What the Heck is N-P-K ?
Most fertilizers (and many soil amendments) show this formula somewhere prominently on the package: N-P-K. This shows the ratio of the three most important plant nutrients, Nitrogen, Phosphorus, and Potassium. Potassium gets a ‘K’ because of its name on the periodic table of elements (Kalium). These three elements are fundamental to the development and success of all plants to varying degrees. A fertilizer with a rating of 20-20-20 is considered “balanced” because it provides each of these major nutrients in equal proportion.
August 24, 2021
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