(ASHIK LIQUID FERTILIZER) OPTIMALISASI LIMBAH FLY ASH PLTU SURALAYA DAN KITOSAN SISIK IKAN BANDENG SEBAGAI PUPUK CAIR RAMAH LINGKUNGAN GUNA MENDUKUNG PROGRAM ECO-INDUSTRIAL PARK SERTA MENYUKSESKAN SGDs 2030

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Diana Triyanti Ika Jumantika Abdul Kholiq

Abstract

The silica content of fly ash and chitosan scales of milkfish can be combined into liquid fertilizer products. Liquid fertilizer is one type of fertilizer that is environmentally friendly and effective in its use. This study aims to formulate potassium silica liquid fertilizer derived from fly ash waste and chitosan scales of milkfish to increase functional value, reduce waste, and support the eco-industrial park program and succeed in SDGs 2030. The writing method in this study consists of literature studies and research observations conducted in the laboratory through the stages of raw material preparation, silica isolation from fly ash, chitosan manufacturing, potassium formulation with silica, homogenization with chitosan, FTIR testing stage, XRD, and sampling tests on plant growth. The results of this study found that plants that were given 50 ppm liquid fertilizer experienced better growth seen from the height and number of leaves, compared to plants with liquid fertilizers of 25 ppm. While plants that are not given additional silica liquid fertilizer nutrients have slower high growth and fewer leaf counts. Based on the results of the study, it can be concluded that the growth efficiency obtained is for a concentration of 25 ppm is 22,89%, and for a concentration of 50 ppm is 51,24%.

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References

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