Specification of the nitrogen and potassium content of a formulation. An NK ratio of 9-6 indicates 9% nitrogen and 6% potassium.
The NK ratio indicates the nitrogen and potassium content of a fertilizer formulation based on these two primary nutrients. An NK ratio of 9-6 means 9% nitrogen (N) and 6% potassium (K).
AgroArgentum® Forte and AgroArgentum® O-Mix are both NK 9-6 fertilizers.
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