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- Title
SUSTAINABLE WASTEWATER TREATMENT IN PROTECTED IRRIGATED RADISH CULTIVATION.
- Authors
FERREIRA DA SILVA, PATRÍCIA; MOREIRA DE MATOS, RIGOBERTO; DANTAS NETO, JOSÉ; DE ANDRADE CABRAL, JOÃO HENRIQUE; ANTUNES DE LIMA, VERA LÚCIA; SOBRAL DE FARIAS, MARIA SALLYDELÂNDIA
- Abstract
The sustainable treatment of wastewater can be an alternative to irrigated agriculture, aiming to mitigate the effects of water scarcity in regions that suffer with this issue. This study aimed to evaluate the effect of sustainable treatment of wastewater on the irrigation of radish cultivated in greenhouses. The study was conducted at the Federal University of Campina Grande, Campina Grande, PB, Brazil. The experimental design was randomized blocks a 3x3 factorial scheme, with the factors being three qualities of water (water treated by wetland, water treated by wetland + UASB and control treatment (water from the local supply system)) and three micro-irrigation systems (subsurface drip, surface drip and micro sprinkler), with four replications. Waters treated by sustainable systems such as wetland and wetland + UASB, were not considered suitable for irrigation of leafy crops according to the guidelines of CONAMA resolution 357/2005. The sustainable treatment wetland + UASB and drip irrigation showed the best results in growth and production of radish. The radish root diameters were within the range considered ideal by the consumer market. Further studies with combinations of sustainable water treatment systems are needed aiming to frame the treated wastewater quality to the requirements of CONAMA resolution 357 for irrigation of leafy crops.
- Subjects
RADISH growing; WASTEWATER treatment; WATER shortages; GREENHOUSES; SUSTAINABLE agriculture
- Publication
Revista IRRIGA - Brazilian Journal of Irrigation & Drainage, 2021, Vol 26, Issue 2, p240
- ISSN
1413-7895
- Publication type
Article
- DOI
10.15809/irriga.2021v26n2p240-257