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Estudos sôbre alimentação mineral do cafeeiro.: VII. Interação entre fósforo e ferro em cafeeiro (Coffe arabica L., var. Caturra KMC) cultivado em solução nutritiva

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dc.contributor.author Menard, Louiz Neptune
dc.contributor.author Malavolta, E.
dc.date.accessioned 2023-04-10T10:35:02Z
dc.date.available 2023-04-10T10:35:02Z
dc.date.issued 1962-02-02
dc.identifier.citation MENARD, Louiz Neptune; MALAVOLTA, E. Estudos sôbre alimentação mineral do cafeeiro.: VII. Interação entre fósforo e ferro em cafeeiro (Coffe arabica L., var. Caturra KMC) cultivado em solução nutritiva. Anais da Escola Superior de Agricultura Luiz de Queiroz, Piracicaba, v. 19, p. 23-33, 02 fev. 1962. Disponível em: https://www.scielo.br/j/aesalq/a/Vkj5V9rFpq3BWjSKBmqrcPd/?lang=pt. Acesso em: 23 jan. 2023. pt_BR
dc.identifier.issn 2316-8935
dc.identifier.uri https://doi.org/10.1590/S0071-12761962000100002 pt_BR
dc.identifier.uri http://www.sbicafe.ufv.br/handle/123456789/13780
dc.description.abstract The present work was carried out in order to study: 1 - The effect of several levels of P and Fe on the chemical composition of young coffee plants (Coffea arabica L., var. Caturra, KMC); 2 - The influence of P and Fe in the up take of N, K, Ca, and Mg as revealed by the chemical analyses of coffee tissues. Five treatments with two replicates were used, namely: 1 - Control - plants grown in the solution 2 of HOAGLAND & ARNON (1950); 2 - Omission of P; 3 - 310 p. p.m. of P; 4 - Omission of Fe; 5-28 p. p.m. of Fe. The experiment was carried out in the grenhouse, the pH of the different solutions being kept between 5. 0 and 5. 5; aeration was provided to the solutions. The following conclusions wen drawn: 1 - When P was omitted from the nutrient solution, there was an increase in N, K and Fe content of the plant as compared to the levels found in control plants; 2 - Raising the P level in the substrate brought about an apparent luxury consumption of this element as well as an increase in plant Mg; 3 - High P in the nutrient solution on the other hand, decreased Fe up take but increased the K content; 4 - K content was even higher in plants corresponding to the excess Fe treatment; 5 - A very high P content was found in the roots from the excess Fe treatment, this suggesting the formation of ferric phosphate in those organs; 6 - The control plants had less Fe than those corresponding to the minus Fe treatment. pt_BR
dc.format pdf pt_BR
dc.language.iso pt_BR pt_BR
dc.publisher Universidade de São Paulo, Escola Superior de Agricultura pt_BR
dc.relation.ispartofseries An. Esc. Super. Agric. Luiz de Queiroz;v. 19, p. 23-33, 1962;
dc.rights Open Access pt_BR
dc.subject Efeitos do fósforo e do ferro sobre a composição química do cafeeiro pt_BR
dc.subject interdependência de nutrientes pt_BR
dc.subject nitrogênio, o potássio, o cálcio e o magnésio no crescimento e na composição química da planta pt_BR
dc.subject.classification Cafeicultura::Solos e nutrição do cafeeiro pt_BR
dc.title Estudos sôbre alimentação mineral do cafeeiro.: VII. Interação entre fósforo e ferro em cafeeiro (Coffe arabica L., var. Caturra KMC) cultivado em solução nutritiva pt_BR
dc.type Artigo pt_BR

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