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Fertilizer has three numbers for the ingredients. Nitrogen, phosphate and potash are the components. So when you buy fertilizer, the first number stands for the nitrogen, the second number for phosphate, and the third number is the potash. Calcium, sulfur, and magnesium are used as micronutrients.

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9y ago
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9y ago

Phosphates are mineral salts used to make fertilizer.

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Q: What mineral is used to make fertilizer?
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