[Market-farming] Eliot Coleman's seed starting mixture

Mike Rock mikerock at mhtc.net
Wed Apr 6 06:53:38 EDT 2011


Allan,
THANK YOU!!

Mike

Allan Balliett wrote:
> Here's how ATTRA reports it:
> 
> The following four recipes are credited to Eliot Coleman. The first
> was published in the Winter 1994 issue of NOFA-NJ Organic News, in an
> article by Emily Brown-Rosen. The remaining three are adapted from
> Coleman's book The New Organic Grower (see Appendix 2).
> 
> Organic potting mix
> 
>     1 part sphagnum peat
>     1 part peat humus (short fiber)
>     1 part compost
>     1 part sharp sand (builder's)
> 
> To every 80 quarts of this add:
> 
>     1 cup greensand
>     1 cup colloidal phosphate
>     1 1/2 to 2 cups crab meal, or blood meal
>     1/2 cup lime
> 
> Blocking mix recipe
> 
>     3 buckets (standard 10-quart bucket) brown peat
>     1/2 cup lime (mix well)
>     2 buckets coarse sand or perlite
>     3 cups base fertilizer (blood meal, colloidal phosphate, and
> greensand mixed together in equal parts)
>     1 bucket soil
>     2 buckets compost
> 
> Mix all ingredients together thoroughly. Coleman does not sterilize
> potting soils; he believes that damp-off and similar seedling problems
> are the result of overwatering, lack of air movement, not enough sun,
> over-fertilization, and other cultural mistakes.
> 
> Blocking mix recipe for larger quantities
> 
>     30 units brown peat
>     1/8 unit lime
>     20 units coarse sand or perlite
>     3/4 unit base fertilizer (blood meal, colloidal phosphate, and
> greensand mixed together in equal parts)
>     10 units soil
>     20 units compost
> 
> Mini-block recipe
> 
>     16 parts brown peat
>     1/4 part colloidal phosphate
>     1/4 part greensand
>     4 parts compost (well decomposed)
> 
> Note: If greensand is unavailable, leave it out. Do not substitute a
> dried seaweed product in this mix.
> 
> On Tue, Apr 5, 2011 at 11:23 PM, Mike Rock <mikerock at mhtc.net> wrote:
>> Anyone got the recipe handy for Coleman's starting mixture?
>>
>> Thank you,
>> Mike
>>
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