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华北落叶松(Larix principis——rupprechtii)是我国华北地区的主要造林树种。建国至今,各地均有引种,栽培区域不断扩大。我省小陇山、子午岭、祁连山等林区都有大面积的栽植,并取得了良好的效果。我场自1977年以来,先后引进了华北落叶松、油松、华山松、白皮松、云杉等针叶树种,多年来的实践证明,华北落叶松不但造林保存率高、而且生长较快、现保存的220余亩华北落叶松幼林,生长良好,长势喜人。
Larix principis - rupprechtii is the main tree species in North China. Since the founding of the People’s Republic of China, introduction has been made all over the country and cultivation areas have been continuously expanded. Xiaolongshan in our province, Ziwu Ridge, Qilian Mountains and other forest areas have a large area of planting, and achieved good results. Since 1977, my field has successively introduced conifers such as Larix principis-rupprechtii, Pinus tabulaeformis, Pinus armandii, Pinus bungeana, Pinus bungeana, Spruce and so on. Practice has proved that Larix principis-rupprechtii not only has high afforestation rate but also grows fast and is saved Of 220 acres of Larix principis-rupprechtii, grow well, grows gratifying.