2016
DOI: 10.1590/1807-1929/agriambi.v20n8p728-733
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Use of fish-farming wastewater in lettuce cultivation

Abstract: Lettuce stands out as the main leafy vegetable consumed in Brazil, with divergence regarding adaptability to different environmental conditions, which include salinity. The objective of the work was to evaluate the response of lettuce cultivars to the use of saline wastewater from fish farming. The experiment was conducted in a completely randomized design with four replicates, in a factorial 7 x 4, corresponding to seven cultivars (Regiane, Vera, Isabela, Elisa, Amelia, Lavinia and Angelina) and four salt con… Show more

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Cited by 8 publications
(11 citation statements)
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“…Negative effect of salinity on lettuce head diameter has also been found by other authors, such as Santos et al (2010). Guimarães et al (2016), working with seven lettuce cultivars, observed that the effect of salinity on this variable varied according to the cultivar.…”
Section: Resultssupporting
confidence: 77%
“…Negative effect of salinity on lettuce head diameter has also been found by other authors, such as Santos et al (2010). Guimarães et al (2016), working with seven lettuce cultivars, observed that the effect of salinity on this variable varied according to the cultivar.…”
Section: Resultssupporting
confidence: 77%
“…The observed lettuce yield (leaves number and leaf mass) was relatively superior than the values reported by Sikawa and Yakupitiyage (2010), but lower than the values reported by Seawright et al (1998) and Rakocy et al (2006) in an aquaponics system, in which effluent was enriched with a nutrient solution. Although no additional nutrient solution has been included in this trial, except hydrated lime, the lettuce biomass obtained was similar to the values reported by Castellani et al (2009) who also investigated the integration of the freshwater shrimp culture with a hydroponic system and by Guimarães et al (2016) who grew lettuce plants hydroponically using saline wastewater from fish farming. Our lettuce yield was relatively lower than the values reported by Genuncio et al (2012) who grew lettuce plants hydroponically using nutrient solutions.…”
Section: Water Quality and Growth Of Hydroponic Cropssupporting
confidence: 81%
“…The organic waste volume generated in this trial probably did not provide adequate nutrition for lettuce. It is noteworthy that the lettuce growth has an interrelationship with ionic concentration and the flow rate of the nutrient solution, which are relevant variables at the nutrient availability and water retention in a hydroponic system (Genuncio et al 2012;Guimarães et al 2016).…”
Section: Water Quality and Growth Of Hydroponic Cropsmentioning
confidence: 99%
“…Na literatura existem vários estudos com a cultura da alface sub estresse salino (Dias et al, 2011;Paulus et al, 2012;Guimarães et al, 2016;Soares et al, 2016), e todos estes autores observaram redução na massa fresca das plantas em função da salinidade.…”
Section: Resultsunclassified