In modern agricultural production, the use of organic fertilizer has been paid more and more attention, it can not only provide the nutrients needed by plants, but also improve the soil structure and improve soil fertility. There are a variety of raw materials for organic fertilizer, including livestock manure, crop straw, food processing waste and so on. So, in an organic fertilizer production process, how much is the amount of various raw materials? This usually depends on the characteristics of the raw material, the formulation of the organic fertilizer, and the scale of production. Here are some popular science knowledge about the amount of raw materials.