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DocumentImprovement of reclaimed soil for sustainable wood energy forest and analysis of growth inhibitory factors by growing season of Populus euramericana
XV World Forestry Congress, 2-6 May 2022
2022Also available in:
No results found.In this study, the effect of soil amendment and ferilization on soil physicochemical properties and tree growth(Populus euramericana) in reclaimed land was investigated. The stduy plot were established with two tillage levels and three soil additive levels: control(till 20cm, additives 0kg), T1(20cm, 4kg), T3(40cm, 8kg); each soil amendment treatments can be divided by two fertilization treatment(N: non-ferilized, F: ferilized). The first year after soil amendment treatments, NaCl and EC decreased compared to pre-treatment; however, there were no differences among the four treatments. The organic matter, total nitrogen and available phosphorus measured 3years after treatments, significantly increased compared to control while EC and NaCl notably lowered than control. Especially, EC in all treatments except the control was within the optimum range of tree growth(below 0.4dS/m). In terms of fertilization, chlorophyll concentration(SPAD) and biomass productivity in fertilization treatment were hight than no-fertilized treatment. The PCA analysis was performed to examine the relationship between soil abiotic properties and poplar growth each at the initial stage(rootage) and after rootage. The PCA analysis indicated that the major factor for poplar growth each at the initial stage was soil physical properties which play an important role in the early root development. After root development, soil pH and NaCl in the soil were the major growth inhibitory factors. This findings confirmed that the essential conditions for the efficient production of the wood energy feedstock in the reclaimed land were soil physical properties at the initial stage of (Populus euramericana) (before rootage) but soil chemical properties became important at the lateralstage of (Populus euramericana). Keywords: Adaptive and integrated management, Climate change, Economic Development ID: 3622988 -
MeetingThe role of Salicaceae and other fast-growing trees in economic recovery, sustainable wood supplies and climate change mitigation
Abstracts of submitted papers prepared for the 26th Session of the International Commission on Poplars and Other Fast-Growing Trees Sustaining People and the Environment
2021Also available in:
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DocumentSustainable Ocean Initiative Global Dialogue. Intersessional Workshop for the Sustainable Ocean Initiative Global Dialogue with Regional Seas Organizations and Regional Fishery Bodies.
29 September - 1 October 2021
2022Also available in:
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