1, a tree suitable for planting on Arbor Day-Cinnamomum camphora
The terpenoids emitted by camphor tree, such as bicyclic hydrocarbons, camphenes, limonene and eugenol, have strong absorption capacity for harmful gases such as sulfur dioxide and chlorine. Living in an environment with camphor trees for a long time will avoid suffering from many incurable diseases. Therefore, Cinnamomum camphora has become the first choice for landscaping in many cities and regions in the south, and is favored by the landscaping industry.
2. Wei Zi, a tree suitable for planting on Arbor Day.
Lagerstroemia indica is drought-tolerant, waterlogging-tolerant, moist, light-loving and fat-loving. It has strong resistance to sulfur dioxide, hydrogen fluoride and nitrogen, and can inhale harmful gases. According to the determination, each kilogram of leaves can absorb sulfur 10g and dust. Therefore, it is the ideal tree species for urban, industrial and mining greening, and can also be used as bonsai.
3. A tree suitable for planting on Arbor Day-weeping willow
Willow branches are slender, soft and drooping, dancing with the wind, graceful and natural, and are ideal for planting on the banks of rivers and lakes. Soft branches linger in the water and have been important garden ornamental trees since ancient times. It can also be used as street trees, shade trees, bank-fixing and dike-protecting trees and plain greening trees. In addition, weeping willows are very resistant to toxic gases and can absorb sulfur dioxide.