forestry
Forestry is one of the pragmatic studies of how we cultivate mountains and economically utilize the various materials in the mountains. It is not too long ago that research on forests began at this level. After the industrial revolution of the nineteenth century, due to the increase in population and the development of urban civilization, the rapid increase in the demand for timber due to the mass production of paper and the construction of houses has made the new value of the economic value of the forest, Became a national concern. After the middle of the twentieth century, the interest of urban people, who want to escape from the barren urban civilization and spend leisure time in the forests and rural areas, emphasized the importance of well-preserved forests. In Korea, April 5 is designated as the Arbor Day, and the work of cultivating the blue mountains is taken as a national movement.