搜索结果: 1-15 共查到“农学 Picea abies L. Karst.”相关记录32条 . 查询时间(0.078 秒)
Impact of risk factor management on the sanitary condition of Norway spruce (Picea abies [L.] Karst.) pure stands in Latvia
compartment location compartment shape
2015/5/5
In management of young forest stands, it is often the case in forestry that several risk factors, biotic,
abiotic and anthropogenic ones, have to be dealt with. An anthropogenic factor is of great i...
Development of spruce (Picea abies [L.] Karst.) target (crop) trees in pole-stage stand with different initial spacing and tending regime
Norway spruce target trees promising trees different spacing different tending
2015/4/14
This paper presents findings of a twenty-year investigation of silviculture-production in a 40-year-old afforested spruce pole-stage stand located in a mountain region. The stand was established by fo...
Soil environment and nutrient status of Norway spruce (Picea abies [L.] Karst.) underplantings in conditions of the 8th FAZ in the Hruby Jeseník Mts.
Norway spruce nutrient deficiency symptoms stand nutrition soil environment
2015/3/27
The main objective of this study was to investigate the causes of nutrient deficiency symptoms in Norway spruce (Picea abies [L.] Karst.) underplantings in the Hruby Jeseník Mts. In the area concerned...
Testing of microbial additives in the rooting of Norway spruce (Picea abies [L.] Karst.) stem cuttings
rooting of cuttings microbial additives ectomycorrhizal inoculation Picea abies Karst
2015/3/27
Laboratory-produced alginate-bead inoculum of ectomycorrhizal (ECM) fungi Cortinarius sp. and Gomphidius glutinosus, fungal commercial products ECtovit® and Trichomil®, bacterial commercial ...
Variability of Norway spruce (Picea abies [L.] Karst.) cone entomofauna in the Tatra National Park in association with the development of cones
cones entomofauna Norway spruce sequence Tatra Mts
2015/3/19
In the years 1987–1993 research aimed at the qualitative and quantitative composition of insects inhabiting the cones of Norway spruce (Picea abies [L.] Karst.) was carried out in the area of the Tatr...
Merocoenoses of cambioxylophagous insect fauna of Norway spruce (Picea abies [L.] Karst.) with focus on bark beetles (Coleoptera: Scolytidae) and types of tree damage in different gradation conditions
bark beetles the Beskids Central Europe merocoenoses Norway spruce, Picea abies tree damage
2015/3/19
Research on merocoenoses of cambioxylophagous insect fauna of Norway spruce (Picea abies [L.] Karst.) was carried out in spruce stands of different age in the area with an endemic population (Moravian...
Effect of initial height of seedlings on the growth of planting material of Norway spruce (Picea abies [L.] Karst.) in mountain conditions
Norway spruce mountain conditions mountain populations
2015/3/16
Common ways of nursery cultivation and sorting the planting material of mountain provenances of Norway spruce (Picea abies [L.] Karst.) are connected with the risk of undesirable narrowing of the gene...
Tolerance of Norway spruce (Picea abies [L.] Karst.) embryogenic tissue to penicillin, carbapenem and aminoglycoside antibiotics
aminoglycoside antibiotics Norway spruce Agrobacterium tumefaciens
2015/3/16
Somatic embryogenesis is conveniently utilized for the preparation of Norway spruce (Picea abies [L.] Karst.) transgenic clones by means of Agrobacterium. The establishment of successful transformatio...
Current possibilities of using Norway spruce (Picea abies [L.] Karst.) in forest regeneration in the air-polluted region of the northeastern Kru歯?hory Mts.
air pollution forest regeneration Norway spruce
2015/3/16
The paper analyses possibilities of repeated use of Norway spruce (Picea abies [L.] Karst.) in the regeneration of existing Norway spruce stands, in the regeneration of large-area clearcuts, and in th...
Variability of spruce (Picea abies [L.] Karst.) compression strength with present reaction wood
strength parallel to grain spruce compression wood
2015/3/16
The aim of research was to find out the variability of spruce (Picea abies [L.]) Karst.) wood compression strength limits in the direction parallel to grain. The wood strength was examined using sampl...
Comparison of morphological and physiological parameters of the planting material of Norway spruce (Picea abies [L.] Karst.) from intensive nursery technologies with current bareroot plants
plugs bareroot transplants containerized seedlings
2015/3/16
High quality of planting material is an essential prerequisite for successful artificial forest regeneration. We carried out a detailed investigation aimed at differences between plantable bareroot an...
Differences in fine root traits between Norway spruce (Picea abies [L.] Karst.) and European beech (Fagus sylvatica L.) ?A case study in the Kysuck?Beskydy Mts
ine root biomass and necromass mortality production
2015/3/16
Interspecific comparisons of the fine root 揵ehaviour?under stressful situations may answer questions related to resistance to changing environmental conditions in the particular tree species. Our stud...
Architecture of root branches of Norway spruce trees (Picea abies [L.] Karst.) growing in gley soil
Picea abies root branch gley soil
2015/3/12
In the locality Hnilé Blatá (the High Tatras Mts.), the structure was measured of root branches in the windthrown spruces (Picea abies [L.] Karst.). After cleaning the root plates, the number, diamete...
Seasonal fluctuation in germination of short and long-term stored Norway spruce (Picea abies [L.] Karst.) seeds
Picea abies [L.] Karst. short-term stored seed long-term stored seed germination energy germination capacity seasonal fluctuation
2015/3/12
Routine laboratory testing is done throughout the year to determine the quality of forest seeds. This raises the question of how the results are affected by possible seasonal effects on germination en...
Response of the Norway spruce (Picea abies [L.] Karst.) root system to changing humidity and temperature conditions of the site
Norway spruce decline climate change root system rots
2015/3/12
The Bohemian-Moravian Upland shows a large-scale decline and dieback of Norway spruce up to the forest altitudinal vegetation zone (FAVZ) 5. This phenomenon has been observed in the last 7 years and i...