Seaweed biochar (sourced from marine water remediation farms) for soil remediation: Towards an integrated approach of terrestrial-coastal marine water remediation

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dc.catalogadorkro
dc.contributor.authorRosanna Ginocchio
dc.contributor.authorMatías Araya
dc.contributor.authorJéssica Machado
dc.contributor.authorLuz María de la Fuente
dc.contributor.authorFabiola Orrego
dc.contributor.authorArellano Ogaz, Eduardo Carlos
dc.contributor.authorLoretto Contreras-Porcia
dc.date.accessioned2024-03-04T15:14:34Z
dc.date.available2024-03-04T15:14:34Z
dc.date.issued2023
dc.description.abstractBiochar made from seaweed biomass of marine farms established for water pollutant remediation may be a promising amendment for soil remediation in the same coastal territory. The study aimed to assess the soil Cu-immobilizing, pH neutralizing, and nutrient improvement capabilities of a seaweed biochar when incorporated into degraded soil of the same coastal territory (Puchuncaví District, central Chile). Experimental design considered five treatments; degraded soil of Puchuncaví valley (C-), C- amended with either local seaweed biochar (B), vermicompost (V), or its mixture (BV), and a background soil (C+). Experimental soils were placed in pots and kept in a greenhouse (4 weeks). Lolium perenne was then sown and cultivated until week 11. Treatments amended with biochar (B and BV) significantly increased soil pH, available nitrogen and decreased Cu2+ ions. These treatments reached very high EC values but had no negative effect on plant yield. Regarding plant growth, V and BV significantly increased biomass, but V resulted in higher yield because of its higher nutritional status. It was concluded that seaweed biochar, made from local seaweed biomass of a coastal marine water pollutant remediation farm, may be an effective soil amendment for degraded soils of the same coastal territory, although its combination with an organic amendment should be considered.
dc.fechaingreso.objetodigital2024-09-02
dc.fuente.origenORCID
dc.identifier.doi10.15376/biores.18.3.4637-4656
dc.identifier.urihttp://doi.org/10.15376/biores.18.3.4637-4656
dc.identifier.urihttps://repositorio.uc.cl/handle/11534/82067
dc.information.autorucFacultad de Agronomía e Ingenieria Forestal; Arellano Ogaz, Eduardo Carlos; 0000-0002-2000-3386; 93756
dc.language.isoen
dc.nota.accesoContenido parcial
dc.rightsacceso restringido
dc.subject.ods02 Zero hunger
dc.subject.odspa02 Hambre cero
dc.titleSeaweed biochar (sourced from marine water remediation farms) for soil remediation: Towards an integrated approach of terrestrial-coastal marine water remediation
dc.typeartículo
sipa.codpersvinculados93756
sipa.trazabilidadORCID;2024-01-22
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