2020
DOI: 10.5433/1679-0359.2020v41n5p1495
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Irrigation frequency and vermiculite proportion in substrate for Eucalyptus grandis seedling

Abstract: Highlights: How many times a day should we irrigate eucalyptus seedlings in less technified nurseries? Twice the ETo was the amount of water used for the irrigation of the eucalyptus seedlings. It takes 295 litres of water to produce 1 kg of dry eucalyptus biomass. Two daily irrigations are sufficient for the production of eucalyptus seedlings. The substrate with 80% vermiculite should be used for the production of eucalyptus seedlings.

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Cited by 3 publications
(4 citation statements)
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“…However, its low nutrient content is compensated by the use of commercial substrates (Cecco et al, 2018). The mixture of vermiculite and substrate improves its physicochemical properties, which is essential for ensuring seedling quality and low production costs (Cruz et al, 2020).…”
Section: Emergence and Emergence Speed Indexmentioning
confidence: 99%
See 1 more Smart Citation
“…However, its low nutrient content is compensated by the use of commercial substrates (Cecco et al, 2018). The mixture of vermiculite and substrate improves its physicochemical properties, which is essential for ensuring seedling quality and low production costs (Cruz et al, 2020).…”
Section: Emergence and Emergence Speed Indexmentioning
confidence: 99%
“…Usually, substrates that consist of a mixture of more than one material are more likely to meet the chemical and physical needs of plants (Silva et al, 2018). Thus, vermiculite has been widely used in substrates, although knowing its correct proportion is essential to ensure seedling quality and low production costs (Cruz et al, 2020).…”
Section: Introductionmentioning
confidence: 99%
“…Thus, frequent replacements of water must happen to avoid water deficit. With low water availability in the soil, frequent irrigation with small water depths is necessary (CRUZ et al, 2020;EMBRAPA, 2022). However, mechanized irrigation systems, designed with minimal water depths exceeding the crop's water demand, and subsurface drip systems, which need greater water depths to reach the bulb defined in the project, will waste large volumes of water per irrigation event (BERNARDO et al, 2019).…”
Section: Introductionmentioning
confidence: 99%
“…Desafios globais, soluções locais: Avanços em Ciências Agrárias e Ambientais | 3 O déficit hídrico representa um dos fatores abióticos mais limitantes quando se diz respeito à germinação, visto que água em excesso pode causar lixiviação de nutrientes, diminuindo a absorção dos mesmos pela planta, que tem seu desenvolvimento afetado (COSTA et al, 2022). A falta de água, por outro lado, prejudica o metabolismo das plantas, induzindo o fechamento dos estômatos, para diminuir a perda de água por transpiração, limitando a ocorrência da fotossíntese e consequentemente pode reduzir a produção de biomassa (CRUZ et al, 2020).…”
Section: Introductionunclassified