Are sunflowers easy to grow, and are sunflowers good to grow? How to raise?

The South can be planted. Here's how a sunflower grows: 1

Seedling stage From the emergence of seedlings to the emergence of buds, it is called the seedling stage. It generally takes 35-50 days, and 28-35 days for summer sowing. This period is the stage of leaf and flower primordium formation and floret differentiation.

At this stage, the growth of the aboveground part is stunted, and the root system of the underground part grows rapidly, and a strong root system is formed soon, which is the stage with the strongest drought resistance of sunflower. 2.Budding stage A 1 cm diameter stellate appears at the top of the sunflower, commonly known as bud.

It generally takes about 20 days from budding to flowering, which is the period of vegetative growth and reproductive growth, and it is also the most vigorous stage in life. During this period, sunflowers need the most fertilizer and water, accounting for about 40% to 50% of the total fertilizer and water demand. If the demand for water and fertilizer cannot be met in time during this period, the yield will be seriously affected.

3.Flowering period In the field, 75% of the plants have tongue-shaped flowers open, that is, they enter the flowering stage. It usually takes 6 to 9 days for a flower disc to open from the tongue to the tubular flower.

From the second day to the fifth day is the peak flowering period of this inflorescence. The number of flowers blooming on these 4 days accounts for about 75% of the number of flowers. The flowers mostly bloom at 4-6 o'clock in the morning, and are pollinated and fertilized the next morning.

Unfertilized shoots can remain for 7-10 days without withering. The self-pollination and seed setting rate of sunflower is very low, only about 3%; Cross-pollination has a high seed setting rate. However, if the temperature is high, the rain is abundant, the humidity is high, the light is insufficient, the soil is dry, etc., the seed setting rate will be greatly reduced; Therefore, adjusting the sowing date, timely fertilization, watering, pest and disease control, and taking measures such as bee release or artificial assisted pollination can improve the seed setting rate.

4.Maturity period From flowering to maturity, it is sown 25 to 55 days in spring and 25 to 40 days in summer. There are differences between different breeds.

About 15 days after flowering and pollinating shield is the stage of seed formation. The weather should be clear, the temperature difference between the day and liquid should be large, and the soil moisture should be suitable.

Yes, it is very easy to plant, the seeds are heavily planted in the soil, covered with a thin layer of soil, about 3 cm thick, and they will be unearthed in 3-5 days.

Annual herb, 90 300 cm high. Leaves alternate, broadly ovate, apex pointed, base heart-shaped or truncated. The capitate inflorescence is solitary at the top of the stem, up to 30 cm in diameter, and the flowering period is 6 to 10 months.

Achene. Native to North America, it is now widely cultivated. It is not cold-tolerant, not shade-tolerant, and likes warm and sunny places, and has not strict soil requirements, but fertile and deep soil is particularly suitable.

Spring sowing. It is advisable to plant sporadically in the garden. There are many cultivars, such as dwarf double-petaled species, large-flowered double-petaled species, etc., which can be arranged in courtyards and can also be potted for ornamentation.

It's very lively, and it is planted every year.

I grow the kind of nutritious soil that I bought. It's easy to sprout. Then it is transplanted. Now it looks like a sunflower orz...

Soak the seeds before planting.

Good seeds are also easy to raise, as long as the seeds are sown in a timely manner, the soil should be deeply cultivated before sowing, and the soil should have a certain amount of moisture when sowing, at least it can be held into a ball by hand. Shallow planing pit, the pit is about one centimeter deep, the covered soil can not be too thick, a pit put 3-5 seeds, after the emergence of seedlings 10 cm to the seedlings, and then water in a timely manner in the drought. Sunflowers are basically resistant to pests and diseases, and they are easy to raise.

Sunflower seeds.

It is collected in August or around September. The sowing time is generally around March to April in the spring or August to September in the autumn, these two times are sunny and the climate is relatively warm, which is a good time to sow sunflower seeds. Before sowing sunflower seeds, it is necessary to select a fertile, moist and loose place with good drainage and ventilation to sow seeds, sowing in such a place can effectively improve the survival rate of sunflower seeds, and also need to select seeds of very good quality and full grains, such seeds can effectively improve the germination rate of edible sunflower seeds.

It is also necessary to soak the sunflower seeds in warm water at about 60 degrees for about two hours, and then sow the seeds after soaking and drying the sunflower seeds. When sowing sunflower seeds, the selected soil needs to be leveled and weeds removed from it, and fertilizer and soil are mixed. Then the sunflower seeds are sown in the soil, the surface of the sunflower seeds is covered with a thin layer of fine sand, and the spring is watered.

After sowing sunflower seeds, it is necessary to water for a long time to keep the soil moist so that the sunflower seeds can grow and germinate better and faster.

At present, the planting area of sunflower in China will be restricted by land diseases, the planting area is gradually decreasing, and the yield is also decreasing, so it is possible to lose money in terms of regional and market demand, and whether it can make money depends on the planting variety and region.

At present, the planting area of sunflower in China will be restricted by land diseases, the planting area is gradually decreasing, and the yield is also decreasing, so it is possible to lose money in terms of regional and market demand, and whether it can make money depends on the planting variety and region.

Growing sunflowers for profit and benefit.

If it is edible sunflower, its yield per mu is about 300-400 catties, and the purchase is 7-8 yuan per catty, so that after removing the cost, an acre of land can basically earn about 1000-2000 yuan, and the income is still considerable.

Sunflower high-yield cultivation techniques.

1. Site selection

Sunflowers do not have strict soil requirements, but if you want sunflowers to grow more well, it is best to plant them in areas with fertile soil, which is conducive to increasing sunflower yield and seed oil content.

2. Sow seeds

When sowing sunflowers, it is recommended to choose excellent varieties, which can effectively improve the yield, reduce the empty grains and the current panicle, and recommend the spring closure of Hungary No. 4.

3. Weeding

About three weeks after the emergence of sunflowers, weeding should be carried out, and the seedlings should be thinned and thinned to prevent too many weeds, competing with the plants for nutrients and affecting their growth.

Sunflowers are planted in Beijing in the north of China before and after "Gu Yu", and they can be directly sown with vertical keys! It can also be soaked and planted, both methods can be used. So what should sunflowers pay attention to?

Pay attention to the distance between the grains, so that the growth is strong and does not earn nutrients from each other. It is about three meters long, blooms in July and August, and is harvested in October and autumn. There is a dwarf sunflower variety, which is planted with the same as the above-mentioned Ranqiao, but it is very short in length, high in yield, and full in grains, which is very suitable for planting in various soils, so what problems should be paid attention to?

Just watch out for rats and sparrows, these two animals steal their fruits, so always be on guard! I used to grow a patch of sunflowers in my house, and when they were ripe, I found that the mice climbed up to eat them, and they ate very badly! Then there are sparrows, which also eat sunflower seeds, a large group of sparrows, and they will eat a fine after a while, which is too unimaginable, so it is necessary to prevent animals from harming.