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Registro Completo
Biblioteca(s): |
Embrapa Meio-Norte; Embrapa Roraima. |
Data corrente: |
05/04/2023 |
Data da última atualização: |
05/04/2023 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
C - 0 |
Autoria: |
COSTA, N. de L.; MAGALHAES, J. A.; RODRIGUES, B. H. N.; SANTOS, F. J. de S. |
Afiliação: |
NEWTON DE LUCENA COSTA, CPAF-RR; JOAO AVELAR MAGALHAES, CPAMN; BRAZ HENRIQUE NUNES RODRIGUES, CPAMN; FRANCISCO JOSE DE SEIXAS SANTOS, CPAMN. |
Título: |
Agronomic performance and morphogenic and structural characteristics of Axonopus aureus pastures under phosphate fertilization levels in the Roraima's savannas. |
Ano de publicação: |
2023 |
Fonte/Imprenta: |
Research, Society and Development, v. 12, n. 3, e25312340673, 2023. |
Idioma: |
Inglês |
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. |
Palavras-Chave: |
Green dry matter. |
Thesagro: |
Matéria Seca. |
Thesaurus NAL: |
Leaves; Senescence (aging); Tillering. |
Categoria do assunto: |
X Pesquisa, Tecnologia e Engenharia |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/1153027/1/RSD-Desempenho-agronomico-e-caracteristicas-morfogenicas-e-estruturais-de-pastagens-de-Axonopus-aureus-sob-niveis-de-fertilizacao-fosfatada-nos-cerrados-de-Roraima.pdf
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Marc: |
LEADER 01532naa a2200217 a 4500 001 2153027 005 2023-04-05 008 2023 bl uuuu u00u1 u #d 100 1 $aCOSTA, N. de L. 245 $aAgronomic performance and morphogenic and structural characteristics of Axonopus aureus pastures under phosphate fertilization levels in the Roraima's savannas.$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 $aRODRIGUES, B. H. N. 700 1 $aSANTOS, F. J. de S. 773 $tResearch, Society and Development$gv. 12, n. 3, e25312340673, 2023.
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Embrapa Roraima (CPAF-RR) |
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