1. The time to plant Chrysanthemum is spring or fall. The specific time is: early April in spring and early September in fall. With the improvement of people's living standards and production technology, people are now planting corchorus in winter, which needs to be planted in plastic greenhouses or greenhouses, the temperature should be controlled between 15-28 degrees Celsius, and the daily light time should not be less than 6 hours.

2. Seed treatment, should be soaked before sowing. The method is to soak the seeds in warm water at about 30 degrees Celsius for 24 hours, fished out and rinsed with water to remove surface debris and seeds, dry the seed surface water, germinate at a temperature of 30 degrees Celsius 15-20 degrees. During the germination period, check the seeds every day and wash them with water once to prevent them from mold. When the seeds are 60-70%? white? when the seeds can be sown.

3. Fertilizer and ground preparation, before planting corns, spread the bottom fertilizer. Diammonium is a good base fertilizer, the amount of 30-40 kg per mu. After applying the base fertilizer, plough the soil y, and then level the soil to ensure that the soil height is consistent.