There is a kind of neem tree in the countryside. It was once a common plant at our doorstep. It is considered a miscellaneous tree in the countryside, but it still has many uses. The cerium tree is also known as the vermicelli, the vermicelli, the vermicelli, the forest tree, etc. It is a deciduous tree plant of the Meliaceae family, with a height of 10-20m. The bark is dark brown, longitudinally cracked, and old branches are purple, with most tiny skin holes. Neem trees grow in the wilderness or by the road, and are often cultivated in front of the house and behind the house.
Plants for neem tree material are also medicinal plants. The flowers, leaves, fruits, and roots can be used as medicine. The roots and skins are used are poisonous. Follow the doctor's advice when using them. In addition, fruit kernel oil can be used to make lubricating oil and soap.
In addition to medicinal use, the neem tree is beautiful and has beautiful leaves. It blooms in the intersection of spring and summer. It is quite beautiful and has a light fragrance. It is suitable for shade trees and street trees. In addition, it is resistant to smoke and dust and resistant to sulfur dioxide, and is one of the beautified green tree species in cities and industrial and mining areas. It is very suitable for planting alone or clusters on lawns, or planting on ponds, roads, or slopes.
Neem tree can not only resist toxic and harmful gases such as sulfur dioxide and hydrogen fluoride, but also an expert in insecticide. It can prevent and control 12 serious agricultural pests and is called a pollution-free plant insecticide. Suitable for growing in subtropical monsoon areas with relatively superior hydrothermal conditions.
Neem trees are produced in various provinces and regions south of the Yellow River in China, and are more common; they grow in low-altitude wilderness, roadsides or sparse forests, and have been widely introduced as cultivation. It is a good afforestation tree species in plains and low-altitude hilly areas, and it is more suitable to plant it next to the village roadside.
Neem trees like warm and humid climate, like light, are not resistant to shade, are relatively cold-resistant, and young trees in North China are easily affected by frost damage. It can grow in acidic, neutral and alkaline soils, and it can also grow well on salted grounds with a salt content of less than 0.45%.