2020
DOI: 10.31413/nativa.v8i5.10146
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Doses De Potássio E Lâminas De Irrigação Na Qualidade De Mudas De Eucalipto

Abstract: A produtividade florestal depende das potencialidades genéticas das matrizes, do ambiente proposto pelos substratos, frequência de irrigação, disponibilidade de luz, nutrição e das condições fitossanitárias. Assim, objetivou-se com o presente estudo analisar os efeitos da aplicação de potássio e de irrigação na qualidade de mudas de Eucalyptus urophylla. Para tal adotou-se o delineamento experimental em parcelas subdivididas definindo as 2 lâminas de irrigação (10 mm e 15 mm) como parcelas e os 5 níveis de pot… Show more

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“…Even without significance for the number of leaves and plant height, potassium does not negatively influence the variables mentioned, even in the highest concentrations. Ramalho et al (2020) mention that excess K in the substrate generates toxicity to the seedling, and if there is a deficiency in water availability, it is potentiated. Similarly, Melo et al (2020) report that the shoot and root are harmed when K is applied excessively, which is not observed in this study during the conduction phase of the experiment.…”
Section: Resultsmentioning
confidence: 99%
“…Even without significance for the number of leaves and plant height, potassium does not negatively influence the variables mentioned, even in the highest concentrations. Ramalho et al (2020) mention that excess K in the substrate generates toxicity to the seedling, and if there is a deficiency in water availability, it is potentiated. Similarly, Melo et al (2020) report that the shoot and root are harmed when K is applied excessively, which is not observed in this study during the conduction phase of the experiment.…”
Section: Resultsmentioning
confidence: 99%