Báo cáo lâm nghiệp: "Efficient method of micropropagation and in vitro rooting of teak (Tectona grandis L ) focusing on large-scale industrial plantations" pptx
Báo cáo lâm nghiệp: "Efficient method of micropropagation and in vitro rooting of teak (Tectona grandis L.) focusing on large-scale industrial plantations" pptx
... Tissueculture of forest trees – Clonal multiplication of Tectona grandis (teak) by tissue culture, Plant Sci. Lett. 17 (198 0) 259–268.[14] Krishnapillay B., Silviculture and management of teak plantations, in: ... Regional teak marketing and trade,Proceedings of third regional seminar on teak, Indonesia, 2001,pp. 1–14.[3] Castro R.D., Diaz G.J., Linero J.C., In vitro clonal propagation of elite trees of ... presence of auxin or putrescine.IBA alone induced 30−50% rooting depending on its con-centration, producing swollen and brittle roots. Putrescinealone (160 mg L −1 ) promoted about 70% of rooting. ...
- 6
- 382
- 0
Báo cáo lâm nghiệp: "Effect of Melampsora larici-populina on growth and biomass yield of eight clones of Populus nigra" ppsx
... clones from each other in the best way as for the intensity of rust infection. Yield decline was quite low (9 %) in clone 49, which belonged to the most infected clones. Similarly, in clone ... decline in dry matter yield caused by the rust was low (below 9 %) or zero in a half of the clones while it ranged between 19% and 28% in the other half of clones. In some clones the yield decline ... and beginning of August).Evaluation e trait of resistance to Melampsora larici-populina was evaluated in fi eld conditions using a 6-point scale: 0 – no signs of rust infection on leaves;...
- 9
- 523
- 0
Báo cáo lâm nghiệp: "Effects of microsite variation on growth and adaptive traits in a beech provenance trial." pps
... spa-tial arrangement of blocks used was very ineffi cient in handling the microenvironmental variation with- in the trial site. All blocks are clearly heterogeneous with respect to all environmental ... variation within populations and/ or environmental variation on very small scales.Analysis of covariance confi rmed the expected signifi cant provenance eff ect on all traits (Table 2). Generally, ... discoloration was scored on 6 dates, again dispersed over the whole season, using a 5-stage scale (1 – green leaves, 2 – beginning of autumn colouring of individual leaves, 3 – beginning of...
- 8
- 364
- 0
Báo cáo lâm nghiệp: "Effect of species composition, stand density and site index on the basal area increment of oak trees (Quercus sp.) in mixed stands with beech (Fagus sylvatica L.) in northern France" potx
... simulations to analyze thebehaviour of the model [60]. All graphic and statistical analy-sis was realised with SAS [51].4. RESULTSThe segmented nonlinear model (Eq. ( 1)) fit well in all of the ... to the individual trees [9]. In addition, our dataset is not based on crop-tree selectionthinnings, but on stand-related thinning regimes. This partlyexplains the linear relation of ∆g and DBH ... ageoak ), and site quality (SIoak ) as potentially in uencing variables.We calculated the stand density in two steps. We did thisby using the self-thinning rule (Rdi, Eq. ( 3)) formulated byReineke...
- 11
- 422
- 0
Báo cáo lâm nghiệp: "Effects of drought and heat on forest insect populations in relation to the 2003 drought in Western Europe" ppt
... expected in 2004 in the same region did notmaterialize. Conversely, exceptionally high population levels of the beech woolly aphid, Phyllaphis fagi L. were observed in 2004 (Fig. 2) following a ... level; ( +) = local damages with low population level; ( ) = populationdecrease; (n) = no data available; empty cell = no damage or outside insect geographic distribution.Damage location and intensityGuild ... depends, on the level of the insect popu-lations and the ability of pioneer individuals to attract con-geners, on the levels of tree natural defense mechanisms and the efficacy of beetle associated...
- 12
- 452
- 0
Báo cáo lâm nghiệp: "Effect of leaf biomass and phenological structure of the canopy on plot growth in a deciduous hardwood forest in northern Japan" pot
... precipitation during the growing season (May-October). We alsoexamined whether strong winds resulted in early leaffall by regress-ing relative monthly leaffall (the ratio of monthly leaffall to annualleaffall) ... emerge in early spring; these main-tain foliage with minimal investment in stem elongation. Long shootshave long stems with several late leaves that continue to emerge fromspring until summer, and ... October. In each year, relative LB2 was larger in HT than in UT; generally,relative LB2 was intermediate in LT (Fig. 5). Differences among plotswere small in 1985 (just after thinning) and in the last...
- 8
- 347
- 0
Báo cáo lâm nghiệp: "Effect of tree species substitution on organic matter biodegradability and mineral nutrient availability in a temperate topsoil" pptx
... White C., Volatile and water-soluble inhibitors of nitrogen mineral-ization and nitrification in a ponderosa pine ecosystem, Biol. Fertil.Soils 2 (198 6) 97–104.To access this journal online:www.edpsciences.org/forestTree ... improves soil quality of sloping oakstands in a German low mountain range, Ann. For. Sci. 62 (200 5) 23–29.[31] Paavolainen L. , Kitunen V., Smolander A., Inhibition of nitrification in soil by monoterpenes, ... emission of compounds inhibiting nitrogen mineralization (i.e. 20000-foldless in clear-cut plot than in the forest).Net nitrification was mainly the highest in soils originat-ing from beech and...
- 9
- 368
- 0
Báo cáo lâm nghiệp: "Efficiency of early selection for rotation-aged wood quality traits in radiata pine" pdf
... Aus-tralia, has about 750 000 ha of plantations [47]. Of the 7.3 mil-lion cubic meters of softwood sawlogs and veneer logs, valuedat $460 millions at the mill gate annually [1], radiata pine logscurrently ... experimental design of Rennick and Flynn sites.Site Flynn RennickLatitude 38◦12’ 37◦40’Longitude 146◦40’ 140◦54’Elevation (m) 100 70Rainfall (mm) 760 710Soil Sandy loam SandyThinning None ... control of growth of radiata pine to 6-years and efficiencies of early selection, SilvaeGenet. 37 (198 8) 138–146.[7] Cown D.J., McConchie D .L. , Effects of thinning and fertilizer ap-plication on...
- 9
- 383
- 0
Báo cáo lâm nghiệp: "Effects of selective thinning on growth and development of beech (Fagus sylvatica L.) forest stands in south-eastern Slovenia" docx
... (T1 and T 2) and the control stands (C1 and C 2) in July 1994. All plant species54 A. Boncina et al.Table VII. Species richness and abundance of plant species in the herb layer in the thinned and ... smaller number of crop (selected) trees in the first thinning and thinning intensities, taking account of economical factors [46, 51]. In Slovenia, selective thinning is the main type of thin-ning ... followed by 282 and 216 tph dur-ing the second and last thinning, respectively. Only 160 trees of the original crop trees (62 %) were chosen again during thelast thinning, and 70 trees (27 %) of...
- 11
- 365
- 0
Báo cáo lâm nghiệp: "Effects of the clear-cutting of a Douglas-fir plantation (Pseudotsuga menziesii F.) on the chemical composition of soil solutions and on the leaching of DOC and ions in drainage waters" pps
... Effects of clear-cutting on soil solutions and ecosystem functioning In the soil upper layers, ZTL and TL solutions changed in different ways: the concentration of elements in ZTL solutionsstrongly ... gravitational solutionsusing zero-tension plate lysimeters (ZTL) made up of polyethylenebecause they are the solutions really drained out of the soil, and, (ii) capillary solutions collected by tension-cup ... immediately l- tered (0.45 µm), maintained at 4 ˚C, and analysed as quickly as pos-sible (in general, in the week following the collection). Each repli-cate of TL solutions was analysed separately...
- 18
- 416
- 0
Từ khóa: cách làm báo cáo tốt nghiệphướng dẫn làm báo cáo tốt nghiệp khoa kế toánbáo cáo lâm nghiệpcách làm bìa báo cáo tốt nghiệpcách làm slide báo cáo tốt nghiệpNghiên cứu sự biến đổi một số cytokin ở bệnh nhân xơ cứng bì hệ thốngNghiên cứu tổ chức pha chế, đánh giá chất lượng thuốc tiêm truyền trong điều kiện dã ngoạiNghiên cứu tổ chức chạy tàu hàng cố định theo thời gian trên đường sắt việt namGiáo 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 LPWANNghiên cứu về mô hình thống kê học sâu và ứng dụng trong nhận dạng chữ viết tay hạn chếNghiên cứu khả năng đo năng lượng điện bằng hệ thu thập dữ liệu 16 kênh DEWE 5000Định tội danh từ thực tiễn huyện Cần Giuộc, tỉnh Long An (Luận văn thạc sĩ)Tổ chức và hoạt động của Phòng Tư pháp từ thực tiễn tỉnh Phú Thọ (Luận văn thạc sĩ)BT Tieng anh 6 UNIT 2Tăng 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)Tranh tụng tại phiên tòa hình sự sơ thẩm theo pháp luật tố tụng hình sự Việt Nam từ thực tiễn xét xử của các Tòa án quân sự Quân khu (Luận văn thạc sĩ)chuong 1 tong quan quan tri rui roGiáo 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 KIỀMMÔN TRUYỀN THÔNG MARKETING TÍCH HỢPTÁI CHẾ NHỰA VÀ QUẢN LÝ CHẤT THẢI Ở HOA KỲ