Liming significantly increased grain yield in a quadratic trend. Ninety percent maximum economic grain yield (2900 kg ha−1) was achieved with the application of about 6 Mg lime ha−1. Shoot dry weight, number of pods per plant, and 100-grain weight were also increased significantly in a quadratic fashion with increasing liming rate from 0 to 18 Mg ha−1. These growth and yield components had a significant positive association with grain yield. Maximum contribution in increasing grain yield was of number of pods per plant followed by grain harvest index and shoot dry weight. Uptake of nitrogen (N) was greatest and phosphorus (P) was least among macronutrients in soybean plant. Nutrient-use efficiency (kg grain per kg nutrient accumulation in grain) was maximum for magnesium (Mg) and lowest for N among macronutrients. Application of 3 Mg lime ha−1 neutralized all aluminum ions in soil solution. Optimal acidity indices for 90% of maximum yield were pH 6.0, calcium (Ca) 1.6 cmolc kg−1, Mg 0.9 cmolc kg−1, base saturation 51%, cation exchange capacity (CEC) 4.8 cmolc kg−1, Ca/Mg ratio 1.9, Ca / potassium (K) ratio 5.6, and Mg/K ratio 3.0. MenosSoybean is an important crop for the Brazilian economy, and soil acidity is one of the main yield-limiting factors in Brazilian Oxisols. A field experiment was conducted during three consecutive years with the objective to determine soybean response to liming grown on Oxisols. Liming rates used were 0, 3, 6, 12, and 18 Mg ha−1. Liming significantly increased grain yield in a quadratic trend. Ninety percent maximum economic grain yield (2900 kg ha−1) was achieved with the application of about 6 Mg lime ha−1. Shoot dry weight, number of pods per plant, and 100-grain weight were also increased significantly in a quadratic fashion with increasing liming rate from 0 to 18 Mg ha−1. These growth and yield components had a significant positive association with grain yield. Maximum contribution in increasing grain yield was of number of pods per plant followed by grain harvest index and shoot dry weight. Uptake of nitrogen (N) was greatest and phosphorus (P) was least among macronutrients in soybean plant. Nutrient-use efficiency (kg grain per kg nutrient accumulation in grain) was maximum for magnesium (Mg) and lowest for N among macronutrients. Application of 3 Mg lime ha−1 neutralized all aluminum ions in soil solution. Optimal acidity indices for 90% of maximum yield were pH 6.0, calcium (Ca) 1.6 cmolc kg−1, Mg 0.9 cmolc kg−1, base saturation 51%, cation exchange capacity (CEC) 4.8 cmolc kg−1, Ca/Mg ratio 1.9, Ca / potassium (K) rat... Mostrar Tudo |
Thesagro: |
Acidez do solo; Fertilidade do solo; PH; Soja. |
Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
Marc: |
LEADER 02204naa a2200229 a 4500 001 1969986 005 2013-10-31 008 2013 bl uuuu u00u1 u #d 022 $a0010-3624 024 7 $a10.1080/00103624.2013.829484$2DOI 100 1 $aFAGERIA, N. K. 245 $aOptimal acidity indices for soybean production in brazilian oxisols.$h[electronic resource] 260 $c2013 520 $aSoybean is an important crop for the Brazilian economy, and soil acidity is one of the main yield-limiting factors in Brazilian Oxisols. A field experiment was conducted during three consecutive years with the objective to determine soybean response to liming grown on Oxisols. Liming rates used were 0, 3, 6, 12, and 18 Mg ha−1. Liming significantly increased grain yield in a quadratic trend. Ninety percent maximum economic grain yield (2900 kg ha−1) was achieved with the application of about 6 Mg lime ha−1. Shoot dry weight, number of pods per plant, and 100-grain weight were also increased significantly in a quadratic fashion with increasing liming rate from 0 to 18 Mg ha−1. These growth and yield components had a significant positive association with grain yield. Maximum contribution in increasing grain yield was of number of pods per plant followed by grain harvest index and shoot dry weight. Uptake of nitrogen (N) was greatest and phosphorus (P) was least among macronutrients in soybean plant. Nutrient-use efficiency (kg grain per kg nutrient accumulation in grain) was maximum for magnesium (Mg) and lowest for N among macronutrients. Application of 3 Mg lime ha−1 neutralized all aluminum ions in soil solution. Optimal acidity indices for 90% of maximum yield were pH 6.0, calcium (Ca) 1.6 cmolc kg−1, Mg 0.9 cmolc kg−1, base saturation 51%, cation exchange capacity (CEC) 4.8 cmolc kg−1, Ca/Mg ratio 1.9, Ca / potassium (K) ratio 5.6, and Mg/K ratio 3.0. 650 $aAcidez do solo 650 $aFertilidade do solo 650 $aPH 650 $aSoja 700 1 $aMOREIRA, A. 700 1 $aCASTRO, C. 700 1 $aMORAES, M. F. 773 $tCommunications in Soil Science and Plant Analysis, New York$gv. 44, n. 20, p. 2941-2951, 2013.
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Embrapa Arroz e Feijão (CNPAF) |
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Biblioteca(s): |
Embrapa Amazônia Ocidental. |
Data corrente: |
29/11/2011 |
Data da última atualização: |
23/04/2021 |
Tipo da produção científica: |
Artigo em Anais de Congresso |
Autoria: |
SILVA, K. E. da; FORTIN, M.-J.; MARTINS, S. V.; RIBEIRO, M. C.; RIBEIRO, C. A. A. S.; SANTOS, N. T.; AZEVEDO, C. P. de. |
Afiliação: |
KATIA EMIDIO DA SILVA, CPAA; MARIE-JOSÉE FORTIN, UNIVERSIDADE DE TORONTO; SEBASTIÃO VENÂNCIO MARTINS, UFV; MILTON CEZAR RIBEIRO, UNESP; CARLOS ANTONIO ALVARES SOARES RIBEIRO, UFV; NERILSON TERRA SANTOS, UFV; CELSO PAULO DE AZEVEDO, CPAA. |
Título: |
Influência de variáveis ambientais na distribuição de espécies arbóreas tropicais. |
Ano de publicação: |
2011 |
Fonte/Imprenta: |
In: SEMINÁRIO PRODUTIVIDADE AGROPECUÁRIA E BENEFÍCIOS SOCIOAMBIENTAIS DAS PESQUISAS DA EMBRAPA AMAZÔNIA OCIDENTAL, 1., 2011, Manaus. Anais... Manaus: Embrapa Amazônia Ocidental, 2011. p. 72-75. (Embrapa Amazônia Ocidental. Documentos, 88). |
Idioma: |
Português |
Conteúdo: |
Este trabalho objetivou avaliar a seletividade ambiental em uma comunidade de espécies arbóreas tropicais na Amazônia em relação a variáveis de solo. |
Palavras-Chave: |
Análise de correspondência; Floresta de terra firme; Seletividade ambiental. |
Categoria do assunto: |
-- |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/48969/1/Doc-88katia-A5.pdf
|
Marc: |
LEADER 01033nam a2200217 a 4500 001 1907626 005 2021-04-23 008 2011 bl uuuu u00u1 u #d 100 1 $aSILVA, K. E. da 245 $aInfluência de variáveis ambientais na distribuição de espécies arbóreas tropicais.$h[electronic resource] 260 $aIn: SEMINÁRIO PRODUTIVIDADE AGROPECUÁRIA E BENEFÍCIOS SOCIOAMBIENTAIS DAS PESQUISAS DA EMBRAPA AMAZÔNIA OCIDENTAL, 1., 2011, Manaus. Anais... Manaus: Embrapa Amazônia Ocidental, 2011. p. 72-75. (Embrapa Amazônia Ocidental. Documentos$c2011 520 $aEste trabalho objetivou avaliar a seletividade ambiental em uma comunidade de espécies arbóreas tropicais na Amazônia em relação a variáveis de solo. 653 $aAnálise de correspondência 653 $aFloresta de terra firme 653 $aSeletividade ambiental 700 1 $aFORTIN, M.-J. 700 1 $aMARTINS, S. V. 700 1 $aRIBEIRO, M. C. 700 1 $aRIBEIRO, C. A. A. S. 700 1 $aSANTOS, N. T. 700 1 $aAZEVEDO, C. P. de
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