城市园林绿化植物养护技术规范.doc

城市园林绿化植物养护技术规范
The fifth chapter, city landscaping plant maintenance technical specifications
1 General Provisions
This specification is applicable to maintenance technology within the administrative area of the province's public green space, protection green land, scenic woodland, residential green space, attached green space, road green of trees, flowers, and grass and other plants to be.
The survival rate of all kinds of plants planted for more than one year should be 98%, except for natural disasters or environmental pollution.
2 tree conservation
tree conservation
Tree protection should carry out prevention before cure spirit, make people realize "the protection of trees, is everyone's responsibility". Do a good job in the prevention of natural disasters.
The wounds on the tree should be cleaned, disinfected with chemicals, coated with protective agents or plaster plaster, so as to achieve early treatment, prevent expansion.
It is found that the tree hole should be repaired in time and the decay will be further expanded; the rotten parts should be
treated by surgical methods.
irrigation and drainage
All kinds of green land should have their plete irrigation and drainage system.
According to the different tree species and different site conditions, suitable period and proper irrigation should be carried out to keep the effective moisture content in the soil. The tree species with higher water and air humidity should be watered in the early morning or evening, and can be sprayed on the surface.
Before watering, the soil should be loosen first, and the cofferdam will be used to do well. Early and late summer watering; winter watering should be at noon. Watering should be done at once, especially in spring and summer. Water flow can not be too fast, to prevent surface runoff.
For rare trees, introduced trees and newly planted trees, the trunks and trees were sprayed according to the weather drought and plant growth.
The water after the rain