<![CDATA[This study aimed to determine physical properties (temperature) and chemical characteristics (pH) at days 0, 14, and 28, as well as Nitrogen (N), Phosphorus (P), and Potassium (K) levels at days 14 and 28, in compost made from mangrove litter. The study employed three material ratio treatments: A1B1 (500 g mangrove litter : 500 g kepok banana peel), A1B2 (700 g : 300 g), and A1B3 (300 g : 700 g). The composting process was conducted anaerobically over the 28-day period with the addition of EM4, sugar, and water. The results indicated that the best performance—regarding temperature, pH, and N, P, and K levels—was achieved by the compost using a ratio of 300 g mangrove litter to 700 g banana peel. This treatment yielded a temperature of 30–35°C, pH of 5–7, N of 1.92–2.23%, P of 0.21–0.38%, and K of 2.14–2.23%. These values met the established SNI 19-7030-2004 standards (temperature 28–30°C, pH 6.80–7.49, minimum N 0.40%, minimum P 0.10%, and minimum K 0.20%).]]>
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