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15. | | SANTOS, D. B. dos; COELHO, E. F.; AZEVEDO, C. A. V. de. Influência de diferentes freqüências de irrigação sobre a distribuição de raízes do porta enxerto citrumelo ´Swingle´ nas condições do semi-árido baiano. Engenharia na Agricultura, Viçosa, MG, v. 12, n. 2, p. 91-104, abr./jun., 2004. Biblioteca(s): Embrapa Mandioca e Fruticultura. |
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19. | | XAVIER, J. de F.; AZEVEDO, C. A. V.; BELTRAO, N. E. de M.; ALBUQUERQUE, R. S. de. Efeitos de águas residuárias de indústrias de campina grande na produção de fitomassa da mamoneira, cultivar BRS nordestina. In: CONGRESSO BRASILEIRO DE MAMONA, 4.; SIMPÓSIO INTERNACIONAL DE OLEAGINOSAS ENERGÉTICAS, 1., 2010, João Pessoa. Inclusão social e energia: anais. Campina Grande: Embrapa Algodão, 2010. Biblioteca(s): Embrapa Algodão. |
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Registro Completo
Biblioteca(s): |
Embrapa Algodão. |
Data corrente: |
02/03/2017 |
Data da última atualização: |
02/03/2017 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
B - 1 |
Autoria: |
LIMA, R. de L. S. de; AZEVEDO, C. A. V. de; GHEYI, H. R.; CAZETTA, J. O.; CARVALHO JÚNIOR, G. S.; ARRIEL, N. H. C. |
Afiliação: |
ROSIANE de LOURDES SILVA de LIMA, UNIVERSIDADE FEDERAL DE CAMPINA GRANDE; CARLOS ALBERTO VIEIRA de AZEVEDO, UNIVERFSIDADE FEDERAL DO RECÔNCAVO BAIANO; HANS RAJ GHEYI, UNIVERSIDADE FEDERAL DO RECÔNCAVO BAIANO; JAIRO OSVALDO CAZETTA, UNESP; GENELÍCIO SOUZA CARVALHO JÚNIOR, UNIVERSIDFADE ESTADUAL DA PARAÍBA; NAIR HELENA CASTRO ARRIEL, CNPA. |
Título: |
Leaf sampling to assess mineral nutrient composition of physic nut plants (Jatropha curcas L.). |
Ano de publicação: |
2016 |
Fonte/Imprenta: |
Australian Journal of Crop Science, v. 10, n. 8, p. 1069-1074, 2016. |
ISSN: |
1835-2707 |
Idioma: |
Inglês |
Conteúdo: |
The physic nut is an important plant for biodiesel production. However, research is still lacking as to the best leaves to be sampled in determining ideal mineral content. It is important that all factors causing variations in the mineral nutrient concentrations in leaves are identified and evaluated to determine the most efficient sampling technique. The positions of the leaves on the branches and on the plant shoot are critical variables affecting leaf composition. Thus, this study aimed to determine the best leaf position for sampling to evaluate the health status of adult physic nut plants. The experiment was conducted in the field, using a 5 × 3 factorial design, with leaves sampled at five positions on the branch (1st, 2nd, 3rd, 4th, and 5th node, from the apex), and three sections of the plant crown (apical, middle, and basal), in a completely randomized design with four replications, and four plants per plot. The concentration of macronutrients (N, P, Ca, Mg, and S) and micronutrients (Cu, Fe, Mn, and Zn) were determined for all samples. The results indicated that the sampling of leaves at the 3rd and 4th node of the flower-bearing branches, located in the middle section of the plant canopy, was the most indicative of the mineral composition of adult jatropha plants. |
Thesagro: |
Jatropha curcas; Mineral. |
Thesaurus NAL: |
biodiesel. |
Categoria do assunto: |
-- |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/156827/1/Leaf-sampling-to-assess-mineral.pdf
|
Marc: |
LEADER 01991naa a2200229 a 4500 001 2065748 005 2017-03-02 008 2016 bl uuuu u00u1 u #d 022 $a1835-2707 100 1 $aLIMA, R. de L. S. de 245 $aLeaf sampling to assess mineral nutrient composition of physic nut plants (Jatropha curcas L.).$h[electronic resource] 260 $c2016 520 $aThe physic nut is an important plant for biodiesel production. However, research is still lacking as to the best leaves to be sampled in determining ideal mineral content. It is important that all factors causing variations in the mineral nutrient concentrations in leaves are identified and evaluated to determine the most efficient sampling technique. The positions of the leaves on the branches and on the plant shoot are critical variables affecting leaf composition. Thus, this study aimed to determine the best leaf position for sampling to evaluate the health status of adult physic nut plants. The experiment was conducted in the field, using a 5 × 3 factorial design, with leaves sampled at five positions on the branch (1st, 2nd, 3rd, 4th, and 5th node, from the apex), and three sections of the plant crown (apical, middle, and basal), in a completely randomized design with four replications, and four plants per plot. The concentration of macronutrients (N, P, Ca, Mg, and S) and micronutrients (Cu, Fe, Mn, and Zn) were determined for all samples. The results indicated that the sampling of leaves at the 3rd and 4th node of the flower-bearing branches, located in the middle section of the plant canopy, was the most indicative of the mineral composition of adult jatropha plants. 650 $abiodiesel 650 $aJatropha curcas 650 $aMineral 700 1 $aAZEVEDO, C. A. V. de 700 1 $aGHEYI, H. R. 700 1 $aCAZETTA, J. O. 700 1 $aCARVALHO JÚNIOR, G. S. 700 1 $aARRIEL, N. H. C. 773 $tAustralian Journal of Crop Science$gv. 10, n. 8, p. 1069-1074, 2016.
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Embrapa Algodão (CNPA) |
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