Planting time of cauliflower in open field in North China

In the north, many friends will plant cauliflower, which is the same kind of cauliflower as we say. Do you know the planting time of cauliflower in the open field in the north? Let's have a look!

1. Planting time of cauliflower in open field in the north

Open field cultivation of cauliflower in the north can be divided into two seasons. April and July are good times to plant, depending on the ambient temperature.

2. Planting methods of cauliflower

1. Choose a good variety. It is suitable to use mid-and late-maturing varieties in spring and early and mid-maturing varieties in autumn.

2. Autumn cauliflower should be sowed strictly, generally from late June to early July, planted from late July to early August, and harvested from the end of September to the end of October.

3. Cultivate strong seedlings of appropriate age. Using nutrition bowl to raise seedlings, autumn cauliflower germination stage and seedling stage are in high temperature and rainy season, so shading measures should be taken. Generally, autumn cauliflower seedling age should be planted at 25 min 30 days, when 5 mi 6 leaves, spring cauliflower seedling age should be controlled at 70 mi 80 days, 5 mi 7 leaves should be planted.

4. Ensure the supply of water and fertilizer. After cauliflower planting, combined with watering slow seedling water, 10 kg urea per mu can be applied, and then start squatting seedlings, end squatting seedlings when the bulb diameter is about 3 cm, apply 25 kg urea per mu with watering, and then irrigate every 4 times every 5 days, pay attention to keep the border surface wet.

5. Pay attention to the control of insect pests. Spray with 2.5% enemy kill 5000 times and 20% quick kill 2000 times to control aphids and cabbage insects, and be careful not to use highly toxic pesticides.