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Registro Completo |
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Biblioteca(s): |
Embrapa Trigo. |
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Data corrente: |
10/01/2010 |
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Data da última atualização: |
23/08/2012 |
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Autoria: |
HUBER, D. M.; WARREN, H. L.; NELSON, D. W.; TSAI, C. Y.; SHANER, G. R. |
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Título: |
Response of winter wheat to inhibiting nitrification of fall-applied nitrogen. |
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Ano de publicação: |
1980 |
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Fonte/Imprenta: |
Agronomy Journal, v. 72, n. 4, p. 632-637, July/Aug, 1980. |
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Idioma: |
Inglês |
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Conteúdo: |
Large overwinter leaching and denitrification losses of fall-applied N are common in many Corn Belt soils cropped to wheat (Triticum aeslivum L.). These losses decrease the utilization efficiency of N fertilizers, lower crop yields and quality, necessitate multiple fertilizer applications, and predispose wheat to several soil-borne diseases. This study was conducted to determine if inhibiting nitrification of fall-applied ammoniacal fertilizers would reduce N losses and be a practical alternative to multiple fertilizer applications in maintaining crop yield, quality, and tolerance to disease. We tested the effectiveness of a specific nitrification inhibitor, Z-chloro-6(trichloromethyl)-pyridine (nitrapyrin), in reducing losses of fall-applied NH4+ sources of N in four Indiana soils of varying texture. The field experiment was conducted over a 5-year period by comparing the growth, disease incidence, grain protein, and yield of wheat in field plots receiving anhydrous ammonia, urea, or ammonium sulfate plus nitrapyrin with wheat production in plots treated with these N sources without the inhibitor. Calcium nitrate was used in some studies to provide a source of N exhibiting high potential for loss. Inorganic N analyses of soil showed that severe loss of N frequently occurring as a result of fall application of N may be markedly reduced by using a nitrification inhibitor. Wheat yields were increased as much as 40% (average increase was 14.7%) as a result of applying 0.55 kg of nitrapyrin/ha with fall-applied NH4+ fertilizers. Yields obtained with fall-applied N plus nitrapyrin were similar to those observed with a split-application (25% fall—75% spring) of N without the inhibitor. Fall application at 44 kg N/ha plus nitrapyrin resulted in yield similar to those with 88 kg N/ha without the inhibitor. Inhibition of nitrification of fall-applied NH4+ also increased protein content, minimized N loss from the up per soil profile, and reduced the severity of fungal root and crown rots. Nitrification inhibitors added to fallapplied NH4+ should provide a practical alternative to multiple fertilizer applications for maintaining the yield, quality, and disease tolerance of wheat grown in the Corn Belt. MenosLarge overwinter leaching and denitrification losses of fall-applied N are common in many Corn Belt soils cropped to wheat (Triticum aeslivum L.). These losses decrease the utilization efficiency of N fertilizers, lower crop yields and quality, necessitate multiple fertilizer applications, and predispose wheat to several soil-borne diseases. This study was conducted to determine if inhibiting nitrification of fall-applied ammoniacal fertilizers would reduce N losses and be a practical alternative to multiple fertilizer applications in maintaining crop yield, quality, and tolerance to disease. We tested the effectiveness of a specific nitrification inhibitor, Z-chloro-6(trichloromethyl)-pyridine (nitrapyrin), in reducing losses of fall-applied NH4+ sources of N in four Indiana soils of varying texture. The field experiment was conducted over a 5-year period by comparing the growth, disease incidence, grain protein, and yield of wheat in field plots receiving anhydrous ammonia, urea, or ammonium sulfate plus nitrapyrin with wheat production in plots treated with these N sources without the inhibitor. Calcium nitrate was used in some studies to provide a source of N exhibiting high potential for loss. Inorganic N analyses of soil showed that severe loss of N frequently occurring as a result of fall application of N may be markedly reduced by using a nitrification inhibitor. Wheat yields were increased as much as 40% (average increase was 14.7%) as a result of applying 0.55 kg o... Mostrar Tudo |
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Thesagro: |
Nitrificação; Nitrogênio; Trigo. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02790naa a2200205 a 4500
001 1840601
005 2012-08-23
008 1980 bl --- 0-- u #d
100 1 $aHUBER, D. M.
245 $aResponse of winter wheat to inhibiting nitrification of fall-applied nitrogen.
260 $c1980
520 $aLarge overwinter leaching and denitrification losses of fall-applied N are common in many Corn Belt soils cropped to wheat (Triticum aeslivum L.). These losses decrease the utilization efficiency of N fertilizers, lower crop yields and quality, necessitate multiple fertilizer applications, and predispose wheat to several soil-borne diseases. This study was conducted to determine if inhibiting nitrification of fall-applied ammoniacal fertilizers would reduce N losses and be a practical alternative to multiple fertilizer applications in maintaining crop yield, quality, and tolerance to disease. We tested the effectiveness of a specific nitrification inhibitor, Z-chloro-6(trichloromethyl)-pyridine (nitrapyrin), in reducing losses of fall-applied NH4+ sources of N in four Indiana soils of varying texture. The field experiment was conducted over a 5-year period by comparing the growth, disease incidence, grain protein, and yield of wheat in field plots receiving anhydrous ammonia, urea, or ammonium sulfate plus nitrapyrin with wheat production in plots treated with these N sources without the inhibitor. Calcium nitrate was used in some studies to provide a source of N exhibiting high potential for loss. Inorganic N analyses of soil showed that severe loss of N frequently occurring as a result of fall application of N may be markedly reduced by using a nitrification inhibitor. Wheat yields were increased as much as 40% (average increase was 14.7%) as a result of applying 0.55 kg of nitrapyrin/ha with fall-applied NH4+ fertilizers. Yields obtained with fall-applied N plus nitrapyrin were similar to those observed with a split-application (25% fall—75% spring) of N without the inhibitor. Fall application at 44 kg N/ha plus nitrapyrin resulted in yield similar to those with 88 kg N/ha without the inhibitor. Inhibition of nitrification of fall-applied NH4+ also increased protein content, minimized N loss from the up per soil profile, and reduced the severity of fungal root and crown rots. Nitrification inhibitors added to fallapplied NH4+ should provide a practical alternative to multiple fertilizer applications for maintaining the yield, quality, and disease tolerance of wheat grown in the Corn Belt.
650 $aNitrificação
650 $aNitrogênio
650 $aTrigo
700 1 $aWARREN, H. L.
700 1 $aNELSON, D. W.
700 1 $aTSAI, C. Y.
700 1 $aSHANER, G. R.
773 $tAgronomy Journal$gv. 72, n. 4, p. 632-637, July/Aug, 1980.
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Embrapa Trigo (CNPT) |
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Biblioteca(s): |
Embrapa Soja. |
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Data corrente: |
01/12/2017 |
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Data da última atualização: |
01/12/2017 |
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Tipo da produção científica: |
Artigo em Anais de Congresso |
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Autoria: |
MOLINARI, M. D. C.; BARBOSA, D. A.; FUGANTI-PAGLIARINI, R.; MARIN, S. R. R.; CARNEIRO, E. A.; QUEIROZ, A. A.; MERTZ-HENNING, L. M.; FARIAS, J. R. B.; NEUMAIER, N.; NEPOMUCENO, A. L. |
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Afiliação: |
UEL; UEL; AUTOR; SILVANA REGINA ROCKENBACH MARIN, CNPSO; UNOPAR; UEL; LILIANE MARCIA MERTZ HENNING, CNPSO; JOSE RENATO BOUCAS FARIAS, CNPSO; NORMAN NEUMAIER, CNPSO; ALEXANDRE LIMA NEPOMUCENO, CNPSO. |
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Título: |
Número de cópias e padrão de segregação em soja geneticamente modificada via Agrobacterium. |
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Ano de publicação: |
2017 |
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Fonte/Imprenta: |
In: REUNIÃO DE PESQUISA DE SOJA, 36., 2017, Londrina, PR. Resumos expandidos... Londrina: Embrapa Soja, 2017. p. 179-181. (Embrapa Soja. Documentos, 388). Editado por Alvadi Antonio Balbinot Junior, Fernando Augusto Henning, Regina Maria Villas Bôas de Campos Leite. |
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Idioma: |
Português |
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Thesagro: |
Organismo transgênico; Soja. |
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Thesaurus NAL: |
Genetically modified organisms; Soybeans. |
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Categoria do assunto: |
X Pesquisa, Tecnologia e Engenharia |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/167932/1/179.pdf
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Marc: |
LEADER 01014nam a2200253 a 4500
001 2081212
005 2017-12-01
008 2017 bl uuuu u00u1 u #d
100 1 $aMOLINARI, M. D. C.
245 $aNúmero de cópias e padrão de segregação em soja geneticamente modificada via Agrobacterium.$h[electronic resource]
260 $aIn: REUNIÃO DE PESQUISA DE SOJA, 36., 2017, Londrina, PR. Resumos expandidos... Londrina: Embrapa Soja, 2017. p. 179-181. (Embrapa Soja. Documentos, 388). Editado por Alvadi Antonio Balbinot Junior, Fernando Augusto Henning, Regina Maria Villas Bôas de Campos Leite.$c2017
650 $aGenetically modified organisms
650 $aSoybeans
650 $aOrganismo transgênico
650 $aSoja
700 1 $aBARBOSA, D. A.
700 1 $aFUGANTI-PAGLIARINI, R.
700 1 $aMARIN, S. R. R.
700 1 $aCARNEIRO, E. A.
700 1 $aQUEIROZ, A. A.
700 1 $aMERTZ-HENNING, L. M.
700 1 $aFARIAS, J. R. B.
700 1 $aNEUMAIER, N.
700 1 $aNEPOMUCENO, A. L.
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