PENGARUH VOLUME URINE KAMBING TERHADAP KANDUNGAN (NPK) PUPUK ORGANIK CAIR DARI LIMBAH KULIT NANAS DAN KULIT PISANG MELALUI FERMENTASI ANAEROB
DOI:
https://doi.org/10.46964/jimsi.v6i2.1848Keywords:
anaerobic, banana peel, goat urine, pineapple peelAbstract
Pineapple peel and banana peel waste are produced in large quantities and may cause environmental pollution if not properly utilized. These wastes contain macronutrients such as nitrogen (N), phosphorus (P), and potassium (K), making them potential raw materials for liquid organic fertilizer. This study aimed to evaluate the effect of different volumes of goat urine on the macronutrient content (N, P, and K) of liquid organic fertilizer. The materials used were 500 g of pineapple peel pulp, 500 g of banana peel pulp, 50 mL of molasses, 70 mL of effective microorganisms 4 (EM4), and 1 L of distilled water. Goat urine was added at volumes of 0, 20, 60, 100, 140, and 180 mL, followed by anaerobic fermentation for 14 days. The optimal result was obtained with 140 mL of goat urine, yielding nitrogen, phosphorus, and potassium contents of 0.59%, 0.02%, and 1.02%, respectively, with a pH of 4.88. The total NPK content reached 1.63%. The nitrogen content and pH met the minimum standards set by the Regulation of the Minister of Agriculture; however, the total NPK content did not meet the quality standards for liquid organic fertilizer as stipulated in Regulation Number 261/KPTS/SR.310/M/4/2019.
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