搜索结果: 1-3 共查到“林学 stratification”相关记录3条 . 查询时间(0.046 秒)
Does prolonged stratification of Douglas fir influence the yield of seedlings?
provenance germination emergence
2015/7/2
A total of ten seed lots were used for evaluating germination capacity, originating from the Czech Republic, Slovakia,
France and the USA. Germination capacity, emergence rate and yield of seedlings...
Improving RBS estimates − effects of the auxiliary variable, stratification of the crown, and deletion of segments on the precision of estimates
randomized branch sampling multistage sampling unequal selection probabilities
2015/3/6
Randomized Branch Sampling (RBS) is a multistage sampling procedure using natural branching in order to select samples for the estimation of tree characteristics. The existing variants of the RBS meth...
Effects of Stratification, Temperature and Storage on Germination in Three Provenances of Fraxinus angustifolia subsp. oxycarpa Seeds
Fraxinus angustifolia subsp oxycarpa seed dormancy pretreatment seed storage
2009/1/12
The effects of stratification, temperature and storage on seed germination performance were investigated in 3 provenances of Fraxinus angustifolia subsp. oxycarpa seeds. In the first study, seeds wer...