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September 2015 (published: 14.09.2015)
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Environmental and physiological aspects of willow cultivation for wood biomass
Willow trees are cultivated during many years for several purposes. For the last year’s most interest is willow wood production for bioenergy. Special fast growing clones of willow have been selected for this purpose. Introduction of short rotation coppice of willow require adaptation of optimal varieties created on the base of species that may grow successfully in different soil and climate conditions. The article cover results of investigations of productivity and physiological characteristic of some species willow fulfilled for several years in different ecological conditions. Our experiments identify that environmental characteristics of willow that took place in nature may conserve as indicators for selection of optimal properties of trees. For example for post-mining peaty soils optimal productivity and water regime took place for clones of willow selected on the base of species Salix dasyclados, for degraded peaty soils for clones on the base of species Salix viminalis. For mineral soils more perspective were clones of willow on the base of species Salix albа. It was identified that willow productivity in many respects depends on water regime of plants.
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Keywords: fast growing willow, selection, varieties, physiology, ecology.
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