zelkova root problem RKN ?

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zelkova root problem RKN ?

Post  barge bonsai on Fri Mar 09, 2012 1:15 pm

Hi, my Zelkova has RKN,i think, how do i treat it ?
whats causing this ,& is it a problem for the trees growth ?
Thanks.





Last edited by barge bonsai on Fri Mar 09, 2012 1:27 pm; edited 2 times in total

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Re: zelkova root problem RKN ?

Post  pascal37 on Fri Mar 09, 2012 1:23 pm

...it's rhizobium ....

nice and good for tree !!!(symbiosis)
fix atmospheric nitrogen into a form that plants can use

current with ulmacées.

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Re: zelkova root problem RKN ?

Post  drgonzo on Fri Mar 09, 2012 2:48 pm

You'll see nodules like that on many species that host nitrogen fixing microorganisms, Elaeagnus is one species where the growths are quite pronounced as well.
-Jay

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Re: zelkova root problem RKN ?

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