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Registro Completo
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Biblioteca(s): |
Embrapa Pecuária Sudeste. |
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Data corrente: |
08/11/2021 |
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Data da última atualização: |
09/01/2024 |
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Tipo da produção científica: |
Artigo em Anais de Congresso |
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Autoria: |
BERNARDI, A. C. de C.; MENEGAZZO, L. P.; VALE, F. |
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Afiliação: |
ALBERTO CARLOS DE CAMPOS BERNARDI, CPPSE; LUCAS PERASSOLI MENEGAZZO, UNICEP; FÁBIO VALE, IPI. |
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Título: |
Corn and grass integrated system fertilized with multiple nutrients source. |
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Ano de publicação: |
2021 |
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Fonte/Imprenta: |
In: WORLD CONGRESS ON INTEGRATED CROP-LIVESTOCK-FORESTRY SYSTEMS, 2., 2021. Proceedings reference... Brasília, DF: Embrapa, 2021. |
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Páginas: |
p. 578-584. |
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Idioma: |
Inglês |
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Conteúdo: |
Providing an adequate nutrients supply is important for high yields in crop-livestock integrated systems (CLIS). This research aims to evaluate K sources fertilizer's effect on corn Piatã grass yield and nutritional status in the CLFIS. A two-growing season field experiment was carried out in a Typic Hapludox. The CLFIS was sown with corn together with Piatã grass. Treatments comprised two K sources: polyhalite (14%-K2O, 19%-S, 3.6%-Mg, and 12.1%-Ca), and KCl (60% K2O) and five ratios of polyhalite: KCl (0:100%; 12.5:87.5%; 50:50%; 87.5:12.5%; 100%) and a control. The treatments were applied in the sowing and topdressing fertilization of corn. Piatã grass used residual soil fertilization for growth. The best results of corn dry matter yield and Piatã grass were obtained with polyhalite ratios. These values were significantly (p<0.05) higher than the best yield obtained in control (without fertilization). The treatments were also efficient in increasing S in soil and exporting K, Mg, and S by corn. This study showed polyhalite as an alternative source of K, Ca, Mg, and S and can meet the nutritional requirements of annual crops and pastures in a CLIFS. |
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Palavras-Chave: |
ILPF. |
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Thesagro: |
Zea Mays. |
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Thesaurus NAL: |
Polyhalite; Urochloa brizantha. |
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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/227497/1/CornGrassIntegrated.pdf
|
|
Marc: |
LEADER 01807nam a2200193 a 4500
001 2135883
005 2024-01-09
008 2021 bl uuuu u00u1 u #d
100 1 $aBERNARDI, A. C. de C.
245 $aCorn and grass integrated system fertilized with multiple nutrients source.$h[electronic resource]
260 $aIn: WORLD CONGRESS ON INTEGRATED CROP-LIVESTOCK-FORESTRY SYSTEMS, 2., 2021. Proceedings reference... Brasília, DF: Embrapa$c2021
300 $ap. 578-584.
520 $aProviding an adequate nutrients supply is important for high yields in crop-livestock integrated systems (CLIS). This research aims to evaluate K sources fertilizer's effect on corn Piatã grass yield and nutritional status in the CLFIS. A two-growing season field experiment was carried out in a Typic Hapludox. The CLFIS was sown with corn together with Piatã grass. Treatments comprised two K sources: polyhalite (14%-K2O, 19%-S, 3.6%-Mg, and 12.1%-Ca), and KCl (60% K2O) and five ratios of polyhalite: KCl (0:100%; 12.5:87.5%; 50:50%; 87.5:12.5%; 100%) and a control. The treatments were applied in the sowing and topdressing fertilization of corn. Piatã grass used residual soil fertilization for growth. The best results of corn dry matter yield and Piatã grass were obtained with polyhalite ratios. These values were significantly (p<0.05) higher than the best yield obtained in control (without fertilization). The treatments were also efficient in increasing S in soil and exporting K, Mg, and S by corn. This study showed polyhalite as an alternative source of K, Ca, Mg, and S and can meet the nutritional requirements of annual crops and pastures in a CLIFS.
650 $aPolyhalite
650 $aUrochloa brizantha
650 $aZea Mays
653 $aILPF
700 1 $aMENEGAZZO, L. P.
700 1 $aVALE, F.
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Embrapa Pecuária Sudeste (CPPSE) |
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