Sunflower method and soil selection | sunflower picture
Sunflower is a plant that grows forever to the sun. It is native to South America. It was originally used for ornamental purposes. It is cultivated in China. Sunflower seeds are also called sunflower seeds. They are often used for snacks after frying. It is very delicious, and of course it can be used to extract sunflower oil. So what is the best soil for planting sunflowers? How is sunflower planted?
Sunflower planting environment
The cultivation of sunflowers is possible in all seasons, but it is mainly in summer and winter. Its flowering period can last for more than two weeks. The varieties can also be divided into ordinary ornamental and edible varieties. The characteristic is that the plants are relatively short, and the size is usually no more than the office scale. The ornamental sunflowers are most suitable for planting in the pots, and the edible plants will be called high, and will be planted in the open nursery soil. of. The growth of sunflowers is agile, and the flowering period is long enough for more than two weeks. The growth of sunflower is closely related to temperature, water, light and soil.
Sunflower planting method
1. Temperature: Because sunflower is native to the tropics, its adaptability to temperature is relatively strong. It is a plant that likes warmth and is cold-tolerant. Its seeds are also very resistant to low temperatures. When it can stabilize above 2 degrees, its seeds can start to sprout. In the whole growth process of sunflower, as long as the temperature is not lower than 10 degrees, it will grow normally, and the higher the temperature in the appropriate temperature range, the faster it will develop.
2, Moisture: Because the sunflower plant is relatively tall, the leaves are many and dense, so it is a plant that consumes more water, but because its growth and development is mostly synchronized with the local rain and heat, so The contradiction between supply and demand of water is not prominent. The difference in the requirements of water at different stages of sunflower is also very large. From sowing to bud, it is more able to resist drought, and the amount of water needed is not much, and the appropriate drought is still Conducive to the growth of its roots to enhance drought resistance.
From bud to flowering, it is the peak period of water demand. During this period, the impact of water shortage on its yield is very large. If it is too dry, it needs irrigation to supplement it, from flowering to maturity. The amount of water is also relatively large, and the insufficient amount of water during this period will affect its production and reduce the amount of oil.
3, light: sunflower as a short day of sunshine as a response to sunshine is not very sensitive, only need ample sunshine will let him grow up healthily, enough sunshine can make its seedlings robust and able to prevent the length However, the sufficient amount of sunshine in the mid-term of fertility can promote the growth of stems and leaves, allowing it to flower and pollinate normally, and increase its seed setting rate. After birth, the sunshine is sufficient to make its seeds full and full.
4, soil: sunflower, its soil requirements are very low, can grow in all kinds of soil, from fertile soil to arid and thin saline and alkali can be planted because it has Strong alkali resistance.
What kind of soil is used for sunflowers?
From the above planting methods, we can know that there are many soils for planting sunflowers because the soil requirements are not strict and can grow healthily in almost any soil.
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