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Nitrogen, phosphorus, and potassium are the three major nutrients. The secondary nutrients are calcium, magnesium, and sulfur. There is a wide range of micronutrients such as manganese, iron, copper, and boron, just to name a few, which can be added in to any fertilizer blend. Fertilizers can be commercially manufactured or just natural, such as manure or compost.

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13y ago
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15y ago

Most fertilizers contain Nitrogen [N], Phosporus [P], and Potassiuk [K]. Some fertilizers are "customized" for specific plants and therefore have other compounds needed by those special plants.

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9y ago

The typical synthetic fertilizer contains a mix of six macronutrients and eight micronutrients. The six macronutrients are nitrogen, phosphorous, potassium, calcium, magnesium and sulfur. The eight micronutrients are boron, chlorine, copper, iron, manganese, molybdenum, zinc and nickel.

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14y ago

Nitrogen, phosphorus, and potassium are what's in plant fertilizer. They're the three most abundant and most important of the nutrients that plants need. Specifically, nitrogen is needed for above ground growth, as shoots. Phosphorus is needed for below ground growth, as roots. Potassium is needed for proper budding, flowering and fruiting.

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12y ago

Primarily nitrogen, potassium, and phosphorus. There also might be hydrogen and oxygen.

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8y ago

bromine

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Q: What does plant fertilizer have in it?
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