2007
DOI: 10.1590/s1413-70542007000600014
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Estado nutricional e características de crescimento do abacaxizeiro 'Jupi' cultivado em latossolo amarelo distrófico em função da adubação com NPK

Abstract: RESUMOObjetivou-se, neste trabalho, avaliar o efeito da aplicação da fórmula 20:05:20 de NPK no crescimento das folhas e frutos e no estado nutricional do abacaxizeiro. Foram utilizadas mudas do tipo filhote do abacaxizeiro Jupi , com peso médio de 250 g, plantadas em vasos contendo 13 dm 3 de Latossolo Amarelo Distrófico. Os tratamentos consistiram de 00; 31; 62; 93 e 124 g de NPK, na proporção de 20:05:20, aplicados em três parcelamentos de 20%, 40% e 40% da dose aos 45, 120 e 240 dias, após o plantio. O del… Show more

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Cited by 14 publications
(18 citation statements)
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“…The increase in K doses linearly decreases leaf contents of N, P, Ca and Mg. This may have happened in this study because the organic sources that provided a greater increase were the sources with less content of N. Coelho et al (2007) opine that the absence of effects on height during the first evaluations and the greater growth in the seventh month after transplantation indicate a slow growth of pineapple seedlings during the early stage of development. Also, according to Teixeira et al (2009), a variable period (between six and eight months) in a greenhouse is necessary for plants to reach 20 to 30 cm, a size suitable for transfer to the field.…”
Section: Resultsmentioning
confidence: 63%
See 1 more Smart Citation
“…The increase in K doses linearly decreases leaf contents of N, P, Ca and Mg. This may have happened in this study because the organic sources that provided a greater increase were the sources with less content of N. Coelho et al (2007) opine that the absence of effects on height during the first evaluations and the greater growth in the seventh month after transplantation indicate a slow growth of pineapple seedlings during the early stage of development. Also, according to Teixeira et al (2009), a variable period (between six and eight months) in a greenhouse is necessary for plants to reach 20 to 30 cm, a size suitable for transfer to the field.…”
Section: Resultsmentioning
confidence: 63%
“…It is very important and even decisive to define the time of transplanting seedlings to the field. Coelho et al (2007) suggest that the absence of effects on height during the first evaluations and the greater growth in the seventh month after transplantation indicate a slow growth of pineapple seedlings during the early stage of development. Mews et al (2015), studying the effects of hydrogel and urea on the production of Handroanthus ochraceus seedlings, found that for plant height and stem diameter the doses that had the highest increase values were between 2 and 4 g both for urea and hydrogel.…”
Section: Resultsmentioning
confidence: 91%
“…Diferentemente disso, Roberto Filho et al (2006) e Coelho et al (2007) puderam observar efeito depressivo dos teores foliares de Mg com incremento da adubação potássica, em abacaxizeiro e gravioleira, o que corrobora os resultados encontrados por Mascarenhas et al, 2000;Carvalho et al, 2001, Oliveira et al, 2001Prado et al, 2004. O alto teor foliar de Mg pode estar relacionado com os elevados teores de Mg encontrados no solo, proporcionando, assim, maior absorção desse nutriente. Santos et al (2004) atribuíram os elevados teores de Mg em coqueiro anão à estreita relação Ca/Mg no solo.…”
Section: Resultsunclassified
“…Entretanto, alguns autores utilizaram parcelas menores: Martins et al (2012), três infrutescências de abacaxi por parcela, Coelho et al (2007) utilizaram cinco infrutescências por parcela.…”
Section: Discussionunclassified
“…Por exemplo, Silva et al (2012), com abacaxi 'Vitória', utilizaram 20 plantas úteis por parcela; por sua vez, Rodrigues et al (2013), com a cultivar Pérola, utilizaram uma parcela útil de 64 plantas. Entretanto, Coelho et al (2007) utilizaram uma parcela de cinco plantas para o abacaxi 'Jupi'. Contudo, pesquisas que definem o tamanho ótimo da parcela para abacaxi são inexistentes na literatura.…”
Section: Introductionunclassified