The production of 1000 kilograms of cabbage requires 2.0 kg of pure nitrogen, 0.72 kg of phosphorus pentoxide and 2.2 kg of potassium oxide; 3000-5000 kg of cabbage production per mu requires 6-10 kg of pure nitrogen, 2.2-3.6 kg of phosphorus pentoxide, and 6.6 kg of potassium oxide. -11 kg. Before planting cabbage, 2500 kilograms of organic manure and 20-25 kilograms of phosphate fertilizer were applied. Cabbage entered the first sitting period to top dressing, Mushi pure nitrogen 36 kg, potassium oxide 3.3-5.5 kg. Into the cabbage ball stage, the second top dressing, Mushi pure nitrogen 3-6 kg, potassium oxide 3.3-5.5 kg. Multi-Functional Spray Cart,Hospital Muti-Functional Spray Cart,Nursing Disabled Spray Cart,Convenient Spray Cart NANJING TIANAO MEDICAL INSTRUMENTS MANUFACTURE CO.,LTD. , https://www.tianaomedical.com