Who is Li Dazhao?
Li Dazhao (1888- 1929) was a famous Marxist, democratic revolutionary, educator, cultural celebrity and translator in modern China. He studied in Japan in his early years, accepted the enlightenment of Marxism, and actively engaged in revolutionary work after returning home. He was one of the early leaders of China Production Party. He is also an outstanding educator and cultural person. He once presided over the establishment of the Department of Philosophy and the Department of Literature of Peking University, and trained a large number of outstanding students and scholars. However, because of his adherence to the Marxist position, he was suppressed and persecuted by the Kuomintang government at that time and was finally executed.
Importance of planting trees
Planting trees is an important environmental protection action, which can not only beautify the environment, but also improve air quality, protect water sources, prevent soil erosion and slow down climate change. Especially in the process of modern urbanization, planting trees is an essential task. Urban greening can reduce air pollution, lower the temperature and improve the quality of life of residents. Therefore, Arbor Day is not only held to commemorate Li Dazhao, but also to promote the development of national greening and make people realize the importance of planting trees.
Operating steps of planting trees
1. Choose a good place to plant trees. Generally speaking, the place where trees are planted should be open, sunny and well drained. At the same time, be careful not to choose telephone poles, pipes, buildings and other places, so as not to affect future use.
2. Dig a tree pit. The size of the tree pit depends on the size of the tree. Generally speaking, the diameter of the pit should be 2-3 times of the crown width, and the depth should be slightly greater than the root depth of the tree.
3. Put in nutrient soil. Put a certain amount of nutrient soil in the tree pit to let the trees absorb nutrients.
4. plant trees. Put the tree in the pit, adjust the direction and posture of the tree, then fill the pit with nutrient soil and tamp it hard.
Water it. After planting, trees should be fully watered so that they can grow smoothly.
1, the shelf life of lipstick is generally about three years.
2, lipstick expired, in principle, no matter how much you have used, you don't need to