Coconut husk is one of the agricultural wastes that is abundantly available and often remains underutilized. However, coconut husk contains organic matter and nutrients that have the potential to be used as a raw material for liquid organic fertilizer (LOF). This study aims to investigate the utilization of coconut husk as a basic material for producing liquid organic fertilizer and to determine the potential of the resulting fertilizer to support plant growth. The method involves collecting and chopping coconut husk, followed by a fermentation process using additional materials such as water, sugar or molasses, and microbial activators. The fermentation process is carried out for a certain period until a liquid organic fertilizer solution is obtained and ready for application. The utilization of coconut husk as liquid organic fertilizer is expected to reduce organic waste while producing an environmentally friendly and beneficial fertilizer for plants. This processing method can also serve as an alternative approach to supporting sustainable agriculture by utilizing locally available resources.
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