Sunflower is a very familiar flower. Its oil is unique in meaning and quality. Sunflower cultivation in the country began in the sixties due to its huge demand all over the world. Currently, it is being cultivated extensively in different districts including Rajshahi, Jessore, Kushtia, Natore, Pabna, Dinajpur, Gazipur, Tangail.
The use of sunflowers
- Sunflower seeds are fed to poultry as livestock .
- The seed is extracted with oil by crushing it Sunflower is widely cultivated in various countries of the world as a source of oil .
- Sunflower oil is used as a substitute for ghee , also known as vegetable oil.
- Sunflower oil is better than other cooking oils and is very effective for heart diseases. Cholesterol levels are extremely low. It also contains vitamin A, D and E.
- This sunflower is a good source of vitamin E.
- There are many beneficial aspects of Vitamin E. Vitamin E works as a free radical or antioxidant. Vitamin E’s ability to incorporate two other features that play a crucial role in heart disease. These two features are to help prevent inflammation and promote smooth muscle cell growth. These two qualities prevent the narrowing of the blood vessels, as well as the ability of the cells to produce muscle cells. The anti-cancer properties of Vitamin E have also been reported.
During the cultivation
Sunflower cultivation is mainly done in agrayan in the hope of getting good yield. Sunflower can be cultivated all year round. However, it is a good time to cultivate in the month of Agrayan. Temperatures in the north and west of the country are 4 degrees Celsius. If it is below 8-12 days after sowing the seeds should be sown. It can also be cultivated in the Kharif-1 season, ie the eldest (mid-April to mid-May).
Making land
Sunflower land has to be deeply cultivated. Land should be scrubbed 3-5 times with landscape cultivation and ladders.
Breed selection
Kirani (DS-1) was invented in the year 12 by selection from germplasm. This type of tree is 5-7 cm. Is tall The weight of the seeds is 3-5 grams per thousand. The seeds are tall and flattened, and the black is colored. One flower comes in each tree. After sowing, it takes about three months to harvest. Yields of up to 1.5 tonnes per hectare. It takes about 3-5 days to harvest. Find out how to cultivate perennial mangoes .
Sowing method and seed rate
Sunflower seeds are sown in rows for commercial cultivation. Seeds are sown at row 3 * 4 and column 20 * 25 apart. It requires 3-5 kg seeds per hectare.
Applying fertilizer
Estimated amount of fertilizer per acre
Urea 1-3 kg,
TSP 1 kg,
MP4-5 kg,
Gypsum 1,
Zinc sulphate 20 kg,
Baric acid is 20 kg,
Magnesium sulfate is 20-20 kg.
Urea fertilizer half and all other fertilizers should be sprinkled on the soil during the final cultivation and mixed with soil. The remaining half urea fertilizer should be divided into two. The first part should be applied 24 days after sowing and the second part after 5 days or before flowering.
Diseases and Remedies
Sunburn is a disease of sunflower disease. The disease is caused by sunflower attacks by fungi. First, the leaves have a gray or dark brown color. The spots are uneven. Later, all the stains are mixed and creates large spots. Eventually the entire page is burned.
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Also, acne disease of the sun is the root cause of diarrhea. The spread of the disease is seen in fungal infections. At the base of the infected tree, there is a mycelium of white cotton fungus and scleroceum like a round grain. At first, the tree is somewhat fallen. Within a few days all the trees slump and die dry. Read more insects in the trees away .
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To cure disease-tolerant ray varieties must be cultivated. With the emergence of the disease, Rovaral-50 WP (at 2% rate) is mixed with water and applied to the soil 2-5 times a day to reduce the incidence of the disease. When the crop is destroyed or burned, the germs of the disease are destroyed.
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Sunflower root can be prevented by spreading the disease with the help of Vitavex-200 as a cure for diarrhea. Usually the fungus cannot survive if the land is wet. Thus, after the disease attack, the incidence can be reduced by irrigating the land. Periodically cultivating crops on the same land can prevent the spread of previous invasive diseases due to lack of suitable nutrients.
