In winter, trees also need to be protected from the cold and warm. A few days ago, the reporter saw that the green workers were wrapping several iron trees on the road in the park and putting on a warm "coat" for them.
According to the on-site staff, since the iron tree is easy to cause frostbite if it is below 0 °C, it can be wrapped well before cooling down, which can effectively help the iron tree overwinter. In addition, every winter, the green workers also have to scrape off the warped bark of the plane tree, the effect is to destroy the wintering place of the plane tree square-winged net bug, and some camphor trees need to be brushed with tree whitening agent, the main role is to prevent cold and frost, and kill overwintering pests and bacteria.
Source: Shanghai Songjiang