[permaculture] N-starvation and mulch
Paul Cereghino
paul.cereghino at comcast.net
Sat Oct 27 02:42:05 EDT 2007
>Movement of N upward seems to require an
>organism that gets its N in the soil, takes it upward into the mulch,
>
I was imagining a wet soil, with the soil solution nearing field
capacity, and N migrating upwards through diffusion, as carbon chewing
bacteria grab everything mobile out of the soil solution. Kind of a
longshot though... I expect that under most conditions chaos would get
the upper hand. Maybe if you mulched spinish seedlings with woody stuff
in spring and N hadn't been tended to by other means.
Second could be bioturbation... worms or other thingies pulling woody
material down into the soil creating local low N spots?
fun to think about... OK enough of this... :)
Paul Cereghino
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