Can sunflowers grow in winter? Sunflower seed planting methods and precautions
Sunflowers are also called sunflowers. They are warm and cold-resistant. Although they are planted in various regions of China, the market is still in a state of short supply. Can the sunflowers be planted in winter? What are the seed planting methods and precautions for sunflowers?
Can I grow sunflowers in winter?
1, can grow sunflowers in winter
From the perspective of sunflower growth habits, sunflowers can be grown in winter as long as the temperature and light are controlled. If there is a greenhouse, or planted indoors, the survival rate of sunflowers will be higher.
2, winter planting sunflowers have to pay attention to
In order to maintain the heat preservation effect, it is necessary to mix the appropriate amount of grass ash in the soil for sowing and cutting to increase the soil temperature, and it is necessary to ensure more light, so that the soil does not dry or water.
Second, sunflower seed planting methods and precautions
1. How is the sunflower planted?
(1) Choose the right sowing time
The best sowing time for sunflowers is from April to September of each year, and if there is a plan to keep the seed, it is a good sowing period in April.
When planting, insert the sunflower seeds into the vertical direction with the tip pointing downwards, then cover the soil, properly water the soil to keep the soil moist, and sprout the seedlings in about 5 days.
(2) Post-emergence management
After the seeds are germinated and emerged, in addition to maintaining the moistness of the soil, it is necessary to enhance the light and avoid the lack of sunlight. At this time, it is better to place it under the sun instead of astigmatism.
(3) Colonization and management of sunflower
After the sunflower seedlings grow about 5 pieces of true leaves, they can be planted. They can be planted in the open field, or they can be planted in pots, depending on the actual needs of the individual.
After planting, water should be poured, and after a day of ventilation, the whole day should be managed, and more water can be poured. Fertilization can be carried out once a week, with NPK combined with water-soluble fertilizers.
(4) Flowering management
If it is a large-scale planting, artificial pollination is recommended. A bee source is introduced about one week before the flowering period, and a beehive can be set every 5 mu.
In addition, you can also manually touch the two faceplates. *** Good pollination time should be 9-12 am, 3-6 pm.
Watering in the flowering period should be carried out after 5 pm, and at the end of the flowering period, it is the filling period. It is necessary to carry out a large-scale watering so that the seeds can be fully developed.
(5) Harvest of the disk
The sign that the disk can be harvested is that the back of the disk turns yellow for about 1 week, and the sunflower seeds turn black and hard, so the sunflower dish can be harvested.
2. Precautions for planting sunflower
(1) The sunflower planting area should be kept away from fruits and vegetables to protect the seed setting rate from the influence of pesticides.
(2) Sunflower can apply more potassium fertilizer during the flower bud period to enhance disease resistance and lodging resistance.
Sunflower winter can be planted, sunflower seed cultivation methods and precautions are shared with you here, I hope this article is helpful to everyone, I wish you good luck.
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