搜索结果: 1-9 共查到“农学 Abies alba”相关记录9条 . 查询时间(0.061 秒)
The Strong Position of Silver Fir (Abies alba Mill.) in Fertile Variants of Beech and Oak-Hornbeam Forests in the Light of Studies Conducted in the Sudetes
ecology silviculture phytosociology habitat preferences
2023/12/18
Silver fir is one of the longest living and tallest trees in Europe, it has major commercial importance and may be found in various communities predominantly connected with lower mountainous locations...
Use of nuclear microsatellite loci for evaluating genetic diversity among selected populations of Abies alba Mill. in the Czech Republic
simple sequence repeats silver fir populations genetic variability and differentiation genetic distance gene reserves DNA analysis
2015/8/27
The simple sequence repeats (SSR) method of DNA analysis was used to determine genetic diversity within and among silver fir (Abies alba Mill.) populations. Total genomic DNA was extracted from 250 Ab...
Nutrition of silver fir (Abies alba Mill) growing at the upper limit of its occurrence in the Šumava National Park and Protected Landscape Area
Abies alba silver fir nutrition Š umava National Park and Protected Landscape Area upper limit of occurrence
2015/3/19
In the second half of 20th century silver fir regeneration has been observed throughout all of the Europe, including the Czech Republic. The Bohemian Forest – Šumava Mts. is one of the regions wh...
A study on the variation of morphological characteristics of silver fir (Abies alba Mill.) seeds and their internal structure determined by X-ray radiography in the Beskid S筪ecki and Beskid Niski mountain ranges of the Carpathians (southern Poland)
Abies alba X-ray seed viability
2015/3/16
The variation of the morphological characteristics and internal structure of silver fir (Abies alba Mill.) seeds from 4 stands growing at the altitude of 625?50 m in the Beskid S筪ecki and Beskid Niski...
Growth and health state of silver fir (Abies alba Mill.) in the ridge area of the Jizerské hory Mts
silver fir Abies alba Mill. artificial regeneration chemical amelioration
2015/3/12
The silver fir was planted under mountain conditions in order to reveal its response to the addition of finely ground rocks (limestone and amphibolite) mixed with soil into the planting holes. The res...
Growth and development of silver fir (Abies alba Mill.) regeneration and restoration of the species in the Karkonosze Mountains
natural regeneration planting light biometric measurements
2015/3/12
The main task of the study was to investigate the growth conditions of silver fir natural regeneration in the Karkonosze Mts. (Poland). The paper examines the quantity and quality of light reaching th...
Reaction of Silver fir (Abies alba Mill.) plantation to fertilization
Silver fir site amelioration species composition reforestation apical dominance
2015/2/6
Silver fir as a domestic species is an important tree in our forests. Unfortunately it has suffered from serious dieback in Central Europe in the last decades. Reintroduction of Silver fir is not an e...
A development cycle of the forest with fir (Abies alba Mill.) and beech (Fagus sylvatica L.) in its species composition in the Świętokrzyski National Park
forest development cycle periods of decline recovery and transformation SINUS System Abies alba Fagus sylvatica Ś wię tokrzyski National Park
2015/2/2
The objectives of this study are to determine the progress of the development cycle of the forest taking into account untypical development periods caused by fir decline and recovery, and to compare t...
Seasonal dynamics of the diameter increment of fir (Abies alba Mill.) and beech (Fagus sylvatica L.) in a mixed stand
silver fir European beech diameter increment dendrometer climatic factors
2015/2/2
In the growing season 2001 changes were studied in the diameter increment of selected sample trees of silver fir and beech in a mixed stand using mechanical girth dendrometers. Within the selected set...