Abstract
Marine organic waste can be managed into compost products. Co-composting is a biological process to decompose two or more types of organic matter into a stable humus substance and is expected to overcome the disadvantages of composting single organic matter. This study aims to produce compost with better characteristics than composting marine waste singly with the addition of other organic materials such as cow dung and rice straw. The composting method used is Co-composting Barkley for 7 weeks. Parameters observed were pH, temperature, humidity, C/N, macronutrients, micronutrients, and physical properties of compost such as odor, color, and texture. Compost quality characteristics have met the Indonesian national standard (SNI SNI 19-7030-2004) so that it can be developed. Compost macronutrients (Nitrogen 1.47%; Phosphorus 0.38% and Potassium 0.28%) and compost micronutrients (Fe 0.97%; Mn 0.09%; Zn 47.74 ppm and Cu 7.43 ppm).
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