一、前言众所周知,橡胶的种植北界不等同于具有一定经济效益的北界,后者对气候条件的要求往往更加严格。橡胶树原产热带,喜高温多湿,怕风畏寒,北移到广东大陆地区,主要问题是有些年份的冬季气温较低,出现不同程度寒害。如果生产种植过程中遭受严 First, the preamble As we all know, the planting of rubber is not the same as the northern boundary of a certain economic benefits of the North, the latter on the climatic conditions are often more stringent requirements. Tropical tropics rubber tree, like high temperature and humidity, fear of wind chills, northward move to the mainland of Guangdong, the main problem is that in some years the winter temperature is low, there are different degrees of cold damage. If the production is severely impaired during planting