搜索结果: 1-4 共查到“林学 line”相关记录4条 . 查询时间(0.121 秒)
Superior Line from Anther Culture of Dendrocalamus latiflorus Selected after Field Trial
Anther Culture Dendrocalamus latiflorus Field Trial
2023/6/2
The selection of superior lines is extremely important to improve the utilization rate and economic value of bamboo. In this research, 120 anther-regenerated bamboo lines were planted in the field, an...
Effects of vegetation type and horizontal curve radius on the rate of tree pruning to provide line of sight on main access roads
tree pruning vegetation type sight line
2015/5/5
The present investigation was carried out to assess the influence of vegetation type and horizontal curve
radius on the rate of tree pruning to provide the line of sight on horizontal curves in Casp...
Cluster reforestation near the timber line
dwarf pine height growth Krkonoš e Mts. reforestation spruce timber line underplanting
2015/3/27
Plantation of spruce in clusters (small collectives with 20–30 individuals with dense spacing) was realized on a small clear-cut and under the forest stand near the timber line in the Krkonoše Mt...
The effect of point application of fertilizerson the soil environment of spread line windrows in the Krušné hory Mts
fertilization Kruš né hory Mts. rhizosphere site preparation
2015/3/19
The plateau of the Krušné hory Mts. belongs to areas that suffered the greatest damage caused by air-pollution stresses in Europe. A part of cultural practices aimed at the reconstruction of loca...