Application of biosolid for berseem clover fertilization: Fodder characteristics and health risk assessment

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dc.contributor.authorAdelodun, Bashir
dc.date.accessioned2024-05-17T08:23:36Z
dc.date.available2024-05-17T08:23:36Z
dc.date.issued2024
dc.description.abstractFinding sustainable methods for utilizing biosolids, also known as municipal sewage sludge (SS), presents a pressing challenge in modern waste management practices. Therefore, this study aimed to evaluate the impact of SS amendment on growth, biochemical, proximate, and heavy metal bioaccumulation parameters of berseem clover (Trifolium alexandrinum L.) fodder crop under field conditions. Trifolium alexandrinum was cultivated using different rates of SS mixing (i.e., T0: 0% as control with no SS application, T1: 5%, and T2: 10%). The results obtained showed a significant (p < 0.05) increment in growth, biochemical, and proximate parameters of T. alexandrinum with an increasing SS mixing rate. The highest productivity of T. alexandrinum fodder (1.92 kg m-2 fw) was observed in the T2 treatment as compared to the control treatment. The heavy metal analysis of shoot and root parts of T. alexandrinum showed that the contents (mg kg-1) of eight elements (Cd 0.02-0.13, Co 0.04-0.08, Cu 5.94-0.05, Cr 0.43-1.68, Fe 7.08-15.93, Ni 0.89-2.90, Mn 1.62-5.38, and Zn 3.30-7.04) increased significantly (p < 0.05) with SS mixing rate. The bioaccumulation factor (BAF) was below 1 except for Cu and Zn exhibiting their rapid uptake by plants from SS-treated soils. However, dietary intake modeling (DIM < 1) and health risk index (HRI < 1) studies showed that the levels of heavy metals did not exceed the permissible limits in any SS treatment. Overall, SS amendment has a positive impact on the growth, biochemical, proximate, and heavy metal characteristics of T. alexandrinum. Therefore, this study suggested a strategy for low-cost soil fertilization and fodder crop production which could sustainably benefit waste recycling.
dc.identifier.issnhttps://doi.org/10.4067/S0718-58392024000300349
dc.identifier.urihttps://uilspace.unilorin.edu.ng/handle/123456789/14310
dc.language.isoen
dc.publisherInstituto de Investigaciones Agropecuarias
dc.subjectBioaccumulation
dc.subjecthealth risk studies
dc.subjectsewage sludge
dc.subjectsoil fertilization
dc.subjectwaste management
dc.titleApplication of biosolid for berseem clover fertilization: Fodder characteristics and health risk assessment
dc.typeArticle

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