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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Desempenho agronômico a acúmulo de nutrientes pela planta de jambu / Agronomic performance to accumulation of nutrients by the jambu plant

Souto, Gilberta Carneiro 15 December 2016 (has links)
Submitted by Socorro Pontes (socorrop@ufersa.edu.br) on 2017-07-06T14:07:15Z No. of bitstreams: 1 GilbertaCS_TESE.pdf: 1066935 bytes, checksum: 8520fe73f033ea58ad6602542b23c184 (MD5) / Approved for entry into archive by Vanessa Christiane (referencia@ufersa.edu.br) on 2017-07-18T15:04:42Z (GMT) No. of bitstreams: 1 GilbertaCS_TESE.pdf: 1066935 bytes, checksum: 8520fe73f033ea58ad6602542b23c184 (MD5) / Made available in DSpace on 2017-07-18T15:06:33Z (GMT). No. of bitstreams: 1 GilbertaCS_TESE.pdf: 1066935 bytes, checksum: 8520fe73f033ea58ad6602542b23c184 (MD5) Previous issue date: 2016-12-15 / Coordenação de Aperfeiçoamento de Pessoal de Nível Superior / Jambu is a species from the Northern region of Brazil, where it is widely used in food as a seasoning in typical regional dishes and in folk medicine. The objective of this work was to evaluate the effect of organic fertilizer doses on agronomic performance, nutrient accumulation gait and nutritional demand for jambu. The experiments were carried out in the didactic garden of the Federal Institute of Pará, campus Castanhal, during the periods of January and February of 2015 and of May and June of 2015, in soil classified as Yellow Latosol, dystrophic, of medium texture. The treatments consisted of the combination of two accessions of jambu (Purple Flower and Yellow Flower) and six doses of organic fertilizer (0, 2, 4, 6, 8, and 10 kg m-2). The experimental design was in randomized blocks, in a 2 x 6 factorial scheme, with four replications. The best agronomic performance of the jambu was obtained with the application of 10 kg m-2 of the organic fertilizer, with higher productivity in the cultivation carried out from May to June 2015. The access Yellow flower was more productive in relation to the Purple flower. The access Yellow flower was more productive in relation to the Purple flower. The decreasing order of nutrients accumulated by the jambu plant was potassium> nitrogen> calcium> magnesium> phosphorus, with period of higher growth and nutrient demand from 18 to 34 days after transplanting (DAT) for access 'Purple flower' and 26 To 42 DAT for 'Yellow Flower' / O jambu é uma espécie da região Norte do Brasil, onde é largamente utilizada na alimentação como tempero em pratos típicos regionais e na medicina popular. O presente trabalho teve como objetivo avaliar o efeito de doses de adubo orgânico no desempenho agronômico, na marcha de acúmulo de nutrientes e na demanda nutricional de acessos de jambu. Os experimentos foram conduzidos na horta didática do Instituto Federal do Pará, campus Castanhal, nos períodos de janeiro e fevereiro de 2015 e de maio e junho de 2015, em solo classificado como Latossolo amarelo, distrófico, de textura média. Os tratamentos consistiram da combinação de dois acessos de jambu (Flor roxa e Flor amarela) e seis doses de adubo orgânico (0, 2, 4, 6, 8, e 10 kgm-2). O delineamento experimental foi em blocos casualizados, em esquema fatorial 2 x 6, com quatro repetições. O melhor desempenho agronômico do jambu foi obtido com a aplicação de 10 kg m-2 do adubo orgânico, com maior produtividade no cultivo realizado de maio a junho de 2015. O acesso Flor amarelo foi mais produtivo em relação ao Flor roxa. A ordem decrescente dos nutrientes acumulados pela planta de jambu foi potássio > nitrogênio > cálcio > magnésio > fósforo, com período de maior crescimento e demanda de nutrientes de 18 a 34 dias após o transplantio (DAT) para o acesso ‘Flor roxa’ e 26 a 42 DAT para ‘Flor amarela / 2017-07-06

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