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permaculture - Re: [permaculture] Farming as a permaculture system. Re: [SANET-MG] yield of conventional vs organic farms

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  • From: Gasper Family Farm <farmer1@gasperfarm.com>
  • To: permaculture <permaculture@lists.ibiblio.org>
  • Subject: Re: [permaculture] Farming as a permaculture system. Re: [SANET-MG] yield of conventional vs organic farms
  • Date: Thu, 07 Jun 2012 21:47:07 -0500

Are we not facing a peak in the supply of mined phosphate? This is one of if not they key yield and plant health limiting nutrient; and also the hardest one to get outside the mine. Other than the mandatory recycling of phosphorus from humanure, are their any other permanent solutions for sourcing phosphorous for the farm (on a broad acre scale)?

Pete

On 05/11/2012 07:54 PM, Lawrence F. London, Jr. wrote:
It should seek to
reduce off farm inputs. Natural, mined phosphate and other minerals will
likely be needed from time to time as crops deplete levels of nutrients
needed for healthy livestock and plant production. If enough acreage is
available the other major nutrients can for the most part be generated
on site and later recycled.




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