How to work out npk value of soils adding up

Discussion in 'Growing Organic Marijuana' started by 2cent420, Dec 31, 2022.

  1. I have 2 work casts I need 100litre of
    And I have a cow shit I need 15 litre of
    As well as to decide what I need to add how do I add them all /reduce them

    ewc a is 9-16-18
    (Divide by smallest gives 1-.1.7-2) if that’s correct
    Ewc b is 11422-8258-7173
    (Divide smallest gives 1.5-1.7-1) if that’s correct

    and the cow dung a guy did for me is 7-1-6

    now I plan to use 50% each cast for diversity so 500litres each

    but the cow dung for microbes hummus and other micro trace minerals cow dung add loads only needs small amount 15litre ish should do it be 5%?of my mix ish

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