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N-P-K ratio

The N-P-K ratio is a standardized way to express the percentage of three essential macronutrients in fertilizers: nitrogen (N), phosphorus (P), and potassium (K). Each nutrient plays a distinct role—nitrogen drives vegetative growth, phosphorus aids root and flower development, and potassium supports overall plant health and stress resistance. Understanding the ratio helps cultivators apply the correct nutrient blend at different growth stages for optimal cannabis yields.

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