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1. | | GARCIA FUENTES, L. F.; SOUZA, L. C. F. de; SERRA, A. P.; RECH, J.; VITORINO, A. C. T. Corn agronomic traits and recovery of nitrogen from fertilizer during crop season and off-season. Pesquisa Agropecuária Brasileira, Brasília, DF, v. 53, v. 10, p. 1158-1166, Oct. 2018 Título em português: Características agronômicas do milho e recuperação de nitrogênio do fertilizante durante a safra e a safrinha. Biblioteca(s): Embrapa Gado de Corte. |
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Registros recuperados : 1 | |
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Registro Completo
Biblioteca(s): |
Embrapa Gado de Corte. |
Data corrente: |
03/12/2018 |
Data da última atualização: |
09/01/2019 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
A - 2 |
Autoria: |
GARCIA FUENTES, L. F.; SOUZA, L. C. F. de; SERRA, A. P.; RECH, J.; VITORINO, A. C. T. |
Afiliação: |
Luis Felipe Garcia Fuentes, Universidade Federal da Grande Dourados - UFGD/Faculdade de Agronomia; Luiz Carlos Ferreira de Souza, Universidade Federal da Grande Dourados - UFGD/Faculdade de Agronomia; ADEMAR PEREIRA SERRA, CNPGC; Jerusa Rech, Universidade Federal da Grande Dourados - UFGD/Faculdade de Agronomia; Antonio Carlos Tadeu Vitorino, Universidade Federal da Grande Dourados - UFGD/Faculdade de Agronomia. |
Título: |
Corn agronomic traits and recovery of nitrogen from fertilizer during crop season and off-season. |
Ano de publicação: |
2018 |
Fonte/Imprenta: |
Pesquisa Agropecuária Brasileira, Brasília, DF, v. 53, v. 10, p. 1158-1166, Oct. 2018 |
Idioma: |
Inglês |
Notas: |
Título em português: Características agronômicas do milho e recuperação de nitrogênio do fertilizante durante a safra e a safrinha. |
Conteúdo: |
The objective of this work was to evaluate corn agronomic traits in a cultivation subjected to different N rates, during the fall?winter (off-season) and spring?summer crop seasons, and N recovery from fertilizer. The experiment was set up in a randomized complete block design with four replicates, in a 5x2 factorial arrangement, with the following treatments: five N topdressing rates ? 0, 30, 60, 90, and 120 kg ha-1 ?, using urea as source; and two crop seasons, fall?winter and spring?summer. The following variables were determined: plant height, height of the first ear insertion, number of grains per ear, diameter and length of ear, 1,000-grain weight, N concentration in the leaves and grains, grain-protein concentration, grain yield, N recovery from fertilizer, and soil-N supply. Nitrogen rates in the fertilizer in the fall?winter season had no effect on grain yield, although corn agronomic traits showed a greater reliance on fertilizer-N rates in that season than in the spring?summer, which is a season associated to a greater capacity of soil-N supply to plants. The quantification of soil-N supply enabled knowing the nutrient dynamics during the fall?winter and the spring?summer seasons, which may be useful to guide N fertilization of corn. |
Palavras-Chave: |
De N pelo solo; Manejo da adubação nitrogenada; N-fertilizer management; Nutrição de plantas; Soil-N supply. |
Thesagro: |
Fertilidade do Solo; Zea Mays. |
Thesaurus NAL: |
Plant nutrition; Soil fertility. |
Categoria do assunto: |
-- |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/187582/1/Corn-agronomic-traits.pdf
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Marc: |
LEADER 02294naa a2200289 a 4500 001 2100588 005 2019-01-09 008 2018 bl uuuu u00u1 u #d 100 1 $aGARCIA FUENTES, L. F. 245 $aCorn agronomic traits and recovery of nitrogen from fertilizer during crop season and off-season.$h[electronic resource] 260 $c2018 500 $aTítulo em português: Características agronômicas do milho e recuperação de nitrogênio do fertilizante durante a safra e a safrinha. 520 $aThe objective of this work was to evaluate corn agronomic traits in a cultivation subjected to different N rates, during the fall?winter (off-season) and spring?summer crop seasons, and N recovery from fertilizer. The experiment was set up in a randomized complete block design with four replicates, in a 5x2 factorial arrangement, with the following treatments: five N topdressing rates ? 0, 30, 60, 90, and 120 kg ha-1 ?, using urea as source; and two crop seasons, fall?winter and spring?summer. The following variables were determined: plant height, height of the first ear insertion, number of grains per ear, diameter and length of ear, 1,000-grain weight, N concentration in the leaves and grains, grain-protein concentration, grain yield, N recovery from fertilizer, and soil-N supply. Nitrogen rates in the fertilizer in the fall?winter season had no effect on grain yield, although corn agronomic traits showed a greater reliance on fertilizer-N rates in that season than in the spring?summer, which is a season associated to a greater capacity of soil-N supply to plants. The quantification of soil-N supply enabled knowing the nutrient dynamics during the fall?winter and the spring?summer seasons, which may be useful to guide N fertilization of corn. 650 $aPlant nutrition 650 $aSoil fertility 650 $aFertilidade do Solo 650 $aZea Mays 653 $aDe N pelo solo 653 $aManejo da adubação nitrogenada 653 $aN-fertilizer management 653 $aNutrição de plantas 653 $aSoil-N supply 700 1 $aSOUZA, L. C. F. de 700 1 $aSERRA, A. P. 700 1 $aRECH, J. 700 1 $aVITORINO, A. C. T. 773 $tPesquisa Agropecuária Brasileira, Brasília, DF$gv. 53, v. 10, p. 1158-1166, Oct. 2018
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Embrapa Gado de Corte (CNPGC) |
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