Toon is also known as toon flower, toon head, toon buds, neem family toon genus trees. Native to China, is a perennial woody vegetable. Mainly distributed in Shandong, Anhui, Henan, Hebei, northern Guangxi, southern Hunan and Sichuan provinces, including Anhui's Taihe Toon, Shandong's Ximou Toon and Henan's Jiaozuo Red Toon, the most famous. Such as Taihe fragrant toon as early as in the Tang Dynasty as tribute, sent to Chang'an. At present, toon sprout is not only the urban and rural people's favorite traditional vegetables, and has entered the restaurant and hotel, but also exported to Southeast Asian countries, very popular in the international market. Toon in addition to food, its leaves, skin, roots, fruits (fragrant bell seed) have certain medical effects. Fresh toon head and an equal amount of garlic, add a little salt, mashed, applied to the affected area, can cure canker sores and swollen toxins; the toon, cedar, maple three of the young leaves of each equal parts, decocted to slag and drink, can be cured filariasis; toon skin is cool, with the removal of heat, in addition to the dryness and dampness, stopping the bleeding of the function; scented bells can be used for the treatment of wind-cold colds, gastrointestinal stagnation, epigastric distension and stuffiness, rheumatoid arthritis and other diseases.

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Toon as a vegetable cultivation, should be picked in time to pick the top buds, generally in the spring buds grow to 25 cm or so can be picked, this first - picked, called the first crop of tsubaki buds, not only fat and tender and rich flavor, superior quality. Later, according to the growth situation, every 15-20 days, pick the second. Newly planted toon, up to 2 times a year, 3 years later can be harvested 2-3 times a year, the yield also increased accordingly. As for the protected cultivation, through the heating, winter can also be picked, such as not heating, can also be marketed in advance.

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Harvesting should be cut with scissors, avoid breaking by hand, so as not to damage the tree, at the same time, should be retained at the base of the 1-2 leaves, in order to protect the cryptic buds continue to sprout. After the first harvest, you can apply a nitrogen fertilizer to promote the growth of new shoots, mu 15-20 kg of urea is appropriate. If you want the buds to grow faster, plus mulch insulation has a better effect. During the harvesting of buds, try not to apply pesticides to ensure food safety.