For a Chinese cabbage producing 10,000 kilograms or more, 300 to 500 kilograms of refined organic manure, 300 kilograms of dried chicken manure, and 3 manure from manure are required for the Chinese cabbage, and then compound fertilizer (NPK content above 35 percent) is applied. For example, Sa Koufu Sulphate Potassium Compound Fertilizer is used for 30 to 40 kilograms; the above two fertilizers can be mixed and applied. Nitrogen fertilizer (46% of urea, 15 kg), phosphate fertilizer (14% of superphosphate, 30 kg), and potassium fertilizer (50 percent of potassium sulfate, 12 kg) can be formulated into compound fertilizer without compound fertilizer. Spread the plough, but it is best to use the ditch to concentrate, ridge with the soil, and broadcast the cabbage seeds on the ridge. Physical Therapy Equipment,Therapy Medical Device,Physio Therapy Equipments,Shock Wave Therapy Devices Puyang Degren Medical Equipment Co., Ltd. , https://www.degrenyuwei.com