View the numbers on fertilizer packaging as similar to the nutrition information labels on the foods we eat: Separated by hyphens, the three numbers on fertilizer are required by state fertilizer ...
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What NPK Fertilizer Really Means (And How To Know If It's Right For Your Yard And Garden)
Most local garden centers have NPK fertilizer on the shelves, but what exactly is it? NPK is an acronym for the nutrients nitrogen (N), phosphorus (P), and potassium (K), the three nutrients that play ...
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