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Registro Completo |
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Biblioteca(s): |
Embrapa Agrobiologia; Embrapa Meio-Norte. |
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Data corrente: |
27/06/1995 |
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Data da última atualização: |
10/12/2009 |
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Autoria: |
ELOWAD, H. O. A.; HALL, A. E. |
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Título: |
Influences of early and late nitrogen fertilization on yield and nitrogen fixation of cowpea under well-watered and dry field conditions. |
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Ano de publicação: |
1987 |
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Fonte/Imprenta: |
Field Crops Research, v. 15, n. 3/4, p. 229-244, 1987. |
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Idioma: |
Inglês
Português |
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Conteúdo: |
Influences of nitrogen fertilization on grain yield and nitrogen fixation of cowpea (Vigna unguigulata (L.) Walp. cv. 'California Blackeye no.5') were studied under well-watered and dry field conditions. The soil was an Arlington fine sandy loam. Nitrogen fertilization treatments involved applications to the soil either at sowing or early flowering, and foliar applications during pod filling, of 60 kg N/ha. Similar relative yield responses to fertilizer treatments were observed with cowpea subjected to both well-watered conditions and late drought. Nitrogen application at sowing had little effect on grain yield or N fixation from 45 days to the end of the season, whereas later applications to the soil or foliage substantially increased grain yield. |
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Palavras-Chave: |
CAUPI; Cowpea; Fertilização; Fertilization; VARIACAO ONTOGENICA. |
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Thesagro: |
Crescimento; Fertilizante Nitrogenado; Nitrogênio; Produção; Umidade; Vigna Unguiculata. |
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Thesaurus Nal: |
nitrogen. |
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Categoria do assunto: |
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Marc: |
LEADER 01553naa a2200277 a 4500
001 1056481
005 2009-12-10
008 1987 bl --- 0-- u #d
100 1 $aELOWAD, H. O. A.
245 $aInfluences of early and late nitrogen fertilization on yield and nitrogen fixation of cowpea under well-watered and dry field conditions.
260 $c1987
520 $aInfluences of nitrogen fertilization on grain yield and nitrogen fixation of cowpea (Vigna unguigulata (L.) Walp. cv. 'California Blackeye no.5') were studied under well-watered and dry field conditions. The soil was an Arlington fine sandy loam. Nitrogen fertilization treatments involved applications to the soil either at sowing or early flowering, and foliar applications during pod filling, of 60 kg N/ha. Similar relative yield responses to fertilizer treatments were observed with cowpea subjected to both well-watered conditions and late drought. Nitrogen application at sowing had little effect on grain yield or N fixation from 45 days to the end of the season, whereas later applications to the soil or foliage substantially increased grain yield.
650 $anitrogen
650 $aCrescimento
650 $aFertilizante Nitrogenado
650 $aNitrogênio
650 $aProdução
650 $aUmidade
650 $aVigna Unguiculata
653 $aCAUPI
653 $aCowpea
653 $aFertilização
653 $aFertilization
653 $aVARIACAO ONTOGENICA
700 1 $aHALL, A. E.
773 $tField Crops Research$gv. 15, n. 3/4, p. 229-244, 1987.
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Registro original: |
Embrapa Meio-Norte (CPAMN) |
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