What is the best raw material for organic fertilizer?

Organic fertilizer is an organic substance typically made from plant or animal waste that has undergone fermentation and maturation. It is widely used in agriculture and horticulture as a soil amendment and a source of plant nutrients. Organic fertilizer raw materials include various organic substances, such as animal manure, crop straw, urban garbage, mushroom residue, etc. Each raw material has its unique characteristics and advantages and disadvantages, and selecting the best combination of raw materials can produce high-quality organic fertilizers.

Crop straw is also one of the important raw materials for producing organic fertilizers. Corn straw, wheat straw, rice straw and other crop straw contain abundant fiber and trace elements, which can improve soil structure, enhance soil permeability and water retention. The advantages of crop straw are its wide range of sources, low cost, and ability to improve soil structure. However, its disadvantages include low nutrient content, slow fermentation process, and the need to add an appropriate amount of animal manure or other organic waste to increase nutrient content.

Urban garbage is also one of the raw materials for making organic fertilizers. Urban waste includes household waste, kitchen waste, etc., which contains abundant organic matter and trace elements. Using urban waste to produce organic fertilizer can effectively reduce environmental pollution caused by waste and achieve resource utilization. However, urban waste may contain a large amount of non degradable substances such as plastics and metals, which require strict screening and treatment.

Mushroom residue is also one of the raw materials for making organic fertilizers. Mushroom residue is a waste generated during the cultivation process of mushrooms, which contains rich organic matter and trace elements. The advantages of mushroom residue are high nutrient content and wide applicability, but the disadvantages are high price and unstable source.

In summary, selecting the optimal combination of raw materials can produce high-quality organic fertilizers. According to the characteristics and advantages and disadvantages of different raw materials, organic fertilizers suitable for different plant needs and geographical environments can be combined. For example, in nitrogen deficient soil, animal manure with high nitrogen content can be used as the main raw material; In phosphorus deficient soil, crop straw with high phosphorus content can be used as the main raw material. At the same time, attention should also be paid to the treatment and sterilization of raw materials to ensure the safety and reliability of the produced organic fertilizer.