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 | Acesso ao texto completo restrito à biblioteca da Embrapa Arroz e Feijão. Para informações adicionais entre em contato com cnpaf.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Arroz e Feijão. |
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Data corrente: |
08/01/2018 |
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Data da última atualização: |
03/04/2025 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
MORO, E.; CRUSCIOL, C. A. C.; NASCENTE, A. S.; CANTARELLA, H.; BROETTO, F.; MORO, A. L. |
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Afiliação: |
EDEMAR MORO, UNOESTE; CARLOS ALEXANDRE COSTA CRUSCIOL, UNESP, Botucatu-SP; ADRIANO STEPHAN NASCENTE, CNPAF; HEITOR CANTARELLA, IAC; FERNANDO BROETTO, UNESP, Botucatu-SP; ADRIANA LIMA MORO, UNOESTE. |
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Título: |
Nitrate reductase, micronutrients and upland rice development as influenced by soil pH and nitrogen sources. |
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Ano de publicação: |
2017 |
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Fonte/Imprenta: |
Communications in Soil Science and Plant Analysis, v. 48, n. 22 p. 2642-2651, 2017. |
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DOI: |
10.1080/00103624.2017.1416137 |
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Idioma: |
Inglês |
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Conteúdo: |
The average yield of upland rice under no-tillage system (NTS), a sustainable soil management, is lower than in conventional tillage (one plowing and two disking). One of the reasons given for this drop in crop grain yield would be the low-nitrate assimilation capacity of rice seedlings, due to the low activity of the nitrate reductase (NR) enzyme in the early development phase. A greenhouse experiment was conducted to evaluate the effects of the soil acidic and nitrogen source in the micronutrient concentrations, NR activity and grain yield of upland rice growing under NTS. The soil used in the experiment was an Oxisol. The experimental design was completely randomized in a factorial 3 × 4. Treatments consisted of three levels of soil acidity (high, medium, and low) combined with four nitrogen sources (nitrate, ammonium, ammonium + nitrification inhibitor, and control ? without N fertilization). The reduction of soil acidity reduced the concentration of zinc and manganese in rice plants. Generally, the activity of the NR enzyme was higher in plants grown in soils with low acidity and fertilized with calcium nitrate. There was a greater response in growth and yield in rice plants grown in soils with high acidity. Under medium acidity, rice plants grown with ammonium sulfate were more productive (no differences were detected with the addition of the nitrification inhibitor). |
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Palavras-Chave: |
Ammonium; Soil acidity. |
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Thesagro: |
Acidez do solo; Arroz; Fertilidade do solo; Microelemento; Nitrato redutase; Nitrogênio; Oryza sativa; PH. |
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Thesaurus Nal: |
Nitrate reductase; Nitrates; Rice; Soil fertility; Yields. |
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Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
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Marc: |
LEADER 02451naa a2200373 a 4500
001 2084488
005 2025-04-03
008 2017 bl uuuu u00u1 u #d
024 7 $a10.1080/00103624.2017.1416137$2DOI
100 1 $aMORO, E.
245 $aNitrate reductase, micronutrients and upland rice development as influenced by soil pH and nitrogen sources.$h[electronic resource]
260 $c2017
520 $aThe average yield of upland rice under no-tillage system (NTS), a sustainable soil management, is lower than in conventional tillage (one plowing and two disking). One of the reasons given for this drop in crop grain yield would be the low-nitrate assimilation capacity of rice seedlings, due to the low activity of the nitrate reductase (NR) enzyme in the early development phase. A greenhouse experiment was conducted to evaluate the effects of the soil acidic and nitrogen source in the micronutrient concentrations, NR activity and grain yield of upland rice growing under NTS. The soil used in the experiment was an Oxisol. The experimental design was completely randomized in a factorial 3 × 4. Treatments consisted of three levels of soil acidity (high, medium, and low) combined with four nitrogen sources (nitrate, ammonium, ammonium + nitrification inhibitor, and control ? without N fertilization). The reduction of soil acidity reduced the concentration of zinc and manganese in rice plants. Generally, the activity of the NR enzyme was higher in plants grown in soils with low acidity and fertilized with calcium nitrate. There was a greater response in growth and yield in rice plants grown in soils with high acidity. Under medium acidity, rice plants grown with ammonium sulfate were more productive (no differences were detected with the addition of the nitrification inhibitor).
650 $aNitrate reductase
650 $aNitrates
650 $aRice
650 $aSoil fertility
650 $aYields
650 $aAcidez do solo
650 $aArroz
650 $aFertilidade do solo
650 $aMicroelemento
650 $aNitrato redutase
650 $aNitrogênio
650 $aOryza sativa
650 $aPH
653 $aAmmonium
653 $aSoil acidity
700 1 $aCRUSCIOL, C. A. C.
700 1 $aNASCENTE, A. S.
700 1 $aCANTARELLA, H.
700 1 $aBROETTO, F.
700 1 $aMORO, A. L.
773 $tCommunications in Soil Science and Plant Analysis$gv. 48, n. 22 p. 2642-2651, 2017.
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| 1. |  | TOMICH, T. R. Qualidade na produção de silagens. In: SIMPÓSIO MINEIRO, 6.; SIMPÓSIO NACIONAL SOBRE NUTRIÇÃO DE GADO DE LEITE, 1., 2012, Belo Horizonte. Anais... Belo Horizonte: [s.n], 2012. p. 87-115| Tipo: Artigo em Anais de Congresso |
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