2009
DOI: 10.1590/s0006-87052009000200023
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Nitrogênio e potássio na produtividade e qualidade da bananeira cultivar Thap Maeo

Abstract: O experimento foi realizado em Latossolo Amarelo distrófico da Amazônia Central e teve por objetivo verificar o efeito de doses nitrogênio e de potássio sobre a produtividade e a qualidade dos frutos da bananeira cultivar Thap Maeo (triplóide - AAB). O delineamento experimental utilizado foi o de blocos casualizados em esquema fatorial 3x4, com os seguintes tratamentos: três doses de N (0, 267 e 534 kg ha-1 ciclo - fonte: uréia) e quatro doses de K2O (200, 800, 1600 e 2400 kg ha-1 ciclo - fonte: cloreto de pot… Show more

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Cited by 6 publications
(2 citation statements)
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“…Likewise, for the K content, there were differences (P<0.05) between the control seedlings compared to the two nitrogen fertilization treatments, with the highest K values quantified from leaves of control seedlings ( Figure 5B). These results also agree with those from Moreira et al (2009) who verified an inverse interaction between N and K. Corroborating this statement it was observed that when there is a supply of N, there is a dilution in the K + in the plant, since the two nutrients are not competing in absorption, but in the presence of an increase in potency in the absorption of NH 4 + , a result observed in the highest value of K in plants that did not receive nitrogen fertilization ( Figure 5B).…”
Section: -7supporting
confidence: 92%
“…Likewise, for the K content, there were differences (P<0.05) between the control seedlings compared to the two nitrogen fertilization treatments, with the highest K values quantified from leaves of control seedlings ( Figure 5B). These results also agree with those from Moreira et al (2009) who verified an inverse interaction between N and K. Corroborating this statement it was observed that when there is a supply of N, there is a dilution in the K + in the plant, since the two nutrients are not competing in absorption, but in the presence of an increase in potency in the absorption of NH 4 + , a result observed in the highest value of K in plants that did not receive nitrogen fertilization ( Figure 5B).…”
Section: -7supporting
confidence: 92%
“…Considerando que plantas de bananeira apresentam um rápido crescimento e acumulam grandes quantidades de nutrientes, a nutrição destaca-se de forma decisiva para obtenção de altos rendimentos (HOFFMAN et al, 2007;SOARES et al, 2008 Como o suprimento nutricional adequado é um fator decisivo para obter-se elevadas produtividades, Moreira, et al, (2009) e Melo, et al, (2006) Para obter a lâmina de irrigação aplicada (LIA) em mm, em função dos volumes de água aplicados (Tabela 2), utilizou-se a seguinte equação: .…”
Section: Introductionunclassified