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Role of sugarcane industrial byproducts on soil physicochemical properties and metal accumulation in rice

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Abstract

Sugar industry produces a variety of organic byproducts causing disposal as well as environmental issues. This study investigated the safe use of these byproducts in assessment of soil physicochemical properties and metal accumulation in rice. A field experiment was performed with following treatments: control only NPK (CF), NPK + sugarcane bagasse (SB), NPK + press mud (PM), NPK + sugarcane vinasse (SV), NPK + SB + PM (SB + PM), NPK + SB + SV (SB + SV), NPK + PM + SV (PM + SV), NPK + SB + PM + SV (SB + PM + SV). Total byproduct input was (1.25 t ha−1) as recommended for organic inputs in the local area. The results indicated that integrated use of these amendments with chemical fertilization improved soil properties and rice yield. Organic matter was significantly improved in SB + SV (191.3%), SB + PM + SV (164.4%), and SB + PM (150.9%). Total N was significantly enhanced in SB + SV (193%), SB + PM + SV (166%), and SB + PM (152.5%); extractable P was high in SB (103%), PM + SV (89.7%), and SB + PM (51%); extractable K was significantly improved in PM (39.6%) and SB (33.4%); extractable Zn was significantly enhanced in SB (1172.8%), SV (829.2%) and PM (819.1%) in soil. Rice grain yield was significantly enhanced in SB (213.1%) and PM (208.8%) while combined application also improved the yield with reference to the CF. The application of SB + PM improved N (58.7%), P (27.4%), K (11.5%), and Zn (166.4%) concentration in grain, while metal accumulation was within the permissible limit. Zn concentration was significantly enhanced in SB + PM (166.4%) whereas the concentration of Cd and Pb was significantly reduced with the application of byproducts. Health assessment results showed no harmful effects for humans. Results conclude that these byproducts are good nutrients source and improve soil physicochemical properties without any health hazards.

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Qurat-Ul-Ain Raza: conceptualization, methodology, software, formal analysis, investigation, writing—original draft.

Muhammad Amjad Bashir: conceptualization, methodology, software, validation, writing—review and editing.

Abdur Rehim: conceptualization, methodology, validation, resources, supervision.

Hafiz Muhamad Ali Raza: conceptualization, methodology, validation.

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Correspondence to Muhammad Amjad Bashir or Abdur Rehim.

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Raza, QUA., Bashir, M.A., Rehim, A. et al. Role of sugarcane industrial byproducts on soil physicochemical properties and metal accumulation in rice. Environ Sci Pollut Res 29, 24726–24736 (2022). https://doi.org/10.1007/s11356-021-17428-z

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  • DOI: https://doi.org/10.1007/s11356-021-17428-z

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