How to choose sunflower seeds? What are the methods of raising seedlings?

There are two main types of sunflowers, one is edible, the other is ornamental. Sunflower is a very magical plant, because its flowers will turn with the sun. When the sun rises in the morning, its flowers will face east, then slowly turn to the west, and then return to the east the next day, so it has the title of sunflower again. If you want to plant sunflowers, how to choose the seeds? What are the methods of raising seedlings? Let's learn about it.

How to choose sunflower seeds?

1. Select suitable local varieties

Different varieties are suitable for planting in different climates and soil and phenological periods, so choose the ones that are suitable for your area. Select good and high quality varieties according to the diseases, weather and growth period of the area.

2. Choose the seeds of large companies

Choose the seeds of big companies and big brands. It can be guaranteed that the purchased seeds are real seeds rather than fake ones. Don't buy seeds from small vendors.

3. Check the seed bags

Through the observation port of the seed bag to see whether the seed is uniform, whether the coating is consistent, and whether there are few impurities. Otherwise, the emergence of seedlings is uneven. Look at the production date of the seed and whether the production license, quarantine certificate and other certificate numbers are complete, and check whether the packing bag has been opened.

4. Selection of seed appearance quality.

Generally speaking, the varieties with high purity have little difference in grain shape. The new seeds are bright and bright, while the old seeds are dark. Qualified sunflower hybrids have the same evenness, full grains, higher 100-grain weight, less diseased and damaged grains, less impurities such as sand and gravel weeds, crop straw and other crops, and no moth.

What are the methods of raising sunflower seedlings?

1. Planting area

Sunflowers are very adaptable. No matter where they grow, they can survive as long as there is sunshine. Therefore, if we want to cultivate high-quality sunflowers, we must first choose a sunny place for sunflowers. Sunflowers are resistant to drought, and the western region is very conducive to the growth of sunflowers.

2. Seed selection

When we sow sunflowers, we must pay attention to the integrity of sunflower seeds. We can soak sunflower seeds in water for a period of time to see if they have surfaced and discard all the seeds that have surfaced. Using this method, it is helpful to select better sunflower seeds and cultivate better sunflowers.

3. Sowing time

Sunflower is a kind of sunflower, which rotates automatically in the direction of the sun, so the best sowing time for sunflower should be in summer. This season, the light is strong, the light time is also relatively long, and the temperature can basically reach more than 30 ℃, which is very suitable for the growth of sunflowers.

4. Apply sufficient base fertilizer

In the process of sunflower growth, there are very high requirements for soil nutrition. Therefore, we must ensure the fertility of the soil before planting. In the early stage of sunflower growth, the sunflower can be fertilized every other week; in the later stage of sunflower growth, the number of fertilization can be controlled at about two to three times a month.

Sunflowers are native to South America and are not native to China. They were probably introduced into China from the southeast coast in the middle of the Ming Dynasty. At present, it is planted in the vast areas of our country, and its melon seeds have become one of the people's favorite snacks, and sunflower cultivation is common in rural areas.

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