摘要
经过对高寒地区北京杨速生丰产林20a的观察试验,提出了适合栽植北京杨速生丰产林的自然立地条件,确定了丰产林栽培的整地方式、栽植方式、造林密度及栽后管理方式。
Natural set conditions suitable plant grow fast and high yield stand Beijing Poplar were offered after observed and tested Beijing Poplar in high sea lever and low temperature region for 20 years. The type of soil praparation, plant, density and management were established for Beijing Poplar grow fast and high yield stand.
出处
《青海农林科技》
2004年第B03期37-38,63,共3页
Science and Technology of Qinghai Agriculture and Forestry
