乔木在南方,因很多城市绿化建设力度不减,致使不少苗木价格明显上涨。其中,胸径18～20厘米的常绿乔木香樟价格在每株2200元以上,由于其存量少,价格还有上调的可能;胸径3厘米以上的黑松,价格呈上升趋势;高3米以上、冠幅 Arbor in the south, due to the intensity of green building in many cities diminished, resulting in a significant increase in prices of many nursery stock. Among them, the evergreen arborvitae with the diameter of 18-20 centimeters had a price of more than 2,200 yuan per plant. Due to its small stock, the price was likely to be raised. The price of black pine with a diameter of more than 3 centimeters was on the rise; the height was more than 3 meters , Crown width