Báo cáo lâm nghiệp: "Growth versus storage: responses of Mediterranean oak seedlings to changes in nutrient and water availabilities " ppsx

Báo cáo lâm nghiệp: "Growth versus storage: responses of Mediterranean oak seedlings to changes in nutrient and water availabilities." ppsx

Báo cáo lâm nghiệp: "Growth versus storage: responses of Mediterranean oak seedlings to changes in nutrient and water availabilities." ppsx

... 10.1051/forest:2006104 Original article Growth versus storage: responses of Mediterranean oak seedlings to changes in nutrient and water availabilities Virginia S P ´  a * , Pilar C  D ´  a , Fernando ... was to assess the combined response of growth, carbohydrate and nitrogen reserves of seedlings of three Mediterranean oaks (Quercus c...
Ngày tải lên : 07/08/2014, 16:20
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Báo cáo lâm nghiệp: "Multifunctional forestry practices as a land use strategy to meet increasing private and public demands in modern societies" ppt

Báo cáo lâm nghiệp: "Multifunctional forestry practices as a land use strategy to meet increasing private and public demands in modern societies" ppt

... the industrial and economic expansion of a country. is has been a decisive element in turn- ing forestry into a modern sector of the economy, functioning according to the principle of sustain- able ... (6): 290–298 and managing responsibly. Openness and flexibility in reacting to changing societal needs and values, understanding of the ecological, social and econo...
Ngày tải lên : 07/08/2014, 03:22
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Báo cáo lâm nghiệp: " Hazel improves soil quality of sloping oak stands in a German low mountain range" potx

Báo cáo lâm nghiệp: " Hazel improves soil quality of sloping oak stands in a German low mountain range" potx

... [10]. To find out if hazel influences soil quality in sloping oak stands we determined several soil physical, chemical and microbial properties and the abundance of Lumbricidae in mixed oak- hazel ... July and November of 2002 to reach a total number of 40 replicates per location and year. Soil samples were sieved at a mesh size of 2 mm. Soil pH was determined accor...
Ngày tải lên : 08/08/2014, 00:21
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Báo cáo lâm nghiệp: " Growth of wild cherry (Prunus avium L.) in a mixture with other species in a demonstration forest" ppsx

Báo cáo lâm nghiệp: " Growth of wild cherry (Prunus avium L.) in a mixture with other species in a demonstration forest" ppsx

... main crown layer in the stand. e height/frequency diagram depicts two groups of wild cherry trees in the stand belonging to dominant/codominant and suppressed tree classes. Height periodic increment ... capacity to keep its position in a stand. MATERIAL AND METHODS A large stand with wild cherry trees as a stand- forming species in the area of Demonstration Forests in...
Ngày tải lên : 07/08/2014, 03:22
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Báo cáo lâm nghiệp: "Growth and physiological state of beech seedlings grown in a nursery in different light conditions" docx

Báo cáo lâm nghiệp: "Growth and physiological state of beech seedlings grown in a nursery in different light conditions" docx

... in the shade and in control seedlings growing in the gap. Photoinhibition in beech seedlings grown in the shade and transferred to full light caused a re- duction in the photosynthetic electron ... beech seedlings growing in the open area, higher values in the gap and the highest values in seedlings growing under shelterwood, ex- plained these diff erences...
Ngày tải lên : 07/08/2014, 10:21
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Báo cáo lâm nghiệp: "Growth of hybrid poplars in silviculture at the age of 6 years" pps

Báo cáo lâm nghiệp: "Growth of hybrid poplars in silviculture at the age of 6 years" pps

... 'CZ-144') originating from open pol- lination and P-789 (P. deltoides) maintained in the Czech poplar germplasm collection were included in the group of candidate clones with estimated ... was compared in the study to explore clonal variation within hybrids and parental species and to relate diff erences in productivity according to diff erences in morphol...
Ngày tải lên : 07/08/2014, 10:21
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Báo cáo lâm nghiệp: "Growth, allocation and leaf gas exchanges of hybrid poplar plants in their establishment phase on previously forested sites: effect of different vegetation" docx

Báo cáo lâm nghiệp: "Growth, allocation and leaf gas exchanges of hybrid poplar plants in their establishment phase on previously forested sites: effect of different vegetation" docx

... between rows and at the base of 10 trees. Since frequent rainfall events occurs from May to October (about 670 mm, Fig. 1), SWC monitoring was reduced to one date (in the middle of the growing season) ... (LH and H treat- ment for the 1- and 2YS) to 0.74 and 0.76 (V and C for the 1- and 2YS respectively) and was significantly lower in the herbicide-treated plants com...
Ngày tải lên : 07/08/2014, 16:20
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Báo cáo lâm nghiệp: "Growth trends reveal the forest structure during Roman and Medieval times in Western Europe: a comparison between archaeological and actual oak ring series (Quercus robur and Quercus petraea)" pot

Báo cáo lâm nghiệp: "Growth trends reveal the forest structure during Roman and Medieval times in Western Europe: a comparison between archaeological and actual oak ring series (Quercus robur and Quercus petraea)" pot

... firewood and construction timber. In order to secure a sustainable source of firewood, the structure of the remaining forests was often altered. Especially coppice of European oak became increasingly ... processing Tree-ring widths of the contemporary, archaeological and histori- cal wood specimens were measured to the nearest 0.01 mm using a LINTAB measuring stage and t...
Ngày tải lên : 08/08/2014, 00:22
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Báo cáo lâm nghiệp:"Growth and biomass partitioning of Fagus sylvatica L. and Quercus robur L. seedlings in response to shading and small changes in the R/FR-ratio of radiation" pot

Báo cáo lâm nghiệp:"Growth and biomass partitioning of Fagus sylvatica L. and Quercus robur L. seedlings in response to shading and small changes in the R/FR-ratio of radiation" pot

... for their assistance in constructing the wooden frames of the nets and measuring the seedlings. I also thank K. Thoroe for measuring the dry masses of the harvested seedlings and two anonymous reviewers ... Coaction of blue/ultraviolet-A light and light absorbed by phytochrome in controlling growth of pine (Pinus sylvestris L.) seedlings, Planta 180 (1990) 212–216. [17]...
Ngày tải lên : 08/08/2014, 01:21
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Báo cáo lâm nghiệp:"Growth, damage and net nitrogen uptake in Picea abies (L.) Karst. seedlings, effects of site preparation and fertilisation" pptx

Báo cáo lâm nghiệp:"Growth, damage and net nitrogen uptake in Picea abies (L.) Karst. seedlings, effects of site preparation and fertilisation" pptx

... to water and nutrient uptake in newly planted seedlings [4, 5]. Drought is shown to limit root growth and nutrient uptake in conifers [3, 5, 15] but no drought occurred during the first growing ... concentrations in soil water were higher in CDSC than in FVC and C in the late autumn of 1999 and lower in the spring of 1999 (Fig. 3). N concentrations were...
Ngày tải lên : 08/08/2014, 01:21
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