2015
DOI: 10.5935/1806-6690.20150031
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Production, water consumption and nutrient content of Chinese cabbage grown hydroponically in brackish water

Abstract: -Underground water reserves in the semi-arid region of Brazil are stored in the crystal formations that in large part have high concentrations of salt. However, the scarcity of this resource makes the use of this water necessary for various activities, including agriculture. The aim of this study was to evaluate the use of brackish water on the electrical conductivity and pH of the nutrient solution, and on the production, water consumption and the uptake of nutrients in Chinese cabbage (Brassica pekinensis L.… Show more

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Cited by 18 publications
(19 citation statements)
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“…Decrease of biomass in plants submitted to salt stress is a consequence of a series of physiological changes, which include reduction in photosynthetic rate, in relation to low soil water potential, as well as due to osmotic and ionic homeostasis of the plant. Cultivation of vegetables in hydroponic system has shown that the magnitude of plant biomass reduction, due to increased salinity, is dependent on species, as seen on roquette and watercress (Alves et al, 2011) and Chinese cabbage (Lira et al, 2015) and other species, as noticed on lettuce (Santos et al, 2010) and roquette (Jesus et al, 2015).…”
Section: Resultsmentioning
confidence: 99%
“…Decrease of biomass in plants submitted to salt stress is a consequence of a series of physiological changes, which include reduction in photosynthetic rate, in relation to low soil water potential, as well as due to osmotic and ionic homeostasis of the plant. Cultivation of vegetables in hydroponic system has shown that the magnitude of plant biomass reduction, due to increased salinity, is dependent on species, as seen on roquette and watercress (Alves et al, 2011) and Chinese cabbage (Lira et al, 2015) and other species, as noticed on lettuce (Santos et al, 2010) and roquette (Jesus et al, 2015).…”
Section: Resultsmentioning
confidence: 99%
“…A inibição na expansão do limbo foliar é uma das características mais comuns em plantas submetidas ao estresse, e já tem sido observada na cultura da rúcula (Silva et al, 2008), e em IV INOVAGRI International Meeting, 2017 outras hortaliças folhosas, como alface (Dias et al, 2005;Oliveira et al, 2011), e couve chinesa (Lira et al, 2015) e coentro (Oliveira et al, 2016 O fator de ocorrer resposta significativa para área foliar, mas não para o número de folhas, mostra que o efeito dos tratamentos aplicados ocorreu apenas sobre a expansão do limbo foliar.…”
Section: Resultsunclassified
“…Em todos estes trabalhos, os autores destacam que a concentração de nutrientes é fator primordial para se obter mudas mais vigorosas, pois ocorreram significativas diferenças nas respostas das hortaliças, inclusive entre cultivares de uma mesma espécie. Para a produção de mudas de hortaliças folhosas destinadas ao cultivo hidropônico é comum adoção de solução nutritiva recomendada para a cultura da alface, diluída em 50%, a exemplo de estudos com chicórias lisa e crespa e almeirão (Luz et al, 2009), rúcula (Luz et al, 2011) e couve chinesa (Lira et al, 2015). IV INOVAGRI International Meeting, 2017 No entanto, estudos já mostraram que a exigência das culturas pode variar, mesmo para o mesmo gênero botânico, como pimentas (Oliveira et al, 2014) e pimentão (Costa et al, 2015), assim, surge necessidade de pesquisas para cada hortaliça.…”
Section: Introductionunclassified