Department of Thematic Studies Bachelor of Science Thesis Effect of Ammonium Sulphate Addition on Root Decomposition in a Norway Spruce Stand in South-west Sweden
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Nutrient Dynamics and Decomposition rate of Norway Spruce Needles in Stråsan and Lajim stands
Climate changes due to changes in a habitat leads to differences in the rate of decomposition and nutrient dynamics of leaflitters, which has many effects on the controlling factors of the decomposition process. In the present study, the rate of decomposition and nutrient dynamics of Norway spruce was evaluated for 363 days in the two forestation sites in the natural and foreign habitats, ...
متن کاملارزیابی شاخص مزیت تجزیه خانگی لاشبرگ (HFA) در رویشگاه های راش، توسکا و توده دست کاشت نوئل منطقه لاجیم
The decomposition of leaf litter has important in the ecosystem level through regulating buildup of soil organic matter, regulating of nutrient for plant growth and influencing the flux of Co2 from the soil. Several studies have introduced Home-field advantage (HFA) as an index for indicating more rapidly decomposition process of litter in its own site. In the present study, beech and alder s...
متن کاملInvestigating Growth of Araucaria excelsa L. in Different Methods of Fertilization
A serious problem in cultivation of ornamental plants is a lack scientific and applied program in fertilization, so that the plant nutrition focused on growth medium. A randomized completely design with 8 different fertilization methods with the use of ammonium sulphate, potassium sulphate, di ammonium phosphate, ferrilene and kristalon was conducted in three replications in a greenhouse of Cha...
متن کاملThe Sources of Labor Productivity Growth in Norway, South Korea and Iran: A Structural Decomposition Analysis
Abstract In this paper,using a structural decomposition analysis (SDA) and the latest available input-output tables we investigate the sources of labor productivity growth in Norway, South Korea and Iran. Then, the contribution of each source in the growth of labor productivity is discussed. The results show that among six factors, value added coefficient is the most influencing factoracross al...
متن کاملFine root morphological adaptations in Scots pine, Norway spruce and silver birch along a latitudinal gradient in boreal forests.
Variability in short root morphology of the three main tree species of Europe's boreal forest (Norway spruce (Picea abies L. Karst.), Scots pine (Pinus sylvestris L.) and silver birch (Betula pendula Roth)) was investigated in four stands along a latitudinal gradient from northern Finland to southern Estonia. Silver birch and Scots pine were present in three stands and Norway spruce was present...
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تاریخ انتشار 2002