An organic compost mixer is a machine used to blend organic materials to make compost. The machine is designed to mix different types of organic materials, such as food waste, yard waste, and animal manure, together to create a homogenous mixture that can be used as organic fertilizer. The mixer can be either a stationary or mobile machine, with different sizes and capacities to suit different needs. Organic compost mixers typically use a combination of blades and tumbling action to mix the materials, and some models may also include water sprayers to add moisture to the mixture. The resulting compost can be used to fertilize soil and promote plant growth.