Strengthen field management: (1) Do a good job of drainage work and reduce the humidity in the field. 2 Remove field weeds, remove the diseased, old, yellow leaves from the plants and bring them out of the field for centralized treatment, so as to reduce the number of pathogenic and disease sources. Anti-freeze protection: 1 According to the local climate, reasonable fertilization of the soil, so that the rape grows robustly, enhance the ability of antifreeze. 2 To control the growth and development of rapeseed, rape must not be allowed to twitch and flower prematurely. Topping up and early flowering plants should be topping. 3 For over-growth, poor ventilation in the field, green stems, and large leaves, the application of foliar spray to promote Wangwang 3 may be used to control Wang and enhance resistance to lodging. 4 cold insulation: In order to prevent the late spring frozen dead rape, spray a new high fat film to enhance the antifreeze vitality. Pest control: rape common diseases in early spring are downy mildew, aphids, cabbage caterpillars, etc., use of pesticides, fungicides combined with the new high-fat membrane with the use of new high-fat membrane can increase efficiency of pesticides, reduce the amount of medication per acre, improve prevention effect. The best choice for Analog hearing aids with earbuds design The best choice for Analog hearing aids with earbuds design Shenzhen Sunshine Technology Co.,Ltd , https://www.shenzhenyatwin.com