In September, the Chinese cabbage grows into the later period. This is also the period when Chinese cabbage grows quickly. If water and fertilizer are supplied properly during this period, pay attention to the control of pests and diseases, and the yield can be greatly increased. Rosette period: It is also the period of Chinese cabbage scrolling, and the outer leaves grow rapidly. 85% of the roots in the roots are distributed on the surface of the soil. In this period, generally, in early September, a large amount of manure should be filled, and 2000 kg per mu should be used. Bao Xin period: The leaf ball begins to grow rapidly and is full, at this time again casts the manure dilute water, 2000 kilograms per mu or urea 10 kilograms, after another 10 days, must also water and applies the potassium sulfate 10 kilograms. Knocking period: At this time, the weather gradually turns cold, and cabbage gradually changes from a rapid growth period to a slow growth period and a nutrient accumulation stage. It is not necessary to use large amounts of water and fertilizers. If water washing is needed, stop watering with water for 7 days before harvest to improve its quality. Medical Bandage,Medical Wound Sport Protect Bandage ,Surgical Auxiliary Multiple Types Bandage ,Surgical Breathable Elastic Bandage Surgimed Medical Supplies Co.,Ltd , https://www.surgimedcn.com