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market-farming - Re: market-farming digest: July 18, 2002

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Subject: Market Farming

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  • From: lfl AT intrex.net
  • To: Market Farming <market-farming AT franklin.oit.unc.edu>
  • Subject: Re: market-farming digest: July 18, 2002
  • Date: Sun, 28 Jul 2002 13:39:29 -0700


Miranda Smith wrote:
Mike,

Yes, kelp, nettle tea, and fish emulsion are fine for nutrients.
But none of them has the disease-suppressive qualities of compost tea.
If you are doing ornamentals where powdery mildew on a leaf is
unmarketable or greenhouse-grown seedless cukes that are super
susceptible to any spore that happens by, compost tea is an important
component of your management program. I'm unhappy that it seems to be
regulated out of the system.

Secondly, I'm curious what you would use as a calcium source for a
liquid nutrient solution?

Pulverized shell meal from Florida, sold as "feed lime" for livestock;
sometimes high calcium limestone from Tennessee is used though I would try the shell meal with compost tea. If left in the compost tea tank between batches it might release appreciable amounts of calcium without radically altering pH. Ground eggshells from poultry hatcheries are often added to compost mixes.
The Blount Company in Bethel NC carries the shell meal in 50# bags - a call to them might provide other sources around the US.

How are nettles grown and where are seeds available.






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