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Arbor Day | Green together to add luster to the Earth
Good rain knows the season, when spring is here. It is also a spring green, busy planting trees from top to bottom. Arbor Day, whenever this season, many people will choose to plant trees today, but how is the Arbor Day? Arbor Day / Tree Planting Day is a festival set forth by law in some countries to promote forest benefits and mobilize the masses to participate in afforestation activities. According to the length of time can be divided into tree planting day, tree planting week or planting tree, collectively known as Arbor Day. Through such activities, people are encouraged to love afforestation and afforestation feelings, improve people's awareness of the function of forests, promote afforestation, achieve the goal of protecting forests with forests, expanding forest resources and improving the ecological environment. Is to mobilize the people to plant trees and the provisions of the festival. In July 1915, at the initiative of Dr. Sun Yat-sen, the then Beiyang government formally ordered the ceremony of setting tree planting festival with annual Ching Ming Festival as an Arbor Day, a designated place and a selection of tree species. All levels of government, organs and schools across the country attended the ceremony. Engaged in tree planting. After the approval on July 21 of that year, the whole country was ordered to handle the matter on schedule. Since then, there have been Arbor Day in our country. March 12, 1925, Mr. Sun Yat-sen passed away. In 1928, to commemorate the third anniversary of the death of Sun Yat-sen, the government held a tree planting. Later, in order to commemorate Mr. Sun Yat-sen, the annual March 12 as an Arbor Day. On February 23, 1979, the 6th meeting of the Standing Committee of the Fifth NPC of our country decided that March 12 will continue as an Arbor Day in order to encourage people of all nationalities across the country to plant trees, afforest the motherland, improve the environment and benefit their children and grandchildren Offspring As people's growing awareness of environmental protection for the city a variety of trees for the Earth A little more green about the health of everyone The value of a tree Arbor Day is to protect people advocating the planting of trees to encourage people to care for trees to remind people to pay attention Trees. Trees play a very important role in the survival of humankind and in improving the ecological environment of the earth. Professor Dess Calcutta Agricultural University in Calcutta calculated the ecological value of a tree: a 50-year-old tree, cumulatively generating oxygen at a value of about $ 31,200 Absorbing toxic gases and preventing atmospheric pollution About $ 62,500 Increasing soil Fertility value of approximately US $ 31,200 Water conservation value of US $ 37,500 Providing breeding places for birds and other animals US $ 31,250 Value of protein produced US $ 2,500 Value of flowers, fruits and timber excluding flowers, fruits and timber Total value of approximately US $ 196,000 Arbor Day Meaning Afforestation allows soil and water Get hold of the tree has such a huge root system, like a giant hand firmly grasp the soil. The moisture of the soil that is caught is absorbed by the roots of the tree. According to statistics, there is 20 tons more water in a mu forest than in a non-forest area. Afforestation can windbreak sand to combat the wind and sand attacks, we must create shelterbelt in order to reduce the wind power. Once the wind encountered shelter forest, the speed weakened 70% to 80%. If separated by a certain distance, arranged in parallel with a lot of forest belt, and then planted on the grass, so wind blowing grit will also be reduced. Afforestation can purify the air for human beings We know that people inhale oxygen and smoke out carbon dioxide every day. On the contrary, the leaves of trees keep photosynthesis in the sunshine and inhale carbon dioxide to release oxygen. According to statistics, a mu of forest can absorb 67 kilograms of carbon dioxide per day, releasing 49 kilograms of oxygen, enough for 65 adults breathing. Afforestation can clear the pollution of trees can stick to the dust in the air so that the air is clean and fresh. Scientific tests show that: one mu of forest a month can absorb 4 kg of sulfur dioxide, a toxic gas, can absorb 20 tons to 60 tons of dust a year. Mu acre berlin two days and nights can secrete 2 kilograms of bacteriocin can kill tuberculosis, typhoid, diphtheria, dysentery and other germs. Afforestation can reduce noise pollution Planting trees on both sides of the road can reduce noise. A great variety of trees, flowers and green branches can beautify the environment and provide an ideal environment for people to study, work and live. Afforestation provides many useful ingredients and supplies for eating, with a variety of sweet and savory fruits; fragrant tea leaves; and Ligustrum lucidum that nourishes the body and is tasty and delicious. Ginkgo and other precious herbs. In use, engage in construction, mining coal, transportation, manufacturing vehicles, ships, ruler, building bridges, piers, papermaking and so require timber. So apart from planting trees, but also what? We can save paper The paper is made of trees, save paper, is to protect the trees. As we all know, but in real life, many people are unconsciously wasting paper, wrongly-printed pieces of paper, blank pieces of paper are discarded, paper towels are only partially thrown, and so on. All these unconsciously cause a lot of waste ... Do not use disposable chopsticks According to relevant information, China consumes 45 billion pairs of disposable chopsticks each year, consuming 1.66 million cubic meters of timber, cutting about 25 million trees and reducing the forest area to 2 million square meters. Love flowers and trees to the spring, often see someone see a nice flower to pick one, see interesting branches twists and turns, these are the behavior of hurt trees. Environmental awareness and action are another kind of tree planting