我们于1979年开展了油松硬枝扦插育苗的研究,已取得初步成效、现介绍于下: 一、试验地概况该试验在陕西的南五台试验站进行。此处海拔高639米;年平均气温13.2℃,绝对最高温43.4℃,绝对最低-17.1℃,相对湿度73%;年雨量687.4毫米,无霜期210天。土壤为深厚肥沃的褐土,pH7左右。排、灌条件较 We conducted a study on the hardwood cutting propagation of Pinus tabulaeformis in 1979 and achieved initial results. The introduction is as follows: I. Overview of the trial The trial was conducted at the South Wutai Experimental Station in Shaanxi Province. Where the elevation of 639 meters; the annual average temperature of 13.2 ℃, the absolute maximum temperature of 43.4 ℃, absolute minimum -17.1 ℃, relative humidity of 73%; annual rainfall 687.4 mm, frost-free period of 210 days. The soil is deep and fertile cinnamon, about pH7. Row, irrigation conditions than