What are the best organic potassium and phosphorus products.?

Thaddeus Thundabuds

Thaddeus Thundabuds

Well-Known Member
NaturalFarmer said:
I am a big fan of soybean meal (7-1.5-3), bone char (0-16-0) kelp (0-1-1) and crab meal (2-3-0).
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Does bone char require preparation like boiling ? Can it be used as a mix with medium, mixed at a certain level of container depth. Does it need a symbiotic organic to get the most out of it.?
 
NaturalFarmer

NaturalFarmer

Well-Known Member
Thaddeus Thundabuds said:
Does bone char require preparation like boiling ?

Can it be used as a mix with medium, mixed at a certain level of container depth.

Does it need a symbiotic organic to get the most out of it.?
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I use it in my soil mix (3-4 cups per 30 gallons of media) and as a top dressing if needed. It is much more readily available to plants than a bone meal which could throw off your mycos if you use too much.
 
iHearAll

iHearAll

Well-Known Member
phosphate precipitates (like in chem class) as temps increase past boiling, so your better off broiling, toasting, or roasting over a flame if you are making it. then you can extract it if you so desire by mixing a liter of vinegar with a kilo of roasted bones. so the ratio is a ml per mg.... ok.... Crushing the bones helps increase surface area prior to soaking in vinegar. let soak for a week and agitate every so often. add the bones to your soil mix, half kilo per 5 gal is normal. use the vinegar at 1:100 dilution in water for foliar or soil drench

Fermented fruit extract made with EMextended (made from EM1) is a tried and true K booster but does contain nitrogen
 
Thaddeus Thundabuds

Thaddeus Thundabuds

Well-Known Member
iHearAll said:
phosphate precipitates (like in chem class) as temps increase past boiling, so your better off broiling, toasting, or roasting over a flame if you are making it. then you can extract it if you so desire by mixing a liter of vinegar with a kilo of roasted bones. so the ratio is a ml per mg.... ok.... Crushing the bones helps increase surface area prior to soaking in vinegar. let soak for a week and agitate every so often. add the bones to your soil mix, half kilo per 5 gal is normal. use the vinegar at 1:100 dilution in water for foliar or soil drench

Fermented fruit extract made with EMextended (made from EM1) is a tried and true K booster but does contain nitrogen
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Where do I get the bones? Does it matter if it's bird or mammal bones?
 
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