2000
DOI: 10.1590/s0102-05362000000300004
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Caracterização de diferentes substratos e seu desempenho na produção de mudas de alface em ambiente protegido

Abstract: Characterization and performance of different substrates for lettuce plug-type transplants production under protected environment.The purpose of this work was to evaluate nine substrates for lettuce plug-type transplants production under plastic greenhouse. Two commercial substrates (Plantmax and Planta Forte) and one mixture recommended by the extension service (EMATER-RS) were compared with six formulated mixtures from "red-yellow podzolic soil" (S) or peat "Petrolini" (T) mixed in three different proportion… Show more

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Cited by 30 publications
(16 citation statements)
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“…According to the authors, this is owing to a reduction in the size of the particles in the raw material. The pH measured is considered ideal for the successful development of lettuce seedlings, according to MENEZES JÚNIOR et al (2000), as it is near 6.0 in both composts. This characteristic is a result of the use of organic matter in composition of both types of compost, which also contributes to permeability, aggregation of mineral particles, and acid correction (MIRANDA et al, 1998).…”
Section: --------------------------------------------------------Litementioning
confidence: 99%
“…According to the authors, this is owing to a reduction in the size of the particles in the raw material. The pH measured is considered ideal for the successful development of lettuce seedlings, according to MENEZES JÚNIOR et al (2000), as it is near 6.0 in both composts. This characteristic is a result of the use of organic matter in composition of both types of compost, which also contributes to permeability, aggregation of mineral particles, and acid correction (MIRANDA et al, 1998).…”
Section: --------------------------------------------------------Litementioning
confidence: 99%
“…O substrato Plantmax® também foi um meio apropriado para o desenvolvimento de plantas de moringa (BEZERRA et al, 2004) e de limoeiro 'Cravo'(LIRA, 1990), além de mudas de maracujazeiro (LOPES, 1996), mas com menor desenvolvimento de plântulas de alface (MENEZES JÚNIOR et al, 2000).…”
Section: Resultsunclassified
“…O substrato ideal para a produção de mudas deve apresentar: uniformidade na composição, sendo isento de pragas, organismos patogênicos e plantas daninhas (Pagliarini et al, 2012); boa aeração, para permitir a difusão de oxigênio para as raízes; boa capacidade de armazenamento de água; baixa resistência à penetração das raízes; e boa resistência à perda de estrutura (Menezes Júnior et al, 2000). Além disso, o substrato deve manter suas características físicas mais importantes, como densidade, porosidade total, espaço de aeração e a retenção de água, sem sofrer alteração durante o cultivo (Menezes Júnior et al, 2000;Lacerda et al, 2006).…”
Section: Introductionunclassified