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1.选地。油松适宜砂岩、花岗岩、片麻岩、石灰岩等风化的土壤。我省山区土壤水分是影响油松种子发芽、成苗、生长的主要因素,加之油松1～2年生幼苗耐阴的特点,所以一定要选择阴坡、半阴坡植被条件好,土层厚度20厘米以上的地方做造林地。 2.整地。最好是提前一年或一季整出来,经过一段时间的风化和蓄水,便于树籽的发芽生长。通常采用穴状整地,树埯长宽不小于40～50厘米,深20厘米以上,株行
1. Choose the place. Pine is suitable for sandstone, granite, gneiss, limestone and other weathered soil. Soil moisture in mountainous areas of our country is the main factor that affects the seed germination, seedling and growth of Pinus tabulaeformis seeds. Combined with the characteristics of Pinus tabulaeformis 1-2 year-old seedlings tolerant to shade, it is necessary to choose the suitable conditions for the shade slope and semi-shady slope, Do more than 20 centimeters to make forest land. 2. Site preparation. It is best to come out one year in advance or one season, after a period of weathering and water storage, to facilitate the germination and growth of tree seeds. Commonly used hole preparation, tree 埯 length and width of not less than 40 to 50 cm, 20 cm deep,