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| Registros recuperados : 3 | |
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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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Circulação/Nível: |
C - 0 |
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Autoria: |
COSTA, N. de L.; MAGALHAES, J. A.; RODRIGUES, B. H. N.; SANTOS, F. J. de S. |
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Afiliação: |
NEWTON DE LUCENA COSTA, CPAF-RR; JOAO AVELAR MAGALHAES, CPAMN; BRAZ HENRIQUE NUNES RODRIGUES, CPAMN; FRANCISCO JOSE DE SEIXAS SANTOS, CPAMN. |
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Título: |
Phosphate fertilization of Mesosetum chaseae in Roraima's savannas. |
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Ano de publicação: |
2023 |
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Fonte/Imprenta: |
Research, Society and Development, v. 12, n. 3, e25412340679, 2023. |
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Idioma: |
Inglês |
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Conteúdo: |
TThe objective of this work was to evaluate the effect of phosphate fertilization (0, 30, 60 and 120 kg of P2O5 ha-1) on forage production and morphogenetic and structural characteristics of Mesosetum chaseae 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 89.17; 112.7; 47.7; 51.9; 102.9; 101.8 and 94.8 kg of P2O5 ha-1, respectively. The efficiency of P utilization was inversely proportional to the P doses applied. |
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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/1153026/1/RSD-Fertilizacao-fosfatada-de-pastagens-de-Mesosetum-chaseae-nos-cerrados-de-Roraima-1.pdf
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Marc: |
LEADER 01440naa a2200205 a 4500
001 2153026
005 2023-04-05
008 2023 bl uuuu u00u1 u #d
100 1 $aCOSTA, N. de L.
245 $aPhosphate fertilization of Mesosetum chaseae in Roraima's savannas.$h[electronic resource]
260 $c2023
520 $aTThe objective of this work was to evaluate the effect of phosphate fertilization (0, 30, 60 and 120 kg of P2O5 ha-1) on forage production and morphogenetic and structural characteristics of Mesosetum chaseae 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 89.17; 112.7; 47.7; 51.9; 102.9; 101.8 and 94.8 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
700 1 $aMAGALHAES, J. A.
700 1 $aRODRIGUES, B. H. N.
700 1 $aSANTOS, F. J. de S.
773 $tResearch, Society and Development$gv. 12, n. 3, e25412340679, 2023.
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Registro original: |
Embrapa Roraima (CPAF-RR) |
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