... Enclosing them in a cuvette causes errors in A, E and g. Effects of soil temperature on gas exchange and mor- phological structure of shoot and root in 1 yr old Scots pine (Pinus ... (Pinus sylvestris L. ) seedlings J. Lippu P. Puttonen Department of Silviculture, University of Helsinki, Unioninkatu 40 B, 0 017 0 H...
Ngày tải lên: 09/08/2014, 04:20
... S 17 10 ; 10 3,92 Groggrü Sa P 611 ’300 / 12 9’800 840 S 7 10 ; 10 4,29 Leytron Forêt de Sinlio Le A 577’850 / 11 3’400 14 20 SE 19 10 ; 10 4,53 Montagnon Le P 5 81 550 / 11 5’700 770 S 12 10 ; 10 4,03 Grisons ... Publishing, Wallingford, 2002, 10 1 11 1. [38] Neet-Sarqueda C., Genetic differentiation of Pinus sylvestris L. and Pinus mugo aggr. populations in Switzerla...
Ngày tải lên: 08/08/2014, 00:22
Báo cáo lâm nghiệp: "Effects of drainage treatment and stand growth on changes in runoff components from a forested watershed" pps
... (19 7 3): Principles and applications. Part II – eo- ries of drainage and watershed runoff. Wageningen, Interna- tional Institute of Land Reclamation and Improvement. H Z. (19 9 5): Draining of forest ... Regulation of water regime of agricultural soils by draining. Praha, ČSNI 19 94. (in Czech) ČSN 75 4306 Hydrotechnical meliorations. Drainage channels. Praha,...
Ngày tải lên: 07/08/2014, 03:22
Báo cáo lâm nghiệp: "Effects of nitrogen on the selection of food by Phyllobius arborator (Herbst)" pot
... birch plants (Betula pendula Roth) into containers (10 -litre volume) with a soil substrate from the Cambic mineral horizon of forest soil. Soil properties were modified adding 1 l peat to a plant. ... of feeding in a laboratory rearing (0.95 reliability intervals) Fig. 10 . Mean consumption of food by males of Phyllobius arborator after 6 days of feeding in a lab...
Ngày tải lên: 07/08/2014, 10:21
Báo cáo lâm nghiệp: "Effects of spruce, beech and mixed commercial stand on humus conditions of forest soils" pdf
... determined. Values of exchangeable pH were always lower than those of actual pH. e ex- changeable and actual reactions of soil (Figs. 3 and 4) decreased from L to H in all stands. e lowest values ... about 10 % (K 19 9 7). As for the division of soils according to the values of soil reaction into particular buffer zones, soil under the broadleaved sta...
Ngày tải lên: 07/08/2014, 10:21
Báo cáo lâm nghiệp: " Hazel improves soil quality of sloping oak stands in a German low mountain range" potx
... the nutrient cycles in upper soil horizons is particularly important in the nutrition of woodlands growing on soils of low nutrient status [10 ]. To find out if hazel influences soil quality in sloping oak stands ... microbial activity and carbon mineralisation (C min ) in the topsoil of the investigation sites Mono1, Mix1, Mono2 and Mix2 (Mono = oak monoculture;...
Ngày tải lên: 08/08/2014, 00:21
Báo cáo lâm nghiệp: " Effects of ectomycorrhizal inoculation and the type of substrate on mycorrhization, growth and nutrition of containerised Pinus pinea L. seedlings produced in a commercial nursery" docx
... Official methods of analysis of the Association of Official Analytic Chemists, Sidney W. (Ed .), AOAC, Inc. Arling- ton VA, 19 84. Nursery production of containerised P. pinea 819 (1. 8 g L 1 ) ... spores of the five fun- gal species plus non-inoculated control plants. One-month -old seedlings were inoculated with 10 mL of the target spore suspension of the corres...
Ngày tải lên: 08/08/2014, 00:22
Báo cáo lâm nghiệp: " Effects of site preparation with micro-basins on Pinus halepensis Mill. afforestations in a semiarid ombroclimate" potx
... 11 , 23] have underlined the importance of climatic conditions operating on the tree seedlings during the first year of planting on the land. Fernández et al. [13 ] indicate as well that environmental ... were allocated to every one of the following situations: exposure in sidehills (three in sunny slopes and three in shady slopes) and type of site preparation (three o...
Ngày tải lên: 08/08/2014, 00:22
Báo cáo lâm nghiệp: " Effects of intensive versus no management strategies during an outbreak of the bark beetle Ips typographus (L.) (Col.: Curculionidae, Scolytinae) in the Tatra Mts. in Poland and Slovakia" ppsx
... total percentage of stands up to 14 0 years old was equal in both countries, older stands in Poland com- prised three additional age classes, but in Slovakia there was only one additional age class. ... nearly equal in Polish and Slovak areas and highly correlated (Spear- man rank correlation r = 0. 91, p < 0.0 0 1) , especially during the culmination phase (19 94 19 9 7...
Ngày tải lên: 08/08/2014, 00:22
Báo cáo lâm nghiệp: "Effects of artificial damage on the branching pattern of Nothofagus dombeyi (Nothofagaceae)" ppsx
... labelled parent shoot (Fig. 1) : (t . 1) clipping of the apex, including all folded leaves; (t. 2) clipping of the four most distal axillary buds and subtend- ing leaves 1 ; (t. 3) clipping of the four ... offspring shoot, ( 3) length of the longest offspring shoot, ( 4) number of leaves of the largest offspring shoot, ( 5) MDR, ( 6) MLR, ( 7) MNR,...
Ngày tải lên: 08/08/2014, 00:22