In view of the fact of phosphorus deficiency in soil for agriculture production all over the world,and as an important part in soil phosphorus pool,soil organic phosphorus is researched on its component and bioavailability,for making good use of abundant soil organic phosphorus and enhancing sustainable agricultural development.Based on achievements of soil organic phosphorus field at home and abroad,some factors are discussed,including the content of soil organic phosphorus,forms,and bioavailability to cro...