Tag Archives: NPK Ratio

Fertilizer: By the Numbers

Have you ever looked on a fertilizer box and wondered what the numbers mean? The gardening department Team Members at Friedman’s Home Improvement are frequently asked questions about fertilizer, so we thought we’d address it here in our blog. Like any list of ingredients you would see on a packaged food label, fertilizers are rated with a three number rating system. These three numbers are based off the N-P-K ratios, which shows how much Nitrogen, Phosphorus and Potassium (Potash) is in the mix. These numbers are percentages of the total ingredients in the bag, so if it reads 5-5-5 — like it does in Whitney …

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