Early spring cauliflower generally winter seedlings, spring planting, spring and summer harvest. Can choose to use strong resistance, disease resistance, good quality of early maturing varieties, such as broccoli flowers, Xuebao and so on. Colonization generally selected 5-6 leaves, green leaves, leaf hypertrophy, wax powder, root system developed, no pests and strong seedlings. 1. Colonization of cauliflower. Basal fertilizer uses 5000-6000 kg of high quality organic fertilizer, 20 kg of diammonium phosphate, 10 kg of urea and 20 kg of potassium sulfate compound fertilizer. Plant spacing 48 cm * 50 cm. Mu planting 000-3500 strains. Water after planting, cover arch or pull mulch. Keep 15-20 degrees Celsius during the day and 5-10 degrees Celsius at night. It is usually removed in early April. 2. Fertilizer management. In the rosette period, 10 kg of urea can be applied in combination with watering to promote the growth of stems and leaves. During the formation and expansion of the flower bulbs, both of them are fertilized in combination with watering, and 10 kg of high-quality potassium sulfate compound fertilizer can be applied in the mu. 3. Leaves shade. In order to protect the flower ball from direct sunlight, the shade of the leaves can be shaded at a diameter of 10 cm to ensure that the flower ball is white. But be careful not to prematurely leaf, so as not to affect the photosynthesis of cauliflower, so that the bulbs expand slowly. Cooling Patch,Cooling Gel Patch,Cold Compress Paste,Silicon tape Surgimed Medical Supplies Co.,Ltd , https://www.surgimedcn.com