Summary
Rings in root systems of 7 conifer species from 11–15yr plantations indicated primary roots were initiated 3-5yr after planting; horizontal roots extended at 20cm yr-1 (Tsuga heterophylla) to 55 cm yr-1 (Pseudotsuga menziesii). Vertical roots grew slower. Systems varied from the flat root systems ofPicea sitchensis orP.omorika to the heart root system ofAbies grandis. P. menziesii favoured the growth of adjacent roots of some species. Planting produced asymmetric root systems.
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© 1983 Martinus Nijhoff/Dr W. Junk Publishers, The Hague
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Reynolds, E.R.C. (1983). The development of root systems analysed by growth rings. In: Atkinson, D., Bhat, K.K.S., Coutts, M.P., Mason, P.A., Read, D.J. (eds) Tree Root Systems and Their Mycorrhizas. Developments in Plant and Soil Sciences, vol 7. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-6833-2_17
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DOI: https://doi.org/10.1007/978-94-009-6833-2_17
Publisher Name: Springer, Dordrecht
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