农学 >>> 林学 >>> 森林培育学 >>> 竹类研究
搜索结果: 1-5 共查到森林培育学 thinning相关记录5条 . 查询时间(0.573 秒)
Crop trees are the main bearers of qualitative and value production of the stands. Although the number and production of the mentioned trees are affected by various factors, crown development by means...
In the paper, selected quantitative characteristics of 57-year-old oak pole stage stand were analysed on plots with different thinning regimes at its establishment. Six thinning treatments were perfor...
Effects of thinning were studied in an air-polluted young stand of Norway spruce on Polom series in the Orlické hory Mts. (North-Eastern part of the Czech Republic) founded in 1980 in 15 years old spr...
To determine the invasion and growth processes of natural broadleaved trees in a conifer plantation, and to examine the influence of forest operations on these processes, we investigated the species c...
Past management, stand structure and tree quality composition were investigated in six stands of about 100-year-old Chamaecyparis obtusa plantations, to understand the effects of their respective thin...

中国研究生教育排行榜-

正在加载...

中国学术期刊排行榜-

正在加载...

世界大学科研机构排行榜-

正在加载...

中国大学排行榜-

正在加载...

人 物-

正在加载...

课 件-

正在加载...

视听资料-

正在加载...

研招资料 -

正在加载...

知识要闻-

正在加载...

国际动态-

正在加载...

会议中心-

正在加载...

学术指南-

正在加载...

学术站点-

正在加载...