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围场县地处河北省北部的赛罕坝下,是个深山区县,海拔一千至一千五百米,地势高寒,无霜期短,生长期仅一百二十天,年平均气温摄氏五度以下,降水量四百至六百毫米,土壤为砂质壤土,适宜落叶松生长。我县现有落叶松天然林一万一千亩,人工林十五万亩。 为了尽快落实毛主席“绿化祖国”的伟大号召,为社会主义建设生产更多更好的木材,当前,大力营建采种母树林基地,迅速为群众性造林运动提供品质较好的良种,是一条行之
The county is located in the northern part of Saihanba in northern Hebei Province. It is a mountainous county with an elevation of 1,000 to 1,500 meters. It has the features of cold terrain, short frost-free period, only one hundred and twenty days of growth period and annual average temperature below five degrees Celsius , Precipitation 400 to 600 millimeters, the soil is sandy loam, suitable for the growth of larch. There are 11,000 mu of larch natural forest and 150,000 mu of plantation in our county. In order to expedite the implementation of Chairman Mao’s “green motherland,” the great call for the production of more and better wood for the construction of socialism, it is a matter of time to vigorously establish a base of planting mother trees and quickly provide good quality seeds for mass afforestation. It