Nutrient balance in a constructed wetland system using treated domestic wastewater on ornamental sunflower crops

Cruz Magaña, Jazmin Del Carmen de la; Sandri, Delvio; Navas Cajamarca, Sabrina Magaly; Salas Mendez, Daniel Fernando; Perez Clara, Jesus Manuel

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Campo DC	Valor	Idioma
dc.contributor.author	Cruz Magaña, Jazmin Del Carmen de la	-
dc.contributor.author	Sandri, Delvio	-
dc.contributor.author	Navas Cajamarca, Sabrina Magaly	-
dc.contributor.author	Salas Mendez, Daniel Fernando	-
dc.contributor.author	Perez Clara, Jesus Manuel	-
dc.date.accessioned	2022-08-10T11:31:41Z	-
dc.date.available	2022-08-10T11:31:41Z	-
dc.date.issued	2022-04	-
dc.identifier.citation	CRUZ MAGAÑA, Jazmin Del Carmen de la et. al. Nutrient balance in a constructed wetland system using treated domestic wastewater on ornamental sunflower crops. Australian Journal of Crop Science, [S. l.], v. 6, n. 4, p. 479-487, 2022. DOI: 10.21475/ajcs.22.16.04.p3421.	pt_BR
dc.identifier.uri	https://repositorio.unb.br/handle/10482/44474	-
dc.language.iso	Inglês	pt_BR
dc.publisher	Southern Cross Publishing	pt_BR
dc.rights	Acesso Aberto	pt_BR
dc.title	Nutrient balance in a constructed wetland system using treated domestic wastewater on ornamental sunflower crops	pt_BR
dc.type	Artigo	pt_BR
dc.subject.keyword	Águas residuais	pt_BR
dc.subject.keyword	Esgotos - tratamento	pt_BR
dc.subject.keyword	Irrigação	pt_BR
dc.identifier.doi	10.21475/ajcs.22.16.04.p3421	pt_BR
dc.relation.publisherversion	https://www.cropj.com/april2022.html	pt_BR
dc.description.abstract1	This study aimed to assess the nutrient dynamics of raw and treated wastewater (RWW and WW) in constructed wetlands (CW) for the irrigation of ornamental sunflowers, compared to freshwater (Fw) in Red Yellow Latosol (RYL) with (OF) and without (WF) inorganic fertilization. The study was carried out from July 10th to October 2nd of 2019. Wastewater was applied in pots with 10 kg of RYL. The amount of salts in the RWW, influent and effluent of CW and UnS (Uncultivated System), were evaluated in eleven samples. The study also assessed the following: plant height (PH), stem diameter (SD), number of leaves (NL), leaf area index (LAI), the inner diameter of the capitulum (IDc), the outer diameter of the capitulum (ODc), number of petals in the bud (NP), days after harvest (DAH), fresh phytomass in the aerial part (FPAP), dry phytomass in the aerial part (DPAP), fresh phytomass of the capitulum (FPc), dry phytomass of the capitulum (DPc), nutrient content in the aerial sunflower, and chemical composition in the RYL. The average removal efficiency of K+, Ca2+, and Fe in the CW was 34.33, 37.88, 39.82, and 45.40%, respectively. The PH (86.54 cm), SD (11.75 mm), NL (21), and LAI 3646.73 cm2) were higher in the WWOF treatment at 70 days after sowing. Treated wastewater without fertilization (WWWF) presented higher P, K, S, B, and Mn absorption. Freshwater with fertilization accumulated greater amounts of N, and WWOF accumulated greater amounts of Zn. Wastewater increased the P content and decreased K+ and Ca2+ in RYL. Irrigation with domestic WW in CW provided salts to the soil and increased the growth and quality of sunflowers irrigated with Fw.	pt_BR
dc.description.unidade	Faculdade de Agronomia e Medicina Veterinária (FAV)	-
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