The benefits of greening projects a green can increase the oxygen content in the atmosphere. People and animals in the growth process, every day will absorb a lot of oxygen and emit large amounts of carbon dioxide. The oxygen is the basis of all biological survival on Earth. Lack of oxygen often leads to decreased function of the body, and even a threat to human life. In life we ??also had this personal experience, surrounded by greenery, grass green place, we will feel fresh air in particular, it is very easy to relax physically and mentally. This is green in the manufacture of natural oxygen bar for us. Green plants in the sun for photosynthesis can Nanshan gardening green plants absorb carbon dioxide and release oxygen. Studies have shown that trees per hectare can absorb one ton of carbon dioxide per day, produced 0.735 tons of oxygen; grass per hectare can absorb 0.9 tons of carbon dioxide every day, produce 0.6 tons of oxygen. Therefore, green district greening of the city, more and more people's attention. Second, the green can purify the air Nanshan gardening green plants and improve air quality. We now can see the air quality daily on the news every day, we can see, people living in the city is very concerned about their air quality around. The green can greatly improve air quality. According to the research, Nanshan gardening green plants, the green coverage rate of 30% of the lots, atmospheric carbon dioxide reduction of at least 90%. Green plants for dust in the air, dust, also has a good filtration and absorption, and can block the dust in the air. Green can not only play the role of clean air, but also improve the air quality. In the green coverage rate of 30% of the lot, the air carcinogens can drop 58%, while the number of the planet can be distributed 1.7 tons certain aromatic substances into the atmosphere every day, the aroma unmatched disinfection. Pruning should be carried out prior to transplanting a seedling transplanting tree pruning is intended to adjust the tree line, balanced vigor, reduce transpiration, improve the survival rate of transplanted trees, trim mainly refers to pruning and pruning two parts. 2, depending on the amount of pruning trees, ease the survival of transplanted seedlings, planting method, digging seedling quality to determine the general initiation ability, root, with a soil ball transplanting, dig the root of good quality can be reduced appropriately trim amount. 3, pruning should be kept natural tree should be cut bore thin branches, overlapping branches, drooping branches, for pest branches, dead branches, broken branches must be cut off, long leggy branches should be controlled. 4, deciduous tree pruning: ① before digging seedlings for tree tall, with a clear central leader, spindle distinct species (Ginkgo biloba, Metasequoia, Taxodium, etc.) should be thinning, to protect the main shaft of the terminal bud, the central Leadership dry upright growth. ② spindle obvious deciduous trees (maple class), controlled by pruning should compete with the main branch of the collateral, so that leading branches upright growth. ③ easy to germinate branches of trees (sycamore, Sophora japonica, poplar, willow, etc.), pay attention not to cause the lower part of the branches piduan planting, given the height of the dry according to the environmental conditions, usually 3-4 meters. 5, evergreen pruning: ① the small size of the evergreen before transplanting generally do not cut or light pruning. ② pests before planting only cut off branches, dead branches, grow weak branches, drooping branches and the like. ③ evergreen coniferous tree only thinning, sparse lateral bud, buds may not be cutting back and thinning. ④ tall trees due to transplanting pruning, tree thinning should be flush with the trunk, leaving piles. 6, pruning Seedlings: Bare root seedlings before transplanting should be cut off root rot, thin and long root, root damage split, with the coarser smooth kerf, favorable healing. Horticulture green plants, green plants Nanshan, China Sheng garden greenery provided by the Futian District, Shenzhen Huasheng gardening operation. Futian District, Shenzhen Huasheng gardening operation (www.huahui168.cn) (www.huahui168.cn) strong, credible, in Shenzhen, Guangdong flowers and trees, fruit seed industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Hua Sheng garden into the brilliant green and you work for a better future!