搜索结果: 1-2 共查到“农学 thinnings”相关记录2条 . 查询时间(0.044 秒)
Structure and accumulation of litterfall under Norway spruce stands in connection with thinnings
litterfall nutrients thinning Norway spruce
2015/2/2
The effect of thinning on the structure and accumulation of litterfall and holorganic horizons (L, F, H) in young Norway spruce stands was investigated. The research was conducted on a Norway spruce t...
Induction thinnings of mountain spruce forests
spruce induction thinnings thinning percent type of thinning thinning interval thinning index
2015/2/2
The paper presents models of decennial thinning percents of spruce in mountain locations. They were derived by regression fitting from empirical material with 108 measurements on 93 research plots. Mo...