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dc.contributor.authorGONÇALVES, M. V. R.
dc.contributor.authorSILVA, F. G. da
dc.contributor.authorMESQUITA, R. O.
dc.contributor.authorMONIZ, T. da C. D.
dc.contributor.authorSOUSA, H. H. de F.
dc.contributor.authorMOTA, J. C. A.
dc.contributor.authorFREGOLENTE, L. G.
dc.contributor.authorFERREIRA, O. P.
dc.contributor.authorLEITAO, R. C.
dc.contributor.authorDIAS, C. T. dos S.
dc.contributor.authorCOSTA, M. C. G.
dc.date.accessioned2026-08-08T13:14:40Z-
dc.date.available2026-08-08T13:14:40Z-
dc.date.created2026-08-07
dc.date.issued2026
dc.identifier.citationJournal of Soil Science and Plant Nutrition, v. 26, n. 2, p. 6801-6815, June 2026.
dc.identifier.issn0718-9516
dc.identifier.urihttp://www.alice.cnptia.embrapa.br/alice/handle/doc/1189050-
dc.descriptionThe intensive use of mineral fertilizers increases production costs and environmental impacts, highlighting the need for more sustainable nutrient management strategies. This study evaluated whether hydrochar and biochar, both produced from cashew bagasse, could partially replace mineral fertilizers in degraded soil, using maize as the test crop. A greenhouse experiment was conducted with five fertilization treatments: non-fertilized control (CT), mineral fertilization (MF), hydrochar (HC), biochar (BC), and the co-application of 50% hydrochar or biochar with 50% mineral fertilizer (HC + MF and BC + MF). Plant physiological parameters, biomass production, nutrient accumulation, soil chemical attributes, and fertilizer cost reduction were evaluated. The co-application of BC + MF promoted plant responses comparable to those obtained with MF. Compared with CT, these treatments increased photosystem II efficiency (ΦPSII) and electron transport rate (ETR) by approximately 49%, while shoot biomass and leaf area increased by 200% and 146%, respectively. Nutrient accumulation in leaves also increased, particularly for N and K, with average increases of 111% and 150%, respectively, compared with CT. Although HC and BC applied alone did not consistently promote plant growth, their co-application with MF reduced fertilizer costs by more than 50% while maintaining improvements in plant physiological responses and soil chemical attributes, including increased soil pH. BC + MF was more effective than HC + MF in improving plant performance. These results indicate that biochar derived from cashew bagasse can partially replace mineral fertilizers in maize cultivation in degraded soils, contributing to cost reduction, waste valorization, and more sustainable nutrient management strategies.
dc.language.isoeng
dc.rightsopenAccess
dc.subjectHydrochar de bagaço de caju
dc.subjectBiochar de bagaço de caju
dc.subjectBagaço de caju
dc.subjectMateriais carbonáceos
dc.subjectSolo degradado
dc.subjectReabilitação de solo degradado
dc.subjectSubstituição parcial de fertilizantes minerais
dc.subjectRedução de custos de fertilização
dc.subjectValorização de resíduos agroindustriais
dc.subjectCashew bagasse hydrochar
dc.subjectCashew bagasse biochar
dc.subjectCashew bagasse
dc.subjectCarbonaceous materials
dc.subjectDegraded soil
dc.subjectDegraded soil rehabilitation
dc.subjectPartial replacement of mineral fertilizers
dc.subjectFertilizer cost reduction
dc.subjectAgroindustrial waste valorization
dc.subjectAgroindustrial residues
dc.titlePotential of hydrochar and biochar to reduce the demand for mineral fertilizers in maize cultivation.
dc.typeArtigo de periódico
dc.subject.thesagroMilho
dc.subject.thesagroZea Mays
dc.subject.thesagroCaju
dc.subject.thesagroAdubação
dc.subject.thesagroFertilidade do Solo
dc.subject.thesagroNutrição Vegetal
dc.subject.thesagroBiomassa
dc.subject.thesagroFotossíntese
dc.subject.thesagroCarvão Vegetal
dc.subject.nalthesaurusBiochar
dc.subject.nalthesaurusHydrochars
dc.subject.nalthesaurusMineral fertilizers
dc.subject.nalthesaurusFertilizer requirements
dc.subject.nalthesaurusNutrient management
dc.subject.nalthesaurusSoil amendments
dc.subject.nalthesaurusSoil fertility
dc.subject.nalthesaurusPlant nutrition
dc.subject.nalthesaurusAgricultural wastes
dc.subject.nalthesaurusByproduct utilization
dc.subject.nalthesaurusSustainable agriculture
dc.subject.nalthesaurusPyrolysis
dc.subject.nalthesaurusSoil pH
dc.subject.nalthesaurusPlant growth
dc.subject.nalthesaurusAlfisols
dc.subject.nalthesaurusHydrothermal carbonization
riaa.ainfo.id1189050
riaa.ainfo.lastupdate2026-08-07
dc.identifier.doihttps://doi.org/10.1007/s42729-026-03304-7
dc.contributor.institutionMARIA VITÓRIA RICARTE GONÇALVES, UNIVERSIDADE FEDERAL DO CEARÁ; FRANCISCA GLEICIANE DA SILVA, UNIVERSIDADE FEDERAL DO CEARÁ; ROSILENE OLIVEIRA MESQUITA, UNIVERSIDADE FEDERAL DO CEARÁ; TIAGO DA COSTA DANTAS MONIZ, UNIVERSIDADE FEDERAL DO CEARÁ; HELON HÉBANO DE FREITAS SOUSA, UNIVERSIDADE FEDERAL DO CEARÁ; JAEDSON CLÁUDIO ANUNCIATO MOTA, UNIVERSIDADE FEDERAL DO CEARÁ; LAÍS GOMES FREGOLENTE, CENTRO NACIONAL DE PESQUISA EM ENERGIA E MATERIAIS; ODAIR PASTOR FERREIRA, UNIVERSIDADE ESTADUAL DE LONDRINA; RENATO CARRHA LEITAO, CNPAT; CARLOS TADEU DOS SANTOS DIAS, UNIVERSIDADE DE SÃO PAULO; MIRIAN CRISTINA GOMES COSTA, UNIVERSIDADE FEDERAL DO CEARÁ.
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