2014
DOI: 10.1590/01047760201420031220
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Crescimento de Jacarandá-da-Bahia (Dalbergia nigra((Vell.) Fr. All. ex Benth)) sob diferentes doses de NPK

Abstract: O uso de mudas bem nutridas e de qualidade, é um dos fatores que contribui para o sucesso da implantação de plantios florestais. Neste estudo, objetivou-se verificar por meio de características morfológicas, os efeitos dos nutrientes nitrogênio, fósforo e potássio no crescimento de mudas do jacarandá-da-bahia (Dalbergia nigra ((Vell.) Fr. All. para estabelecer a dose ideal de cada nutriente a ser adicionada em diferentes substratos, visando a garantir a produção de mudas com melhor qualidade. Para tanto, as mu… Show more

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Cited by 11 publications
(11 citation statements)
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“…The lack of response to this nutrient indicates that low amounts of K present in the soil are possibly sufficient to meet the plant needs. This explains the low nutritional requirement of A. crassiflora seedlings in terms of K (Gonçalves et al, 2014). Souza et al (2010) and Cruz et al (2010Cruz et al ( , 2011 found significant effect of K application on fedegoso seedlings (Senna macranthera), indicating that some forest species present greater nutritional K requirement when compared to the species under study.…”
Section: K Dosesmentioning
confidence: 86%
See 1 more Smart Citation
“…The lack of response to this nutrient indicates that low amounts of K present in the soil are possibly sufficient to meet the plant needs. This explains the low nutritional requirement of A. crassiflora seedlings in terms of K (Gonçalves et al, 2014). Souza et al (2010) and Cruz et al (2010Cruz et al ( , 2011 found significant effect of K application on fedegoso seedlings (Senna macranthera), indicating that some forest species present greater nutritional K requirement when compared to the species under study.…”
Section: K Dosesmentioning
confidence: 86%
“…A discrete response of seedlings in relation to potassium fertilization of morphological variables was also observed in vines (Platymenia foliolosa), where results similar to A. crassiflora were only found for the quality of seedlings and shoot height/diameter ratio (Duarte et al, 2015). In Dalbergia nigra seedlings, mathematical models appropriately adjusted to increasing K doses grown in Red-yellow Alic Latosol (LVAa), Mesotrophic Red-yellow Argisol (PVAm) and Dystrophic Red-Yellow Latosol soils (LVAd) were also not found (Gonçalves et al, 2014). This tendency also resembles the results observed by Gonçalves et al (2010) in Mimosa caesalpiniaefolia seedlings using Dystrophic Red Latosol (LVd) and Red-Yellow Latosol (LVAs) soils as substrate, in which absence of effect of potassium fertilization in relation to the several evaluated growth characteristics was observed.…”
Section: K Dosesmentioning
confidence: 93%
“…A massa seca total apresentou efeito significativo para as fontes e para a interação entre fontes e doses de nitrogênio (Tabela 1). O valor máximo de 10,28 g de massa seca total foi obtido com a dose estimada de 624,41 mg dm -3 de ureia (Figura 5), tendo-se o melhor ajuste pelo modelo quadrático de regressão para todas as fontes usadas, corroborando com os encontrados por Simões et al (2016) e Gonçalves et al (2014). Welter et al (2014) encontraram valores de 6,13 g com uso de doses de pó de rocha, inferiores ao deste estudo, provavelmente devido a disponibilidade de nutrientes serem menores e por demorar mais tempo para ficar disponível as plantas.…”
Section: Figura 3 Massa Seca Das Raízes (Msr) De Mudasunclassified
“…Sua carência na fase de formação das mudas reflete na diminuição do crescimento e desenvolvimento, e afeta o rendimento final das culturas (ZHANG et al, 2012) devido à redução do acúmulo de biomassa total (VIÉGAS et al 2009). Assim, é necessário adubar o substrato com esse nutriente para obtenção de mudas de qualidade e produções sustentáveis (FREIBERGER et al, 2013;GONÇALVES et al, 2014;VELOSO et al, 2015;SIMÕES et al, 2016). Dessa forma, é importante avaliar a eficiência de fontes e doses de nitrogênio na produção de mudas de açaizeiro de touceira, tendo em vista que os estudos envolvendo tais fatores com essa cultura são escassos na literatura.…”
Section: Introductionunclassified
“…Jeromini et al (2017) found higher values in the growth of Copaifera langsdorffii Desf. seedlings in the substrate composed only with soil and Gonçalves et al (2014), testing substrate composed with Argissolo Vermelho-Amarelo, observed that the quantities of nutrients present were sufficient to supply the needs of the jacaranda-da-bahia (Brazilian Rosewood) seedlings.…”
Section: Introductionmentioning
confidence: 99%