Nov 16, 2020 · 1. how to ferment chicken manure into organic fertilizer . 1. Natural fermentation: The most common way to ferment chicken manure into organic fertilizer is natural fermentation.Specifically, it is to lay chicken manure in a place with direct sunlight and dry them.They are then stacked together and covered with a plastic film on top to keep them warm.In this way, chicken manure can naturally