Scientific paper

The Application of Inorganic Fertilisers to Conditioned Pinus radiata Prior to Lifting as a Means of Improving Root Growth Capacity

Published in: South African Forestry Journal
Volume 146, issue 1, 1988 , pages: 23–25
DOI: 10.1080/00382167.1988.9630354
Author(s): D., G.M. Donald,


A modified root growth capacity technique was used to evaluate the effect of the application of different types and quantities of fertilisers on the root growth capacity (RGC) of conditioned Pinus radiata seedlings. The experiment indicates that 0,05 g N or 0,0335 g P per seedling will induce maximum RGC in the plants if applied approximately 40 days before lifting. A striking reduction in RGC of the P. radiata seedlings was recorded from three successive liftings over a four week period. The reason for this reduction is currently unknown.

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