Yes, it’s not poisonous. During the process of soaking bean cakes, adding appropriate compound fertilizer can quickly ferment and mature the bean cakes. This mainly uses the organic matter, amino acids, and trace elements in the cake fertilizers. Compound fertilizers contain a lot of nitrogen, phosphorus, and potassium and have a long lasting effect. They can be used in combination. It can meet the growth needs of vegetables and flowers, and can also improve the quality of vegetables and flowers, improve the soil, increase organic matter, and is not toxic to plants. It is an easy-to-use organic fertilizer.