1. Longan is rich in glucose, sucrose and protein. And has high iron content, which can improve heat energy and supplement nutrition. It is one of the famous fruit trees in south and southeast China, and is often compared with litchi.
2. Longan is a subtropical fruit tree, which likes high temperature and high humidity. It grows well in hilly red soil and dry land, is easy to cultivate, has long service life, high yield and great economic benefits. People like to grow it.
Extended data:
1. Longan is named after its round black luster and white umbilical protuberance, which resembles the eyes of the legendary "dragon". Other countries and regions that grow longan in the world are Thailand, Vietnam, India, Philippines, Malaysia, Madagascar and Queensland, Australia.
2. Apply fertilizer for the first time 1 month after planting longan saplings, and then apply fertilizer every time new buds grow and new leaves turn green. Apply 20-25kg water fertilizer to each tree, and add 0. 1 kg urea or compound fertilizer.
3. In order to cultivate a tree with high and stable yield and concentrate nutrients for the effective growth of young trees, necessary pruning must be carried out to form a crown as soon as possible and bear fruit early.
Longan originated in the south of China, and its cultivation history can be traced back to the Han Dynasty more than 2,000 years ago. Different from litchi damp-heat, longan can be used as medicine, which has many functions such as strengthening yang and benefiting qi, nourishing heart and strengthening spleen, nourishing blood and calming nerves, moistening skin and beautifying face.
References:
Baidu encyclopedia _ longan Baidu encyclopedia _ longan