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Why is each of the elements nitrogen, phosphorus, sulfur and iron included in lawn food?

April 26, 2017Chemistry elements included iron Mathematics nitrogen Phosphorus sulfur

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Why is each of the elements nitrogen, phosphorus, sulfur and iron included in lawn food?

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Nitrogen, phosphorus and iron are included. Sulfur itself is not a nutrient for plants instead it is taken up by them in the form of sulfate. Nitrogen is needed to form proteins, RNA, DNA and other substances. Phosphorus is used mainly in making ATP, iron is needed to produce chlorophyll and some enzymes, sulfur is used to make some of the amino acids and some vitamins.