Báo cáo lâm nghiệp: " Influence of a planting hole application of dolomitic limestone powder and basalt grit on the growth of Carpathian birch (Betula carpatica W. et K.) and soil chemistry in the air-polluted Jizerské hory Mts." pptx

Báo cáo lâm nghiệp: " Influence of temperatures and precipitation on radial increment of Orlické hory Mts. spruce stands at altitudes over 800 m a.s.l" ppt

... to examine the eﬀect of the most important climatic factors (tem-perature and precipitation) on the radial increment of selected spruce stands in the Orlické hory Mts. MATERIAL AND METHODSResearch ... Inﬂuence of temperatures and precipitation on radial increment of Orlické hory Mts. spruce stands at altitudes over 800 m a.s.l. M. R, P. Č, T. K, E. P, T. ŽFaculty of ... from 1888 to 2007.Creation of the climatic time series for the Orlické hory Mts. For the purposes of our research the climatic time series of temperatures and precipitation for the Orlické hory...

Báo cáo lâm nghiệp: " Influence of stand density, thinning and elevated CO2 on stem wood density of spruce" pot

... Republic, Project No. 2B06068, and the Research Intention of ISBE AS CR, Project No. AV0Z60870520.Inﬂuence of stand density, thinning and elevated CO2 on stem wood density of spruceI. T1, ... cultivation. Stand density of two subvariants (s – sparse with ca 5,000 trees/ha and d – dense with ca 10,000 trees/ha) and thinning impact (intensity of 27%) on SWD and its variation along the stem ... Average stem wood density in elevated (E) and ambient (A) concentration of CO2 and sparse (s) and dense (d) subvariant independent from vertical stem proﬁle; (a) 2002, i.e. after 6 years of the...

Báo cáo lâm nghiệp: "Influence of pulverized limestone and amphibolite mixture on the growth performance of Alnus incana (L.) Moench plantation on an acidified mountain site" potx

... Foundation, Project No. 070108.Inﬂuence of pulverized limestone and amphibolite mixture on the growth performance of Alnus incana (L.) Moench plantation on an acidiﬁed mountain siteI. K1, V. B3, ... K., 2002. Biomass production and nutrient accumulation in short-rotation grey alder (Alnus incana (L.) Moench) plantation on abandoned land. Forest Ecology and Management, 161: 169–179.URI ... harsh mountainous environment, on the other hand it is an opportunity to introduce a broadleaved admixture there and thus to diversify the coniferous stands in terms of composition and structure.Some...

Báo cáo lâm nghiệp: " Influence of a planting hole application of dolomitic limestone powder and basalt grit on the growth of Carpathian birch (Betula carpatica W. et K.) and soil chemistry in the air-polluted Jizerské hory Mts." pptx

... 0002070201. In uence of a planting hole application of dolomitic limestone powder and basalt grit on the growth of Carpathian birch (Betula carpatica W. et K.) and soil chemistry in the air-polluted Jizerské ... this variant. On the other hand, in the basalt and control treatments, the foliar Ca concentrations have signiﬁcantly increased since planting. e concentration of Mg in the leaves of limed ... carpatica W. et K.) at an environmentally harsh mountain site and a response of this species to altered soil chemistry after dolomitic limestone and basalt grit applications. e Carpathian birch proved...

Báo cáo lâm nghiệp: "Evaluation through a simulation model of nutrient exports in fast-growing southern European pine stands in relation to thinning intensity and harvesting operations" doc

... and SG-ratio tested depending on thinning intensities for radiata pine and maritime pine. Pinus radiata Pinus pinaster Intensity of First thinning Second thinning First thinning Second thinning thinning ... study was to calculate the accumu-lation and the export of nutrients over time in Pinus pinaster(maritime pine) and Pinus radiata (radiata pine) stands under a range of silvicultural alternatives, ... exports of pine plantations and thinning 379Figure 1. Nutrient removals and nutrient returns to soil as logging residues due to thinnings and clear-cutting as a function of thinning intensity and...

Báo cáo lâm nghiệp: "Nursery fertilisation aﬀects the frost-tolerance and plant quality of Eucalyptus globulus Labill. cuttings" ppsx

... 10.1051/forest:2007071Original articleNursery fertilisation affects the frost-tolerance and plant quality of Eucalyptus globulus Labill. cuttingsManuel Fernándeza*, Celia Marcosa,RaúlTapiasa, ... how nursery fertilisation affects the field performance of plants. Thisled us to study the effect of three mineral nutrients (N, P and K) on both plant quality and frost tolerance. The experiment ... in the usual range used in the nurseries during the growing phase of the plants [28]. It was taken as a reference for calculating the dosage of nutrients applied in the other treatments. The...

Báo cáo lâm nghiệp: "Influence of light and competition on crown and shoot morphological parameters of Norway spruce and silver fir saplings" doc

... spp. and Brachipodium pinnatum. The effects of light level and competition on growth and on crown and shoot morphological parameters were assessed for 76 saplings(48 Norway spruce and 28 silver ... traits [13], and possibly in allocation pat-terns, but not to morphological ones. 4. CONCLUSIONSResults of the present study confirm the importance of light on growth and on crown, shoot and needle ... 10.1051/forest:2005019Original articleInfluence of light and competition on crown and shoot morphological parameters of Norway spruce and silver fir saplings Giacomo GRASSIa,b*, Raffaello GIANNINIc...

Báo cáo lâm nghiệp: " Influence of environmental conditions on radial patterns of sap flux density of a 70-year Fagus crenata trees in the Naeba Mountains, Japan" ppsx

... Map of projected canopy areas of the investigated Fagus crenata trees in the Naeba Mountains, Japan. The shaded canopies indicate the measurement trees. Table I. General characteristics of the investigated ... Adiku S.,Kakubari Y., Influences of environmental factors on the radial pro-file of sap flux density in Fagus crenata growing at different elevations in the Naeba Mountains, Japan, Tree Physiol. ... Radial patterns of SFD of Fagus crenata 2953.4. Radial patterns of SFDday using Weibull function with different environmental conditionWe continued our analysis of SFDday patterns in the...

Báo cáo lâm nghiệp: "Influence of flooding on growth, nitrogen availability in soil, and nitrate reduction of young oak seedlings (Quercus robur L.)" docx

... articleInfluence of flooding on growth, nitrogen availability in soil, and nitrate reduction of young oak seedlings (Quercus robur L.)Badr ALAOUI-SOSSÉ*, Bastien GÉRARD, Philippe BINET, Marie-Laure TOUSSAINT, ... realeffect of flooding via nitrogen availability in the soil.During flooding, amino acid contents in taproot of stressed seedlings remained high and similar to that of controls. Thisresult indicated ... underlined the involve-ment of cytokinin in bud break initiation of Quercus rubra seedlings. Initiation of new roots in stressed seedlings began26 days after flooding exposure, length and biomass...

Báo cáo lâm nghiệp: "Influence of cross section dimensions on Timoshenko’s shear factor – Application to wooden beams in free-free flexural vibration" ppsx

... 319321â INRA, EDP Sciences, 2006DOI: 10.1051/forest:2006011Original articleInfluence of cross section dimensions on Timoshenko’s shear factor – Application to wooden beams in free-free flexural ... effect of the cross section into account. Numerical shear factor values are calculatedaccording to variations in the height/width ratio of the cross sec-tion. The influence of the cross section ... examine the influence of the cross section height -to- width ratio on Timoshenko’s shear factor. This factor was introduced to account for the irregular shear stress and shear strain distribution over...

Báo cáo lâm nghiệp:"Influence of basic density and temperature on mechanical properties perpendicular to grain of ten wood tropical species" pot

... articleInfluence of basic density and temperature on mechanical properties perpendicular to grain of ten wood tropical speciesSandrine Bardeta*, Jacques Beauchêneb and Bernard Thibauta,ca Laboratoire ... function of temperature for one wood species (Dicorynia). Each cross represents onevalue of the three repetitions.Figure 7. Illustration of the model of evolution of one criterion respect to temperature. ... effect of temperature on every crite-ria, it was suggested to measure softening temperature on graphs. The curves of criterion in function of temperature wereFigure 6. Evolution of the twelve mechanical...

Báo cáo lâm nghiệp:"Influence of cotyledon removal on early seedling growth in Quercus robur L." doc

... M., Seedling longevity under deep shade in relation to seed size, J. Ecol. 84 (1996) 681–689. [28] Sonesson L.K., Growth and survival after cotyledon removal in Quercus robur seedlings, grown in ... Rydin H., Effects of competition, grazing and cotyledon nutrient supply on growth of Quercus robur seedlings, Oikos 79(1997) 53–58.[12] Gribko L.S., Jones W.E., Test of the float method of ... replications in each experiment, stage of growth and experimental conditions.Factorial experiment Harvest atdifferent stages of growth Full light ShadeStage of growth Control Cotyledon removal Control...

Báo cáo lâm nghiệp: "Influence of herbaceous competitors on early growth in direct seeded Fagus sylvatica L. and Quercus robur L" ppt

... 781788â INRA, EDP Sciences, 2005DOI: 10.1051/forest:2004075zOriginal articleInfluence of herbaceous competitors on early growth in direct seeded Fagus sylvatica L. and Quercus robur L. Magnus ... theafforestation of farmland using direct seeding of beech and oak.Firstly, there was no effect of competition from herbaceous vegetation on seedling growth during the first year. In addition,competition ... thedevelopment of direct seeded beech (Fagus sylvatica L.) and oak (Quercus robur L.) were monitored over three years and interpreted accordingto resources availability. Herbaceous competitors clearly...

Báo cáo lâm nghiệp: "Influence of exogenous L-proline on embryogenic cultures of larch (Larix leptoeuropaea Dengler), sitka spruce (Picea sitchensis (Bong.) Carr.) and oak (Quercus robur L.) subjected to cold and salt stress" pdf

... intracellular proline concentration in embryogenic cultures subjected to below freezing temperaturesThe concentration of proline in embryogenic cultures of larch, sitka spruce and oak is shown in ... sitchensis (Bong.) Carr.) Sitka spruce ECs were raised from immature embryos of sitka spruce clones and one cell line (574F) was maintained in sitka spruce embryo initiation medium [9]. 2.1.3. Oak (Quercus ... and oak (results not shown). 3.2. Influence of proline in relation to concentrations of NaClFigure 2 shows the growth rate of larch embryogenic cul-tures grown in varying concentrations of...

Báo cáo lâm nghiệp: "Influence of individual tree and stand attributes in stem straightness in Pinus pinaster Ait. stands" pps

... 10.1051/forest:2004005Original articleInfluence of individual tree and stand attributes in stem straightness in Pinus pinaster Ait. standsMiren DEL RÍO, Felipe BRAVO*, Valentín PANDO, Gemma SANZ, Rosario ... relationship between stem straightness and tree and stand attributes when the competitionbegins to be important. Straightness of maritime pine seedlings and saplings wasinfluenced by stand density only ... between root system and tree stability in first ages, particularly in plantations [12,23]. Pinus pinaster is the most extensive conifer in Spain, cov-ering over 700 000 ha in pure stands and 600...

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