No fermentation of fish belly intestines, whether on the surface, or buried in the soil, is not a good way to put on the surface of the natural decay process, there is a stench and easy to attract insects, very unsightly, directly buried in the soil, the decay process produces high temperature, easy to burn the plant's root system, the general practice is to mix the fish belly intestines and soil, individually loaded into a sealed jar, after the summer 1 month! or winter more than 3 months, so that it is fully decomposed, and then take the upper layer of fermentation liquid, mixed with water diluted watering plants, so that there is no unpleasant odor, and the right amount of fertilizer, do not burn the roots