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Question about trunk burying

dosmann at IASTATE.EDU dosmann at IASTATE.EDU
Sat Jun 6 10:32:43 EST 1998

> Dear Plant-Ed Friends,
> I would like to ask you a question about trees.
> What does make some species more tolerant to having their trunks buried
> when transplanted? Is there any generalization that can be made regarding
> hardwoods, conifers and palms and their tolerance to being buried?
> Thank you so much in advance!
> L. Lichtenstein
> (lichtenstein at conex.com.br)

Decline and/or death of trees from planting too deep is the result of 
oxygen deprivation (hypoxia).  Aeration is quite important, so excess 
soil and soil compaction should be avoided.  Bear in mind that a clear 
majority of roots are found in the upper 12" to 18" of the soil layer.

Sensitive trees tend to be those which have an abundance of shallow, 
surface roots.  Examples include both European and American beeches 
(Fagus sylvatica and F. grandifolia) and Norway maple (Acer 
platanoides).  Groundcovers are also difficult to establish under these 
trees, due to the competitive root systems (and dense shade). 

Hope this helps!

Michael S Dosmann                    
dosmann at iastate.edu             . . .  
Graduate Research Assistant      . . 
Department of Horticulture      . . . 
Iowa State University          

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