论文部分内容阅读
白皮松(Pinus bungeana),又名白骨松,耐旱,耐瘠薄,较耐寒,为我国特有树种之一。但分布面积不大,仅零散分布在河北、河南、陕西、山西等省的中、低山区,其分布边缘可延至邻近我省的湖北、四川、甘肃等省。在我省自然分布的地理范围为北纬32°57′～35°42′,东经106°55′～110°16′,跨北亚热带、暖温带两个气候带。适生土壤,北亚热带以黄褐土为主,暖温带为淋溶褐色森林土等。
Pinus bungeana, also known as bones pine, drought-tolerant, barren, more hardy, one of the endemic species in our country. However, the distribution area is not large, only scattered in Hebei, Henan, Shaanxi, Shanxi and other provinces in the low mountains, the distribution of the edge can be extended to neighboring Hubei Province, Sichuan, Gansu and other provinces. The natural geographical distribution in our province ranges from latitude 32 ° 57 ’to 35 ° 42’ north and longitude 106 ° 55 ’to 110 ° 16’ east, spanning both northern and warm temperate climates. Suitable soil, North subtropical yellow cinnamon soil, warm temperate forest soil leaching brown.