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Macro Nutrients-relative percentages



For those that feel more comfortable using the relative weight
percentages of N-P-K to caclulate the amount of a macro-nutrient in a
given chemical, I pulled these off a hydroponics site:

Ammonium Nitrate (NH4NO3) 34 - 0 - 0

Mono-potassium Phosphate (KH2PO4)  0 - 51.5 - 34

Calcium Nitrate (CaNO3) 15.5 - 0 - 0

Potassium Nitrate (KNO3) 13.75 - 0 - 46

Potassium Sulfate (K2SO4) 0 - 0 - 50

Potassium Chloride (KCl)  0 - 0 - 62

Scott H.

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