搜索结果: 1-15 共查到“农学 Scots pine”相关记录24条 . 查询时间(0.088 秒)
Effect of wood ash mulch on growth of Scots pine seedlings after transplanting into peat soil: A pilot study
ash recycling forest soils nutrients soil additives
2018/3/6
Wood ash production from power plants and the use of recycled ash for earthworks and forest peatland fertilization
have increased markedly in Finland in recent decades. In this study, effects of wood...
Analysis of biomass in young Scots pine stands as a basis for sustainable forest management in Czech lowlands
nutrients nutrient-poor sites Pinus sylvestris L. crown stem roots
2018/3/6
Scots pine covers large areas on sandy soils in lowlands of the Czech Republic. These sites can be threatened by nonsustainable
biomass removal after clear-cutting. Totally 14 young pine stands at 14...
The structure of Scots pine and Black locust forests in the Northern Steppe of Ukraine
forest fund wood stock indexes of forest biometrics forest-forming species age structure functional categories of forest
2016/8/2
The article describes the distribution of areas of Scots pine (Pinus sylvestris Linnaeus) and Black locust (Robinia pseudoacacia Linnaeus) stands within the Northern Steppe of Ukraine based on forest ...
The occurrence of early-arriving saproxylic beetles on Scots pine logging residues generated by thinning
bark- and wood-boring beetle branch felling date pest Pinus sylvestris treetop
2015/8/27
The occurrences of early-arriving saproxylic beetles were examined on 1,200 fragments of Scots pine (Pinus sylvestris L.) logging residues generated by thinning in a single stand in the Drahanská High...
Bacillus pumilus – a new phytopathogen of Scots pine – Short Communication
Pinus sylvestris bacteriosis phytopathogenic bacteria soft rot
2015/5/18
Large bleeding lesions on stem and branches of pine trees, wet black spots and depressed cancer wounds
of different sizes at the base of knots, dying off the bark around knots and sapwood exposure o...
Analysis of the genetic structure of a model Scots pine (Pinus sylvestris) seed orchard for development of management strategies
fructification gene markers isozymes Monte-Carlo test Rao coefficient Shannon index
2015/4/24
Genetic structure, diversity and clonal homogeneity were determined on the basis of the isozyme gene markers in a model Scots pine seed orchard in the north-eastern part of the Czech Republic that ori...
Needle longevity as a criterion of response to a climatic fluctuation (so called heat wave) in Scots pine populations at early phases of ontogeny
Scots pine Pinus sylvestris number of needle age classes needle retention climatic episode of heat wave
2015/4/14
The paper presents results of an assessment of needle age classes in Scots pine partial populations in the period of three and five years after outplanting in a lowland site in relation to conditions ...
Impact of Scots pine admixture in European beech stand on dissolved organic carbon and nitrogen leaching from organic and humic horizons of Dystric Arenosols in Northern Poland
European beech Scots pine leaching carbon cycling nitrogen cycling
2015/4/14
The effect of Scots pine admixture in European beech stand on the leaching of dissolved organic carbon (DOC), dissolved organic nitrogen (DON), nitrate nitrogen (NO3-N) and ammonium nitrogen (NH4-N) f...
Species diversity across the successional gradient of managed Scots pine stands in oligotrophic sites (SW Poland)
clear-cutting vegetation succession forest management Leucobryo-Pinetum undergrowth vegetation
2015/4/14
The Scots pine communities are common forest types in Central Europe, however, the general model of changes resulting from cyclical management practices is still unclear. The aim of this paper is to p...
Early-arriving saproxylic beetles developing in Scots pine stumps: effects of felling type and date
phloem- and wood-feeding beetles thinning final felling month of felling
2015/4/14
A total of 320 Scots pine (Pinus sylvestris L.) low stumps were analysed within two stands (one stand was thinned, and the other stand was subjected to clear-cut final felling) in the Drahanská Highla...
The effect of different stand density on diameter growth response in Scots pine stands in relation to climate situations
diameter growth Pinus sylvestris precipitation temperature thinning
2015/3/19
The effect of stand density on the resistance of Scots pine (Pinus sylvestris L.) to climatic stress and subsequent response of diameter increment were investigated using data gathered from six long-t...
A trend of proliferation of proleptic shoots in partial populations of Scots pine
Pinus sylvestris L proleptic shoots Scots pine populations summer shoots
2015/3/19
The incidence of the summer (late-seasonal) growth of shoots was monitored following the planting of Scots pine from different provenances of the Czech Republic and different planting regimes in an ex...
An economic aspect of conversion of Scots pine (Pinus sylvestris L.) stands in the Polish Lowland
Pinus sylvestris pine stands oak stands
2015/3/16
Pine stands at fertile sites need conversion into broadleaved or mixed forests. Yet, according to the age of stand, conversion may have different economic results. Therefore, in order to reduce costs ...
The applicability of the Pipe Model Theory in trees of Scots pine of Poland
Scots pine Pipe Model Theory sapwood tree crowns profile theory biometric traits
2015/3/12
In order to test the application importance of the Pipe Model Theory and to develop models for the share of sapwood in tree stems, a total of 114 Scots pines (Pinus sylvestris L.) were felled within t...
Complex study of foliage nutrient status in ash fertilized Scots pine stands in Lithuania
Scots pine needles wood ash nitrogen foliage nutrients
2015/3/12
In Lithuania, a typical Scots pine stand under the influence of wood ash and nitrogen fertilization, containing different treatments and the control, was analyzed. The study aim was to interpret the f...