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Macadamia biochar as a growth stimulus for Eucalyptus nitens forestry nurseries


Wrobel-Tobiszewska, A and Boersma, M and Sargison, J and Close, D and Evelyn, K and Adams, P, Macadamia biochar as a growth stimulus for Eucalyptus nitens forestry nurseries, Proceedings of the 5th Joint Australian and New Zealand Soil Science Conference, 2-7 December, Hobart, Australia, pp. 518-521. ISBN 978-0-646-59142-1 (2012) [Refereed Conference Paper]

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Copyright 2012 Australian Society of Soil Science Incorporated

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The use of Biochar as a potting mix amendment to reduce fertiliser rates and aid the growth of Eucalyptus nitens seedlings grown for Tasmanian commercial forest plantations was investigated. The early growth of E. nitens seedlings (from seed to nine-month-old seedling) was analysed under controlled conditions (glasshouse) in a pot trial. The treatments combined two fertilizer levels (100% and 50% of the commercial rate) with eight biochar doses (0, 2, 5, 10, 20, 50, 80 and 100 t/ha). Seedling height was measured weekly during the experiment, while agronomic response data was collected at four destructive harvesting periods at 135, 177, 219 and 268 days after planting. The results of the agronomic response (height, biomass) showed a strong dependence on fertilizer level but no significant differences in reference to biochar levels. Biochar was found to influence the level of water content in leaves and soil.

Item Details

Item Type:Refereed Conference Paper
Keywords:biochar, Eucalyptus, growth
Research Division:Engineering
Research Group:Environmental engineering
Research Field:Air pollution modelling and control
Objective Division:Plant Production and Plant Primary Products
Objective Group:Forestry
Objective Field:Hardwood plantations
UTAS Author:Wrobel-Tobiszewska, A (Ms Anna Wrobel-Tobiszewska)
UTAS Author:Boersma, M (Dr Mark Boersma)
UTAS Author:Sargison, J (Dr Jane Sargison)
UTAS Author:Close, D (Professor Dugald Close)
ID Code:82183
Year Published:2012
Deposited By:Engineering
Deposited On:2013-01-18
Last Modified:2017-11-06
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