Báo cáo lâm nghiệp: "Response of birch (Betula pendula Roth)

Báo cáo lâm nghiệp: "Response of birch (Betula pendula Roth) phytophages to liming" pdf

... in Chomutov and Dieter Bussmann Co. in Ústí nad Labem. Response of birch (Betula pendula Roth) phytophages to liming E. K Faculty of Forestry and Wood Technology, Mendel University of Agriculture ... as well as the vitality of trees are changed. Changes in the chemistry of assimilatory organs of birch (Betula pendula Roth) after the application of d...

Ngày tải lên : 07/08/2014, 10:22

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Báo cáo lâm nghiệp:" Response of newly planted Norway spruce seedlings to fertilization, irrigation and herbicide treatments" pps

... Sweden, bud induction occurs in the begin- ning of July [18] with a rapid period of development for a period of up to six weeks [8]. The length of the leading shoot the second year after planting ... e ijkl where m is the general mean, A i is effects of the blocks, B j is effects of irrigation, C k is effects of herbicide treatment and D l is effects of fertilization. Th...

Ngày tải lên : 08/08/2014, 01:21

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Báo cáo lâm nghiệp: "Response of the Norway spruce (Picea abies [L.] Karst.) root system to changing humidity and temperature conditions of the sit" ppt

... 100 ecto M-5-P 43 56 96 ecto M-7-Z 100 100 100 ecto M-7-P 62 64 149 ecto M-12-Z 100 110 100 ecto M-12-P 40 112 121 ecto M-23-Z 100 100 100 ecto M-23-P 58 125 134 ecto M-25-Z 100 100 100 ecto M-25-P ... ecto R-3-Z 100 100 100 ecto R-3-P 49 142 140 ecto R-5-Z 100 100 100 ecto R-5-P 46 126 130 ecto R-8-Z 100 100 100 ecto R-8-P 40 163 174 ecto *relative expression, in all stand situations 100% o...

Ngày tải lên : 07/08/2014, 03:22

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Báo cáo lâm nghiệp: "Response of Douglas-ﬁr leaf area index and litterfall dynamics to Swiss needle cast in north coastal Oregon, USA" ppt

... tree leaf area to the stand-level and to relate stand attributes to LAI and foliage litterfall. A total of 26 young plantations (10–30 years of age) and 10 older plantations (30–60 years of age) were ... predicting litter input to soil and the size of soil carbon pools [31]. Currently, over 72 000 ha of Douglas-ﬁr plantations in the Coast Range of Oregon, USA, are showing...

Ngày tải lên : 07/08/2014, 16:20

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Báo cáo lâm nghiệp: "Response of shoot growth and gas exchange of Picea abies clones to rain acidity and the addition of ions" ppt

... 728-733 Response of shoot growth and gas exchange of Picea abies clones to rain acidity and the addition of ions P. Van Elsacker I. Impens Department of Biology, University of Antwerp ... by several factors, among them, air pollution is thought to be very important. Interfer- ence of pollutants with the ecophysiologi- cal performance of fo...

Ngày tải lên : 09/08/2014, 04:20

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Báo cáo lâm nghiệp: "Application of digital elevation model for mapping vegetation tiers" pdf

... 2005). e aim of presented paper is to explore possibili- ties of using DEM for mapping vegetation tiers. DEM is considered to be a useful tool for transferring the knowledge of vegetation ... around the towns of Valašské Klobouky and Bru- mov-Bylnice, and between the towns of Uherský Brod, Luhačovice, and Bojkovice. Both sites cover an area of approximately 10,000 ha in...

Ngày tải lên : 07/08/2014, 10:21

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Báo cáo lâm nghiệp: "Pyrolysis of Pinus halepensis needles treated with fire retardants" pdf

... retarding action of AS. Pyrolysis of pine needles in presence of retardants 555 The presence of phosphoric acid and phosphorous pentoxide would cause an earlier dehydration of cellulose through ... of some domi- nant Mediterranean vegetation species, Int. J. Wildland Fire 10 (2001) 23–27. [2] Faroq A.A., Price D., Milnes G.J., Use of gas chromatographic ana- lysis of volatile...

Ngày tải lên : 08/08/2014, 01:22

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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

... growth retardation of Carpathian birch is still to be done and should be a topic of further research. Despite some growth retardation of Carpathian birch, the application of basic amendments ... 2001 . Some experience of European birch (Be- tula pendula Roth) and Carpathian birch (Betula carpatica W. et K.) planted on the ridge part of the Jizerské hory Mts. J...

Ngày tải lên : 07/08/2014, 10:22

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Báo cáo lâm nghiệp: "Reduction of wood hygroscopicity and associated dimensional response by repeated humidity cycles" doc

... August 2004) Abstract – The reduction of wood response to variations of ambient humidity, described as kind of ageing, has been studied from both points of view of moisture uptake and dimensional ... thereby giving to the cellulose, and therefore by extension to the wood, a hygroscopic nature. Due to its hygroscopic nature, a consequence of the presence of OH groups in t...

Ngày tải lên : 08/08/2014, 00:21

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Báo cáo lâm nghiệp: "Response to an ozone gradient of growth and enzymes implicated in tolerance to oxidative stress in Acer saccharum (Marsh.) seedlings" pot

... part of the species-related survivalist strategy of growth for sugar maple, which allowed seedlings to tolerate the high O 3 levels of this experiment. However, under high O 3 , growth of neoformed ... de- fensive capacity of these neoformed ﬂush seems to collapse at the end of the season. As previously explained, this may lead to a decreased production of reducing power a...

Ngày tải lên : 08/08/2014, 00:22

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