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Registro Completo |
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Biblioteca(s): |
Embrapa Arroz e Feijão. |
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Data corrente: |
10/02/2014 |
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Data da última atualização: |
26/05/2014 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
FAGERIA, N. K.; BALIGAR, V. C.; LI, Y. C. |
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Afiliação: |
NAND KUMAR FAGERIA, CNPAF; V. C. BALIGAR, USDA; Y. C. LI, UNIVERSITY OF FLORIDA. |
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Título: |
Nutrient uptake and use efficiency by tropical legume cover crops at varying pH of an oxisol. |
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Ano de publicação: |
2014 |
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Fonte/Imprenta: |
Journal of Plant Nutrition, New York, v. 37, n. 2, p. 294-311, Feb. 2014. |
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DOI: |
10.1080/01904167.2013.851695 |
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Idioma: |
Inglês |
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Conteúdo: |
Oxisols comprise large soil group in tropical America. These soils are acidic and have low fertility. Use of tropical legume cover crops in cropping systems is an important strategy to improve fertility of these soils for sustainable crop production. Data are limited on nutrient uptake and use efficiency of tropical cover crops under different acidity levels. The objective of our study was to evaluate growth and nutrient uptake parameters of sixteen tropical legume cover crops under three soil pH (5.1, 6.5, and 7.0) of an Oxisol. Shoot dry weight was influenced significantly by pH and cover crop treatments and their interactions, indicating that cover crops used had differential responses to changing soil pH levels. Overall, shoot dry weight decreased when soil pH was raised from 5.1 to 7.0, indicating acidity tolerance of cover crops. Nutrient concentration (content per unit of dry weight), uptake (concentration X dry weight), and nutrient use efficiency (dry weight of shoot per unit of nutrient uptake) varied significantly among cover crops. The variation in nutrient uptake and use efficiency among cover crop species was associated with variation in shoot dry matter production. Significant variation among crop species in dry matter production and low C/N ratios (average value of 14.25) suggest that cover crops which produced higher dry matter yield like white jack bean, gray mucuna bean, black mucuna bean, mucuna bean ana, and lablab are important choices for planting in tropical soils to recover large amount of macro and micronutrients, and to prevent such nutrient leaching in soil plant systems. MenosOxisols comprise large soil group in tropical America. These soils are acidic and have low fertility. Use of tropical legume cover crops in cropping systems is an important strategy to improve fertility of these soils for sustainable crop production. Data are limited on nutrient uptake and use efficiency of tropical cover crops under different acidity levels. The objective of our study was to evaluate growth and nutrient uptake parameters of sixteen tropical legume cover crops under three soil pH (5.1, 6.5, and 7.0) of an Oxisol. Shoot dry weight was influenced significantly by pH and cover crop treatments and their interactions, indicating that cover crops used had differential responses to changing soil pH levels. Overall, shoot dry weight decreased when soil pH was raised from 5.1 to 7.0, indicating acidity tolerance of cover crops. Nutrient concentration (content per unit of dry weight), uptake (concentration X dry weight), and nutrient use efficiency (dry weight of shoot per unit of nutrient uptake) varied significantly among cover crops. The variation in nutrient uptake and use efficiency among cover crop species was associated with variation in shoot dry matter production. Significant variation among crop species in dry matter production and low C/N ratios (average value of 14.25) suggest that cover crops which produced higher dry matter yield like white jack bean, gray mucuna bean, black mucuna bean, mucuna bean ana, and lablab are important choices for planting in t... Mostrar Tudo |
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Palavras-Chave: |
Ssitema de cultivo. |
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Thesagro: |
Absorção de nutrientes; Planta de cobertura. |
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Thesaurus Nal: |
cover crops; Cropping systems; Nutrient uptake; Soil pH. |
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Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
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Marc: |
LEADER 02376naa a2200241 a 4500
001 1979244
005 2014-05-26
008 2014 bl uuuu u00u1 u #d
024 7 $a10.1080/01904167.2013.851695$2DOI
100 1 $aFAGERIA, N. K.
245 $aNutrient uptake and use efficiency by tropical legume cover crops at varying pH of an oxisol.$h[electronic resource]
260 $c2014
520 $aOxisols comprise large soil group in tropical America. These soils are acidic and have low fertility. Use of tropical legume cover crops in cropping systems is an important strategy to improve fertility of these soils for sustainable crop production. Data are limited on nutrient uptake and use efficiency of tropical cover crops under different acidity levels. The objective of our study was to evaluate growth and nutrient uptake parameters of sixteen tropical legume cover crops under three soil pH (5.1, 6.5, and 7.0) of an Oxisol. Shoot dry weight was influenced significantly by pH and cover crop treatments and their interactions, indicating that cover crops used had differential responses to changing soil pH levels. Overall, shoot dry weight decreased when soil pH was raised from 5.1 to 7.0, indicating acidity tolerance of cover crops. Nutrient concentration (content per unit of dry weight), uptake (concentration X dry weight), and nutrient use efficiency (dry weight of shoot per unit of nutrient uptake) varied significantly among cover crops. The variation in nutrient uptake and use efficiency among cover crop species was associated with variation in shoot dry matter production. Significant variation among crop species in dry matter production and low C/N ratios (average value of 14.25) suggest that cover crops which produced higher dry matter yield like white jack bean, gray mucuna bean, black mucuna bean, mucuna bean ana, and lablab are important choices for planting in tropical soils to recover large amount of macro and micronutrients, and to prevent such nutrient leaching in soil plant systems.
650 $acover crops
650 $aCropping systems
650 $aNutrient uptake
650 $aSoil pH
650 $aAbsorção de nutrientes
650 $aPlanta de cobertura
653 $aSsitema de cultivo
700 1 $aBALIGAR, V. C.
700 1 $aLI, Y. C.
773 $tJournal of Plant Nutrition, New York$gv. 37, n. 2, p. 294-311, Feb. 2014.
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Registro original: |
Embrapa Arroz e Feijão (CNPAF) |
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Classificação |
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Registro |
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Status |
URL |
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| Registros recuperados : 1 | |
| 1. |  | CARVALHO, H. W. L. de; OLIVEIRA, I. R. de; CARVALHO, C. G. P.; GONCALVES, S. L.; BARROS, I. de; FERREIRA, F. M. de B.; LIRA, M. A.; TABOSA, J. N.; MACEDO, J. J. G. de; MENEZES, V, M. M.; MENESES, M. C.; GOMES, M. C. M.; OLIVIERA, T. R. A. de; SANTANA, A. de F. Desempenho de cultivares de girassol no Nordeste brasileiro nos anos agrícolas de 2010 e 2011. Aracaju: Embrapa Tabuleiros Costeiros, 2012. 4 p. (Embrapa Tabuleiros Costeiros. Comunicado Técnico, 123).| Tipo: Comunicado Técnico/Recomendações Técnicas |
| Biblioteca(s): Embrapa Tabuleiros Costeiros. |
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| Registros recuperados : 1 | |
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Registro completo
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Biblioteca(s): |
Catálogo Coletivo de Periódicos Embrapa; Embrapa Florestas; Embrapa Meio Ambiente; Embrapa Meio-Norte; Embrapa Trigo. |
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Identificador: |
69 |
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Data corrente: |
09/05/2002 |
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Data da última atualização: |
30/04/2015 |
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Código do título: |
0900016 |
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ISSN: |
0301-2123 |
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Código CCN: |
000690-4 |
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Título e Subtítulo: |
ACTA BIOLOGICA PARANAENSE |
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Entidade: |
Instituto de Biologia da Universidade Federal do Parana |
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Local de publicação: |
Curitiba, PR |
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Periodicidade: |
Irregural |
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Inicio de publicação: |
1972 |
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Coleções da unidade: |
Embrapa Florestas
1972 1(1/2,3/4); 1975 4(1/2,3/4); 1976 5(3/4); 1983 12(1/4); 1985 14(1/4); 1986 15(1/4); 1987 16(1/4); 1988 17(1/4); 1989 18(1/4); 1990 19(1/4); 1991 20(1/4); 1992 21(1/4); 1994 23(1/4); 1995 24(1/4); 1996 25(1/4); 1997 26(1/4); 1998 27(1/4); 1999 28(1/4); 2000 29(1/4); 2001 30(1/4); 2002 31(1/4); 2003 32(1/4); 2004 33(1/4); 2005 34(1/4); 2006 35(1/2,3/4); 2007 36(1/2,3/4); 2008 37(1/2,3/4); 2009 38(1/2,3/4); 2010 39(1/2,3/4); 2011 40(1/2,3/4); 2012 41(1/2,3/4)
Embrapa Meio Ambiente
1972/2012 1(1/2); 4 (1/2,3/4); 5(1/2,3/4); 6(1/4); 8; 7(1/4); 8(1/4); 9(1/4); 10(1/4); 11(1/4); 12(1/4); 13(1/4); 14(1/4); 15(1/4); 16(1/4); 17(1/4); 18(1/4); 19(1/4); 20(1/4); 21(1/4); 22(1/4); 23(1/4); 24(1/4); 25(1/4); 26(1/4); 27(1/4); 28(1/4); 29(1/4); 30(1/4); 31(1/4); 32(1/4); 33(1/4); 34(1/4); 35(1/2, 3/4); 36(1/4); 37(1/4); 38(1/4); 39(1/4); 40(1/4); 41(1/4)
Embrapa Meio-Norte
1972 1(1/2); 1985-2008 14-38; 2011 40(1-4); 2012 41(1/4)
Classificação: 574.05
Embrapa Trigo
1972/91 1 1972; 2 1973; 3 1974; 4 1975; 5 1976; 6 1977; 7 1978; 8 1979; 9 1980; 10 1981; 11 1982; 12 1983; 13 1984; 14 1985; 15 1986; 16 1987; 18 1989; 19 1990; 20 1991; 28(1-4) 1999.
Classificação: 574.05 |
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