Growth of Norway spruce seedlings after transplanting into silty soil amended with biochar: a bioassay in a growth chamber

Published Date
Journal of Forest Science, 2013, Vol.59 , pp.125-129

Author
Heiskanen J.,   Tammeorg P.,   Dumroese R.K.

Abstract

Biochar (BC), the carbon-rich by-product resulting from pyrolysis of biomass, is used for bioenergy and increasingly as a soil additive for carbon sequestration and soil improvement. However, information about the effects of BC on forest productivity and reforestation success, especially on boreal and temperate forest soils, is scant. We examined the effects of two BC types (Canadian and Finnish) added in proportions up to 60 vol.% into a common alluvial silty soil on the growth of transplanted Norway spruce ( Picea abies [L.] Karst.) seedlings in a growth chamber. We found no marked differences in seedling growth among the binary growing media mixes used. Seedling growth attributes (seedling height, terminal shoot growth, root volume) differed consistently only between the BC types in...

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