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| Registros recuperados : 330 | |
| 18. |  | MARTINS, E. de S.; BRAGA, A. R. dos S. Cartografia de paisagens do bioma cerrado e funcionamento de solos representativos. In: MOSTRA DE RESULTADOS DE PESQUISA DOS PROJETOS FINALIZADOS EM 2006 E 2007, 2., 2009, Planaltina, DF. [Anais...]. Planaltina, DF: Embrapa Cerrados, 2009. p. 86-93. (Embrapa Cerrados. Documentos, 244). Editores técnicos Eduardo Cyrino de Oliveira-Filho, Fernando Antônio Macena da Silva, Maria Lucia Meirelles, Eduardo Alano Vieira, Geraldo Bueno Martha Junior, Arminda Moreira de Carvalho, José Carlos Sousa e Silva, CPAC.| Biblioteca(s): Embrapa Cerrados. |
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Registro Completo
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Biblioteca(s): |
Embrapa Cerrados. |
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Data corrente: |
22/11/2021 |
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Data da última atualização: |
22/11/2021 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 1 |
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Autoria: |
LOPES, V. A.; WEI, M. C. F.; CARDOSO, T. M.; MARTINS, E. de S.; CASAGRANDE, J. C.; MARIANO, E. D. |
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Afiliação: |
VALÉRIA ADRIELE LOPES; MARCELO CHAN FU WEI; TAINÁ MARTINS CARDOSO; EDER DE SOUZA MARTINS, CPAC; JOSÉ CARLOS CASAGRANDE; EDUARDO DAL AVA MARIANO. |
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Título: |
Phosphorus acquisition from phosphate rock by soil cover crops, maize, and a buckwheat?maize cropping system. |
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Ano de publicação: |
2022 |
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Fonte/Imprenta: |
Scientia Agricola, v. 79, n. 4, e20200319, 2022. |
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Idioma: |
Inglês |
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Conteúdo: |
ABSTRACT: Alternatives to enhance the consensual low phosphorus (P) use efficiency of agriculture may include use of phosphate rock (PR) and plant species with unequal ability to get soil and rock P interplanted in cropping systems to allow plants with higher ability to facilitate access to P of plants with lower ability. This study investigated (i) the maize and three soil cover crops on their capacity to acquire P from PR and (ii) measured P acquisition of maize interplanted with the soil cover crop with the highest capacity to acquire P shown in (i). Experiments were carried out in a greenhouse, with plants grown in single and mixed cropping in pots containing a sandy, low?P soil amended with Monocalcium Phosphate (McP) or the Brazilian PR Itafós. Plant biomass production with PR, in relation to McP, was 83.7 % for buckwheat, 83.6 % for forage radish, 51.8 % for maize, and 0.3 % for pigeon pea. Buckwheat showed capacity of acquiring P from PR; nevertheless, it did not increase growth or P nutrition of maize interplanted in the soil amended with PR, showing no significant P facilitation. The soil amended with McP showed competition between the two plants in the pots. Maize had a greater growth in mixed than in single cropping and this occurred at the expenses of buckwheat. Despite the P mobilization potential of buckwheat, its simple interplanting with maize did not produce positive results. |
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Palavras-Chave: |
Competição; Consórcio; Facilitação. |
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Thesagro: |
Fósforo. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/227977/1/Eder-Phosphorus-acqusition.pdf
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Marc: |
LEADER 02091naa a2200229 a 4500
001 2136400
005 2021-11-22
008 2022 bl uuuu u00u1 u #d
100 1 $aLOPES, V. A.
245 $aPhosphorus acquisition from phosphate rock by soil cover crops, maize, and a buckwheat?maize cropping system.$h[electronic resource]
260 $c2022
520 $aABSTRACT: Alternatives to enhance the consensual low phosphorus (P) use efficiency of agriculture may include use of phosphate rock (PR) and plant species with unequal ability to get soil and rock P interplanted in cropping systems to allow plants with higher ability to facilitate access to P of plants with lower ability. This study investigated (i) the maize and three soil cover crops on their capacity to acquire P from PR and (ii) measured P acquisition of maize interplanted with the soil cover crop with the highest capacity to acquire P shown in (i). Experiments were carried out in a greenhouse, with plants grown in single and mixed cropping in pots containing a sandy, low?P soil amended with Monocalcium Phosphate (McP) or the Brazilian PR Itafós. Plant biomass production with PR, in relation to McP, was 83.7 % for buckwheat, 83.6 % for forage radish, 51.8 % for maize, and 0.3 % for pigeon pea. Buckwheat showed capacity of acquiring P from PR; nevertheless, it did not increase growth or P nutrition of maize interplanted in the soil amended with PR, showing no significant P facilitation. The soil amended with McP showed competition between the two plants in the pots. Maize had a greater growth in mixed than in single cropping and this occurred at the expenses of buckwheat. Despite the P mobilization potential of buckwheat, its simple interplanting with maize did not produce positive results.
650 $aFósforo
653 $aCompetição
653 $aConsórcio
653 $aFacilitação
700 1 $aWEI, M. C. F.
700 1 $aCARDOSO, T. M.
700 1 $aMARTINS, E. de S.
700 1 $aCASAGRANDE, J. C.
700 1 $aMARIANO, E. D.
773 $tScientia Agricola$gv. 79, n. 4, e20200319, 2022.
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