1. Litchi trees like high temperature and high humidity, and they like sunshine to the sun. Its heredity requires that the temperature of flower bud differentiation is relatively low, but the lowest temperature is -2 ~-4℃, which will cause freezing injury. It is sunny and warm in flowering period, and no dry heat is the most favorable. Too low humidity, continuous rain, dry and hot weather or strong north wind are not conducive to flowering and pollination.

2. Litchi in China is mainly distributed in the range of north latitude 18-29 degrees, with the most cultivated in Guangdong, followed by Fujian and Guangxi, and a few cultivated in Sichuan, Yunnan, Guizhou and Taiwan Province provinces. Southeast Asia is also cultivated, and Africa, America and Oceania have introduced records.

3. Litchi is mostly planted in hills and slopes. These soils usually have low organic matter content, shallow soil layer and poor water and fertilizer conservation ability. If soil management is not paid attention to, the growth and development of litchi will be seriously affected.

Extended data:

Litchi is rich in nutrients, including glucose, sucrose, protein, fat, vitamins A, B, C, folic acid, arginine, tryptophan and other nutrients, which is very beneficial to human health.

Litchi has the effects of invigorating spleen, promoting fluid production, regulating qi and relieving pain; It is suitable for weak body, insufficient body fluid after illness, stomach cold pain, hernia pain and other symptoms. Modern research has found that litchi can nourish brain cells and improve insomnia, forgetfulness and dreaminess.

It can also promote skin metabolism and delay aging. However, people who eat too much litchi or people with special physique may have accidents when they eat litchi.

References:

Baidu encyclopedia-litchi