Báo cáo lâm nghiệp: "Analysis of herbicide effects on Douglas fir (Pseudotsuga menziesii [Mirb.] Franco) natural regeneration" ppsx
báo cáo khao học ''''survival after outplanting of the ectomycorrhizal fungus laccaria bicolor s238n inoculated on douglas
... al.Survival of Laccaria inoculated on Douglas fir Original articleSurvival after outplanting of the ectomycorrhizal fungus Laccaria bicolor S238N inoculated on Douglas fir (Pseudotsuga menziesii (Mirb.) ... year after outplanting, height of all cuttings wasmeasured.Survival of Laccaria inoculated on Douglas fir 83 Survival of Laccaria inoculated on Douglas fir 89Table VII. Percentage of ectomycorrhizal ... and effect of Laccaria bicolor S238N on Douglas fir cuttings after field transplantationThree years after tranplantation, the mycorrhizalstatus of the control cuttings inherited from the nurserywas...
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Báo cáo lâm nghiệp: "Analysis of some dynamic series of forest production and trends of forest economics in the Czech Republic" ppt
... m3/ha (according to Report on the Condition of Forests and Forestry in the Czech Republic, 2004).Timber felling In the whole post-war period, annual timber fell-ing in the forestry of Czech Republic ... some dynamic series of forest production and trends of forest economics in the Czech RepublicV. KFaculty of Forestry and Wood Technology, Mendel University of Agriculture and Forestry Brno, ... each other – both with respect to the development of commercial forest production and in terms of the implementation of the strategy of sustainable life and application of principles of near-natural...
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Báo cáo lâm nghiệp: "Analysis of herbicide effects on Douglas fir (Pseudotsuga menziesii [Mirb.] Franco) natural regeneration" ppsx
... on high growing stock, wood production and especially the values of mensurational indices attract attention. At Analysis of herbicide effects on Douglas fir (Pseudotsuga menziesii [Mirb.] Franco) ... Effect of site preparation on survival and growth of Douglas fir (Pseudotsuga menziesii [Mirb.] Franco) seedlings. New Forests, 3: 89–98. G L. (1996): Production capacity evaluation of the ... Czech)B F. 2007b): Natural regeneration of Douglas fir (Pseudotsuga menziesii [Mirb.] Franco) in forest stands of Hůrky Training Forest District, Higher Forestry School and Secondary Forestry...
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Báo cáo lâm nghiệp: "Ground based operation effects on soil disturbance by steel tracked skidder in a steep slope of forest" ppt
... precipitation rates, these machines are likely to remain the most common type of skid-ding machine used. In mountainous and steep areas, the terrain slope is an important factor that a ects operational ... costs and erosion. It may also a ect the soil compaction, so in planning forest operations and aligning skid trails the terrain slope may be an im-portant consideration for protecting soil ... productivity can be originated by such intense logging operations.e common effects on soils from ground based forest operations are increased compaction and removal of litter mass in skid trails (T...
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Báo cáo lâm nghiệp: "Analysis of the production potential of raw wood in the forests of Slovakia" pps
... 2003 SP 26 028 OC 04 Modification of Utility Properties of Wood Materials and Extension their Using.Analysis of the production potential of raw wood in the forests of SlovakiaR. P, J. MNational ... in the area dis-tribution of age classes occurred mainly due to the realization of regeneration felling, including salvage felling in the stands of lower age classes. Dynamic changes in the ... country. In the Slovakia considerable attention has been paid to the issues of wood production and regulation of its felling. Permanent forest monitoring, mainly of the growing stock in forest...
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Báo cáo lâm nghiệp: "Effect of stand segmentation on growth and development of Norway spruce stands" pps
... international IUFRO experiment dealing with the ra-tionalization of young spruce stand tending (A 1977). One part of this series, Machov CZ 14 experi-Effect of stand segmentation on growth and ... values (mean and standard deviation) of stand volume (open triangles) and volume of mean stem (grey circles) of spruce stands in Machov experiment at the age of 41 years (2007). Comparison for three ... of stand segmentation (track width) on production characteristics and static stability of young spruce stands it can be stated:– Positive effect on growth characteristics was found only for...
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Báo cáo lâm nghiệp: "Analysis of snow accumulation and snow melting in a young mountain spruce and beech stand in the Orlické hory Mts., Czech Republic" pptx
... in the last decade of April, the snow melting rate in spruce reached about 26 mm/day, in beech about 28 mm/day and in the open area maximally 37 mm/day. All snow melted in spruce and in the ... process of snow precipitation in the spruce and beech stands, snow depth and snow water equivalent were always higher in the leafless broadleaved stand. At the same time, it has been proved that the ... –● rain; ∗ snow; ●∗ rain with snow; ∗● snow with rainStatistical significance of differences in the snow water equivalent in the spruce and beech stands in the period of snow accumulation...
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Báo cáo lâm nghiệp: "Analysis of the aerial application of fertilizer and dolomitic limestone" docx
... variability of the applied amount of fertilizers (meeting the required amount in the particular parts of Habovka area)2001). On the other hand, the complex analyses of aerial spraying and quality ... needles before the application of fertilizer or dolomitic lime-stone, and to evaluate the total amount of substance (whether the amount of substance after application is the same as the required ... an overapplication of lime in 9% to 12% of the field and an underapplication on 37% to 41% of the field. When analyzing older cases, one of the main findings is that the variability of the spread...
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Báo cáo lâm nghiệp: "Analysis of the accuracy of GPS Trimble Juno ST measurement in the conditions of forest canopy" pot
... Brno, in the vicinity of the Brno Dam, and the second area (area B) was situated northeast of Brno, on the southern border of the for-est ground belonging to the Křtiny Training Forest Enterprise ... for testing the aforementioned GPS JUNO ST, as the accuracy quoted by the manufacturer is 1 to 5 m after post-process correction.Table 1. List of testing pointsPoint No. Forest stand type ... consider the largest obstacle of GPS measuring in a forest stand – adverse geomorpho-logical conditions, then the measurement is signifi-cantly in uenced especially by the structure and age of the...
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Báo cáo lâm nghiệp:"Analysis of log shape and internal knots in twenty Maritime pine (Pinus pinaster Ait.) stems based on visual scanning and computer aided reconstruction" pptx
... 137144â INRA, EDP Sciences, 2003DOI: 10.1051/forest:2003006Original articleAnalysis of log shape and internal knots in twenty Maritime pine (Pinus pinaster Ait.) stems based on visual scanning and ... sawing simulation.5. CONCLUSIONSThe use of visual scanning techniques and computer- aided reconstruction was applied for Maritime pines and 3D and 2Drepresentations were obtained for logs and ... access this journal online:www.edpsciences.org Stem and Knots in Pinus pinaster Ait. 143 In summary, the reconstruction of the maritime pine stems based on visual scanning as made in this study allowed...
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Báo cáo lâm nghiệp: "Effects of a clear-cut on the in situ nitrogen mineralisation and the nitrogen cycle in a 67-year-old Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco) plantation" potx
... nitrification in non-nitrifying soil, although mineralisation increased. Finally, Barg and Edmonds [4] found no change in mineralisation and nitrification rates after partial or total clear-cut, as ... containing an anion resin bag and six cylinders containing a cation resin bag were set up. Finally, at the beginning of October 1996, the quantity of resin in each cylinder wasdoubled by adding ... and drainage of mineral N were calculated as the product of the water flux(throughfall and soil leaching respectively) and N -N and N -Nconcentrations in solutions. Drainage of water was calculated...
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Báo cáo khoa học: " Mating system in a clonal Douglas fir (Pseudotsuga menziesii (Mirb) Franco) seed orchard. I. Gene diversity and structure" doc
... alleles in the clones and in the commercial seedlot Original article Mating system in a clonal Douglas fir (Pseudotsuga menziesii (Mirb) Franco) seed orchard. I. Gene diversity ... rare alleles are disadvantageous.The disadvantage of a rare allele is not nec- Erickson VJ, Adams WT (1989) Mating success in a coastal Douglas fir seed orchard as affected ... segment on the mating system in a Douglas fir (Pseudotsuga menziesii (Mirb) Franco) seed orchard. Silvae Genet 35, 149-155El-Kassaby YA, Ritland K, Fashler AMK, Devitt WJB(1988)...
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Báo cáo khoa học: "Mating system in a clonal Douglas fir (Pseudotsuga menziesii (Mirb) Franco) seed orchard. II. Effective pollen dispersal" pptx
... Original articleMating system in a clonal Douglas fir (Pseudotsuga menziesii (Mirb) Franco) seed orchard. II. Effective pollen dispersalD PratLaboratoire INRA-ENGREF de ... outcrossing rate and pollen contamina-tion in Picea abies seed orchard. Scand J For Res 8,8-17Prat D, Caquelard T (1995) Mating system in a clonal Douglas fir (Pseudotsuga ... out-crossing and contamination to reproductive phenol-ogy and supplemental mass pollination in a Douglas fir seed orchard. Silvae Genet 35, 240-244El-Kassaby YA, Ritland K, Fashler...
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Báo cáo lâm nghiệp: "Analysis of lipophilic compounds in needles of Pinus pinea L" docx
... (1991) [7] in oleoresin of P. pinea; the last seven acids in wood and bark byHafizoglu (1989) [5], and the first six, in soil of a P. pinea forest and in plant material from this Pinus species ... 28%. The levels of these acids in trees 7 and 8 werevery similar to those of abietic acid, the main resin acid. Lipophilic compounds in Pinus pinea L. 453Table III. Fatty and resin acids, such ... dehydroabietic acids (resin acids). Fifty-six compounds were described for the first time in needles of this Pinus species. Pinus pinea / needle / terpenes / fatty acids / resin acidsRésumé – Analyse...
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Báo cáo lâm nghiệp: "Assessment of the effects of below-zero temperatures on photosynthesis and chlorophyll a fluorescence in leaf discs of Eucalyptus globulu" pps
... pmol quanta.m-2’s-1 are slightlyincreased in treatments of 2 h at -2 and - 3°C, whereas in treatments at -4 and The increasing delay of the fluorescence decrease kinetics ... saturating light and C02concentration (provided by a bicarbonate/car-bonate buffer, pH 8.7, giving rise to a C02concentration of approximately 5%), using anLD-2 Hansatech ... Assessment of the effects of below-zero temperatures on photosynthesis and chlorophyll a fluorescence in leaf discs of Eucalyptus globulusL.F. Serrano,M.M. Chaves,M.H. AlmeidaJ.S....
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Từ khóa: báo cáo lâm nghiệpcách làm báo cáo tốt nghiệphướng dẫn làm báo cáo tốt nghiệp khoa kế toáncách làm bìa báo cáo tốt nghiệpcách làm slide báo cáo tốt nghiệpcách làm báo cáo tốt nghiệp chuyên ngành kế toánBáo cáo quy trình mua hàng CT CP Công Nghệ NPVNghiên cứu vật liệu biến hóa (metamaterials) hấp thụ sóng điện tử ở vùng tần số THzNghiên cứu tổ chức chạy tàu hàng cố định theo thời gian trên đường sắt việt namBiện pháp quản lý hoạt động dạy hát xoan trong trường trung học cơ sở huyện lâm thao, phú thọGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitĐỒ ÁN NGHIÊN CỨU CÔNG NGHỆ KẾT NỐI VÔ TUYẾN CỰ LY XA, CÔNG SUẤT THẤP LPWANĐỒ ÁN NGHIÊN CỨU CÔNG NGHỆ KẾT NỐI VÔ TUYẾN CỰ LY XA, CÔNG SUẤT THẤP LPWANPhát triển du lịch bền vững trên cơ sở bảo vệ môi trường tự nhiên vịnh hạ longTìm hiểu công cụ đánh giá hệ thống đảm bảo an toàn hệ thống thông tinThiết kế và chế tạo mô hình biến tần (inverter) cho máy điều hòa không khíKiểm sát việc giải quyết tố giác, tin báo về tội phạm và kiến nghị khởi tố theo pháp luật tố tụng hình sự Việt Nam từ thực tiễn tỉnh Bình Định (Luận văn thạc sĩ)Tăng trưởng tín dụng hộ sản xuất nông nghiệp tại Ngân hàng Nông nghiệp và Phát triển nông thôn Việt Nam chi nhánh tỉnh Bắc Giang (Luận văn thạc sĩ)Giáo án Sinh học 11 bài 15: Tiêu hóa ở động vậtGiáo án Sinh học 11 bài 15: Tiêu hóa ở động vậtNguyên tắc phân hóa trách nhiệm hình sự đối với người dưới 18 tuổi phạm tội trong pháp luật hình sự Việt Nam (Luận văn thạc sĩ)Giáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtGiáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtBÀI HOÀN CHỈNH TỔNG QUAN VỀ MẠNG XÃ HỘIHIỆU QUẢ CỦA MÔ HÌNH XỬ LÝ BÙN HOẠT TÍNH BẰNG KIỀM