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What is the actual amount of potassium in a fertilizer with a NPK ratio of 15-15-20?

What is the actual amount of potassium in a fertilizer with a NPK ratio of 15-15-20?

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Answer #1

NPK ratio refers to the ratio of nitrogen, phosphorus, and potassium in any fertilizer. This ratio represents the percentage of corresponding nutrient present in the fertilizer. It actually determines the amount of .

The given fertilizer has the NPK ratio of 15-15-20. This implies the percentage of nitrogen in the fertilizer is 15 %, that of phosphorus is 15 % and that of potassium is 20 %.

Consider the mass of P2O5 to be 1 kg.

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