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Excessive use of inorganic fertilizers can aggravate soil conditions. The development of organic fertilizer is urgently required. The fertilizers are used to supply organic materials to improve the physical, chemical, and biological properties of the soil. Meanwhile, many potential waste from coconut porridge household industry in Ponorogo Distric of Indonesia have not been utilized properly yet. The aim of this research are to improve the quality of liquid organic fertilizers by using various microorganisms with addition of liquid materials such as coconut water waste, water of immersed coconut fiber and molasses; and to observe the growth of chilies, tomatoes, and eggplants which were treated using the organic fertilizer. Liquid organic fertilizer was made by mixing the liquid materials using various microorganisms, such as Aspergillus niger, Pseudomonas putida, Bacillus muchilaginosis, Azotobacter chrococum and bioactivator EM4. The liquid fertilizer was carried out with a mixed batch reactor equipped of aeration 4 L/min for 10 days. From this research was conducted observations on the development of height and fruit on the assesed plants using the produced fertilizer.

Liquid Organic Fertilizer from Waste of Coconut Porridge Manufacturer and Molasses using Various Microorganisms