Variety selection and corn arranging arrangement Choosing large-spike variety Yuyu 22 and Suyujing No. 1 etc. which are suitable for sparse planting, Chinese cabbage selection of early-maturing varieties with low temperature resistance, disease resistance and short growth period, such as spring generals, spring and summer kings, etc. . In mid-March, etc., sowing maize was sown and covered with plastic film after sowing. The corn spacing was 1.1 meters and the spacing between plants was 0.22 meters. The density per acre was 2,800. In mid-March, cabbage was used as a nutrition pod or nutritious bag nursery. The seedlings were transplanted for about 30 days. After planting, they were poured with water and then covered with plastic film. On April 20th, two rows of Chinese cabbage were transplanted between rows of corn. 0.5 meters, spacing 0.4 meters, planting 3050 plants per acre. Cultivation points Fertilizer operations. It is more appropriate to choose sandy loam with deep soil and high fertility, which is rich in organic matter. Each mu of high-quality farmyard fertilizer 2000 kg, 50 yuan ternary compound fertilizer, corn joint application period of 15 kg of urea per acre, big bell-mouth period of 25 kg of urea per acre topdressing, dry weather timely irrigation after top dressing. Cabbage during the rosette period and the core period of dressing 2 times, each time urea 15 kg per mu, combined with appropriate increase in watering fertilizer. Prevention of Pests and Diseases Harmful diseases and pests of spring cabbage include aphids, cabbage caterpillars, downy mildew, soft rot, anthracnose, etc., and insecticides such as trichlorfon, tertaprotect, and chrysanthemum pesticides can be used to control pests. The disease can be controlled by sprays such as Ruidushuang and thiophanate-methyl. Aphids and corn stubble can be controlled by sprays such as Frigid. Disposable Nasogastric Tube Holder Nasogastric Tube Holder,Disposable Nasogastric Tube Holder,Chest Tube Holder,Nasogastric Feeding Tube Holder Chengdu Cryo-Push Medical Technology Co., Ltd. , https://www.cryopush.com