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Registro Completo |
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Biblioteca(s): |
Embrapa Meio-Norte; Embrapa Roraima. |
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Data corrente: |
05/04/2023 |
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Data da última atualização: |
05/04/2023 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
COSTA, N. de L.; MAGALHAES, J. A.; BENDAHAN, A. B.; RODRIGUES, B. H. N.; SANTOS, F. J. de S. |
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Afiliação: |
NEWTON DE LUCENA COSTA, CPAF-RR; JOAO AVELAR MAGALHAES, CPAMN; AMAURY BURLAMAQUI BENDAHAN, CPAF-RR; BRAZ HENRIQUE NUNES RODRIGUES, CPAMN; FRANCISCO JOSE DE SEIXAS SANTOS, CPAMN. |
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Título: |
Effect of phosphate fertilization on forage productivity and morphogenesis of axonopus purpusii pastures in Roraima's savannas. |
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Ano de publicação: |
2023 |
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Fonte/Imprenta: |
RECIMA21, v. 4, n. 3, 2023. |
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Idioma: |
Inglês |
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Conteúdo: |
The effect of phosphate fertilization (0, 30, 60 and 120 kg of P2O5 ha-1) on forage production and morphogenetic and structural characteristics of Axonopus aureus was evaluated under natural field conditions in the savannas of Roraima. Phosphate fertilization positively and significantly (P<0.05) affected green dry matter (GDM) production, absolute growth rate (AGR), number of tillers plant-1, number of leaves tiller-1 (NLT), average leaf size (ALS), leaf tiller area (LTA), appearance rates (LAR), expansion (LER) and leaf senescence rates. The maximum yields of GDM, AGR, LAR, LER, NLT, LTA and ALS were obtained with the application of 110.4; 108.5; 54.1; 83.5; 96.6; 59.8 and 90.6 kg of P2O5 ha-1, respectively. The efficiency of P utilization was inversely proportional to the P doses applied. |
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Palavras-Chave: |
Green dry matter. |
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Thesagro: |
Matéria Seca. |
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Thesaurus Nal: |
Leaves; Senescence (aging); Tillering. |
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Categoria do assunto: |
X Pesquisa, Tecnologia e Engenharia |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/1153028/1/Recima21-EFFECT-OF-PHOSPHATE-FERTILIZATION-ON-FORAGE-PRODUCTIVITY-AND-MORPHOGENESIS-OF-AXONOPUS-PURPUSII-PASTURES-IN-RORAIMAS-SAVANNAS.pdf
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Marc: |
LEADER 01491naa a2200229 a 4500
001 2153028
005 2023-04-05
008 2023 bl uuuu u00u1 u #d
100 1 $aCOSTA, N. de L.
245 $aEffect of phosphate fertilization on forage productivity and morphogenesis of axonopus purpusii pastures in Roraima's savannas.$h[electronic resource]
260 $c2023
520 $aThe effect of phosphate fertilization (0, 30, 60 and 120 kg of P2O5 ha-1) on forage production and morphogenetic and structural characteristics of Axonopus aureus was evaluated under natural field conditions in the savannas of Roraima. Phosphate fertilization positively and significantly (P<0.05) affected green dry matter (GDM) production, absolute growth rate (AGR), number of tillers plant-1, number of leaves tiller-1 (NLT), average leaf size (ALS), leaf tiller area (LTA), appearance rates (LAR), expansion (LER) and leaf senescence rates. The maximum yields of GDM, AGR, LAR, LER, NLT, LTA and ALS were obtained with the application of 110.4; 108.5; 54.1; 83.5; 96.6; 59.8 and 90.6 kg of P2O5 ha-1, respectively. The efficiency of P utilization was inversely proportional to the P doses applied.
650 $aLeaves
650 $aSenescence (aging)
650 $aTillering
650 $aMatéria Seca
653 $aGreen dry matter
700 1 $aMAGALHAES, J. A.
700 1 $aBENDAHAN, A. B.
700 1 $aRODRIGUES, B. H. N.
700 1 $aSANTOS, F. J. de S.
773 $tRECIMA21$gv. 4, n. 3, 2023.
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Registro original: |
Embrapa Roraima (CPAF-RR) |
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