Liquid Organic Fertilizer Made from Fruit and Vegetable Peel Waste as An Environmentally Friendly Alternative

Abstract

Liquid organic fertilizer (POC) made from household organic waste is an innovation that has the potential to reduce organic waste accumulation and support the availability of alternative fertilizers that are cost-effective and environmentally friendly. This study aims to describe the process of making POC from fruit peels and vegetable waste using a simple fermentation method, and to evaluate the potential of POC results as a source of plant nutrients. The manufacturing process is carried out by mixing 10 kg of organic waste (5 kg of fruit peels and 5 kg of vegetables), 10 liters of water, 1 kg of bran, 100 ml of molasses, and 100 ml of microorganism activator (EM4). Fermentation takes place for 7–21 days in a closed container with stirring every three days. The results show that this formulation is easy to apply on a household scale, produces nutritious liquid fertilizer, and can be applied directly or through a dilution of 1:5 to 1:10. Thus, POC from organic waste has the potential to be a solution for integrated waste management with sustainable agriculture.