1. Temperature: Mango likes warmth, but doesn't like frost. The annual average temperature in mango producing areas in the world is above 20℃, and the monthly minimum temperature is above 15℃. The average annual temperature in the producing areas that can grow and bear fruit normally in China is 19. 8-24. 1℃, but the annual average temperature is 2 1-22℃, and the highest temperature in Leng Yue is above 15℃, and there are many frost-free areas almost all year round. The effective temperature for mango growth is 18-35℃, the suitable temperature for new shoot growth is 24-29℃, and the average daily temperature for fruit setting and young fruit growth should be greater than 20℃. Insufficient temperature, poor pollination and fertilization, and even inflorescence death or embryo abortion death. When the temperature is higher than 37℃, the fruit of Copanawa will be sunburned; When the temperature is lower than 10℃, the growth of new shoots and new ears stops; When the temperature is lower than 5℃, seedlings, tender shoots and ears will suffer from cold; When the temperature is about 0℃, the shoots, shoots and peripheral leaves of seedlings and trees will be damaged or even died. Young trees below -3℃ freeze to death, and big trees freeze seriously.

2. Light: Mango is a kind of fruit tree that likes light. Adequate light can promote flower bud differentiation, blossom and set fruit, improve fruit quality and appearance. Usually, there are many flowers per plant with sunny crown or open environment, and the fruit setting rate is high; Mango fruit with too many branches and leaves, closed crown and insufficient light has few flowers and fruits, and its appearance and quality are poor. We can improve the lighting conditions in the garden and trees by shaping and pruning, thus increasing the yield and prolonging the high-yield period.

3. Moisture: Mango grows well in the area with annual rainfall of 700-2000mm, and the uneven distribution of annual rainfall in South China often affects its growth and development. If the air is too dry during flowering and early fruiting, it is easy to cause falling flowers and fruits; Too much rain leads to rotten flowers and poor pollination and fertilization; Too concentrated rainfall in summer often induces serious fruit diseases; Autumn drought after harvest mostly affects the germination and growth of autumn shoot mother branches.