2007
DOI: 10.1590/s0100-29452007000200033
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Adubação de crescimento de macieira Cv. Catarina sobre porta-enxerto marubakaido em São Joaquim-SC

Abstract: RESUMO -O vigor vegetativo e a capacidade produtiva da macieira são dependentes da adubação de crescimento ou de formação, a qual se baseia no fornecimento de N. A macieira cultivar Catarina, selecionada como resistente à sarna, tem-se mostrado promissora para as regiões de maior altitude do Sul do Brasil, mas, por tratar-se de uma cultivar nova, ainda não existem recomendações de adubação para a formação inicial das plantas. Por essa razão, conduziu-se um experimento com o objetivo de estabelecer a dose de N … Show more

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Cited by 9 publications
(11 citation statements)
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“…'Princesa, and this increase was immediately followed by decay (Figure 1). This result disagrees of those quoted by Nava et al (2007) who verified that apple size is more affected by the number of fruits per plant in relation to the nitrogen fertilizing provided. However, according to Ernani et al (2008), the nitrogen fertilizing in the first forty-five days after flowering, during cell division phase favors fruit growth and, consequently, fruit width, which probably occurred in this study, since at this time all plants had already received two nitrogen fertigations in their respective doses.…”
Section: Results and Dicussioncontrasting
confidence: 99%
“…'Princesa, and this increase was immediately followed by decay (Figure 1). This result disagrees of those quoted by Nava et al (2007) who verified that apple size is more affected by the number of fruits per plant in relation to the nitrogen fertilizing provided. However, according to Ernani et al (2008), the nitrogen fertilizing in the first forty-five days after flowering, during cell division phase favors fruit growth and, consequently, fruit width, which probably occurred in this study, since at this time all plants had already received two nitrogen fertigations in their respective doses.…”
Section: Results and Dicussioncontrasting
confidence: 99%
“…All average values of Fig. 1B from 80 to 160 kg of N ha -1 are compatible to 21.5 g kg -1 reported by Nava et al (2007) and only apple plants fertilized with 40 kg of N ha -1 reached the stated adequate range of supply described by Nachtigall et al (2004).…”
Section: Resultssupporting
confidence: 86%
“…In Brazil, Ernani et al (2000) found no effect of N doses and fertilizing times on apple fruit yield and, explained this result by the high N mineralization rate contained on soil organic matter. On the other way, in experiment performed on a shallow and stony soil Nava and Dechen (2009) obtained a positive result, and Nava et al (2007) concluded that increasing N doses promoted higher fruit mass, fruit yield and number of fruits per plant, maybe caused by a better bud nutrition.…”
Section: Resultsmentioning
confidence: 99%
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“…Número e massa média de frutos O número de frutos por planta foi aumentado pelas doses de camas de aviário e foi dependente dos sistemas de manejo das plantas espontâneas em algumas safras (2000 e 2003), seguindo comportamento similar ao observado para o rendimento de frutos (dados não apresentados). O efeito positivo de doses crescentes de camas de aviário e do sistema de manejo das plantas espontâneas por meio de herbicida está provavelmente relacionado ao aumento da disponibilidade de N que elas promovem, refletindo em maior frutificação (RAESE; DRAKE, 1997;NAVA et al, 2007). A relação C:N (carbono/ nitrogênio) exerce importante efeito na formação de gemas floríferas e na frutificação efetiva.…”
Section: Methodsunclassified