【摘要】 <正> 植树造林,种苗先行。种苗是造林的物质基础。只有采用科学方法造林,才能提高造林的成活率。当然,提高造林成活率技术措施很多,本课题单就苗木自然风干对造林成活率的影响,加以论证。更多还原

【Abstract】 The influence of the natural air dry seedlings on the rate of afforestation was researed during 1984—1986, and was made in list and drawn into a picture, which proved that Pinus koraiensis, Pinus sylvesstris Var. mongolica, Larix, Picea, Fraxinus mandshurica and Populus, as the difference time of natural air dry, influenced the viability of afforestation.更多还原