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Microclimatic modifications and productive responses of the Iceberg lettuce (Lactuca sativa) in protected environments Rev. Ciênc. Agron.
Otto,Rosana Fernandes; Niesing,Priscila Cristina; Cortez,Marluce Gonçalves; Oliveira,Ana Elise de.
Experiments were carried out in Ponta Grossa - PR, Brazil, in the winter and spring/summer periods with iceberg lettuces cultivars Lucy Brown and Raider Plus. The objectives were to assess the lettuce productive responses and the intensity of the microclimate modifications in five cropping systems as under shade nets Aluminet 40-O® (AL) and ChromatiNet Vermelha® 40 (CR), a low tunnel covered with transparent polyethylene (TU), direct cover white nonwoven (NW) and natural conditions (NT). A complete randomized design was used for both the experiments with five treatments placed in a 5x2 factorial arrangement (cropping systems x cultivars) and four replications. The photosynthetically active radiation and air temperature were monitored by installing probes...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Tunnel; Nonwoven; Aluminet 40-O®; ChromatiNet Vermelha® 40; Polypropylene.
Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1806-66902013000400026
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