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 | Acesso ao texto completo restrito à biblioteca da Embrapa Soja. Para informações adicionais entre em contato com valeria.cardoso@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Soja. |
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Data corrente: |
26/11/1992 |
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Data da última atualização: |
29/10/2004 |
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Autoria: |
SFREDO, G. J; SARRUGE, J. R.; CAMPO, R. J. |
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Afiliação: |
EMBRAPA-CNPSo. Londrina, PR. |
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Título: |
Dry matter production and macronutrients concentration in two cultivars of sunflower (Helianthus annuus L.) under field conditions. |
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Ano de publicação: |
1985 |
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Fonte/Imprenta: |
In: CONFERENCIA INTERNACIONAL DE GIRASOL, 11., 1985, Mar del Plata. Actas... Mar del Plata: ASAGIR/ISA, 1985. |
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Volume: |
t.1 |
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Páginas: |
p.183-188. |
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Idioma: |
Inglês |
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Conteúdo: |
In order to study the dry matter production and macronutrients concentration in different plant parts during the growth of sunflower plants, a field experiment was carried out at the Centro Nacional de Pesquisa de Soja/EMBRAPA, Londrina, PR, Brazil. The plants were grown in a Latossol Roxo eutrofico (Eutrustox). Six fertilizer levels were used: 0-0-0; 1-1-1; 2-1-1; 1-2-1; 2-0-0; (NPK), being 0 = 0; 1 = 45 kg/ha; 2 = 90 kg/ha (N1P205, K2O), with four replications. For the achenes and receptacles the maximum accumulation occurs at 90 days after emergence. The authors concluded: the highest rate of growth occurred at 56 days and the maximum dry matter production at 75 days after the emergence for leaves and stems. Among these treatments was chosen the one which gave the highest yield (level 0-0-0) for study the dry matter accumulation and the macronutrients concentration. The lowest concentration of the nutrients occurred near the period of maximum dry matter production (80 days). For foliar diagnosis the following levels may be used: N = 3.30%; P = 0.39%; K = 3.16%; Ca = 2.73%; Mg = 0.59%, and S = 0.16%. |
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Palavras-Chave: |
Brasil; Cultivar; Dry matter; Macronutrient; Macronutriente; Parana; Sunflower; Variety. |
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Thesagro: |
Girassol; Helianthus Annuus; Matéria Seca. |
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Thesaurus NAL: |
Brazil. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02015naa a2200313 a 4500
001 1454707
005 2004-10-29
008 1985 bl uuuu u00u1 u #d
100 1 $aSFREDO, G. J
245 $aDry matter production and macronutrients concentration in two cultivars of sunflower (Helianthus annuus L.) under field conditions.
260 $c1985
300 $ap.183-188. t.1
490 $vt.1
520 $aIn order to study the dry matter production and macronutrients concentration in different plant parts during the growth of sunflower plants, a field experiment was carried out at the Centro Nacional de Pesquisa de Soja/EMBRAPA, Londrina, PR, Brazil. The plants were grown in a Latossol Roxo eutrofico (Eutrustox). Six fertilizer levels were used: 0-0-0; 1-1-1; 2-1-1; 1-2-1; 2-0-0; (NPK), being 0 = 0; 1 = 45 kg/ha; 2 = 90 kg/ha (N1P205, K2O), with four replications. For the achenes and receptacles the maximum accumulation occurs at 90 days after emergence. The authors concluded: the highest rate of growth occurred at 56 days and the maximum dry matter production at 75 days after the emergence for leaves and stems. Among these treatments was chosen the one which gave the highest yield (level 0-0-0) for study the dry matter accumulation and the macronutrients concentration. The lowest concentration of the nutrients occurred near the period of maximum dry matter production (80 days). For foliar diagnosis the following levels may be used: N = 3.30%; P = 0.39%; K = 3.16%; Ca = 2.73%; Mg = 0.59%, and S = 0.16%.
650 $aBrazil
650 $aGirassol
650 $aHelianthus Annuus
650 $aMatéria Seca
653 $aBrasil
653 $aCultivar
653 $aDry matter
653 $aMacronutrient
653 $aMacronutriente
653 $aParana
653 $aSunflower
653 $aVariety
700 1 $aSARRUGE, J. R.
700 1 $aCAMPO, R. J.
773 $tIn: CONFERENCIA INTERNACIONAL DE GIRASOL, 11., 1985, Mar del Plata. Actas... Mar del Plata: ASAGIR/ISA, 1985.
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