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permaculture - [permaculture] Guild assembly and dynamic accumulators

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  • From: Paul Cereghino <paul.cereghino@comcast.net>
  • To: permaculture <permaculture@lists.ibiblio.org>
  • Subject: [permaculture] Guild assembly and dynamic accumulators
  • Date: Sun, 25 Mar 2007 21:09:32 -0700

I had a friend that told me that that snappy fruit flavor that is hard to find in homegrown apples is a mix of magnesium (requiring good cation balance), and sulfur (which is caught up more in soil poor water-biologic cycling. Robert Kourik's book (Designing and maintaining you edible landscape naturally, 1986) has a list of dynamic accumulators for sulfur (plants that accumulate sulfur in their tissue far in excess of their metabolic demand): Calamus, Caragreen, Coltsfoot, Eyebright, Fennel, Garlic, Meadowsweet, Mullien, Mustards, Nettle, Plantain, Rest harrow, Watercress, waywort.

The Fennel , mullien and many mustards have nice taproots.
Nettle, Meadowsweet, coltsfoot, plantain are all good on moist sites.

Sufur is often lost in humid climates with anion leaching... do dynamic acculumulators harvest dissolved nutrients and increase the organic sulfer pool, or would then compete with the tree for sulfur?! Does the dynamic accumulator approach require some kind of tranformer to bring the sulfer back into circulation to benefit the tree crop, like grazing or mowing... This would be an interesting series of studies for any budding scientists if you care to 'test and prove' permaculture. You'd need a good nutrient analysis lab to look at how different guilds modify nutrient pooling as compared to more simplified systems.





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