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compostteas - [Compostteas] Fish emulsions, meal, hydrolysates, enzymatically digested

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Subject: Compost Teas: 24 hour, EM, IM, BD & fermented plant extracts

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  • From: "eddington AT lvcm.com" <eddington AT lvcm.com>
  • To: "Compostteas AT lists.ibiblio.org" <Compostteas AT lists.ibiblio.org>
  • Subject: [Compostteas] Fish emulsions, meal, hydrolysates, enzymatically digested
  • Date: Wed, 29 May 2002 10:39:37 -0400

Hi Laura,

Here is a quote from the Peaceful Valley Farm Supply Magazine - other
sources or manufacturers may have different definitions, I don't know,
but this may be helpful to start:

"Fish products come in the form of meals, emulsions or hydrolysates
and/or enzymatically digested.

Fish meal is ground, dried fish waste with the oil removed, generallyd
ried at high heat and is used in soil applications. It has a high nitrogen
and phosphorus analysis and is a slow to medium releasing source of
nitrogen. For a fast-acting, water soluble fish fertilizer,use fish
powders, liquid fish emulsion or enzymatically digested hydrolyzed fish.

Fish powders are spray-dried fish materials, dried with heat and turned
into a water soluble powder. They can be used for foliar feeding or in
irrigation systems once put into solution.

Fish emulsion, a popular product used in organic agriculture, is used
as a soluble fish fertilizer but is usually processed with heat.

Enzymatically digested hydrolyzed fish retains more of the proteins,
enzymes, vitamins and micronutrients than emulsions, which can be
processed with high heat and acids. Heat tends to denature amino
acids in proteins, making them unavailable to the plants. Enzymatic
digestion of fish allows the minerals and amino acids to become
readily available to plants and makes those nutrients water soluble, so
you can use them in foliar spraying or through drip and other irrigation
systems."

Carole Eddington

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  • [Compostteas] Fish emulsions, meal, hydrolysates, enzymatically digested, eddington AT lvcm.com, 05/29/2002

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