What Does Sulfur Do for Plants

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Sulfur is a natural element that is found in amino acids so it is used in the building blocks of proteins for plants. Most of the sulfur absorbed by plants is used for this purpose. Sulfur also is essential in the synthesis of oils and chlorophyll formation.

Sulfur is found in the soil in the form of sulfate. Microbes change it to sulfide compounds, which can then be taken up by the plant’s roots.

Sulfur deficiencies are more likely in sandy soils with low organic matter. When a plant is deficient in sulfur it will become yellow-ish in color and the growth will be retarded. This will result in a small plant.

If you add magnesium to your plant’s soil through the usage of Epsom salts, then you will also be adding sulfur in the form of sulfate (magnesium sulfate) to the soil. It will serve a dual purpose in providing magnesium as well as sulfur.

Other Secondary Macronutrients

Other than sulfur, there are other macronutrients that plants need.

Magnesium and calcium are two other important secondary macronutrients that plants need. 

Also be sure to check out the primary macronutrients that are often displayed on fertilizer bags as N-P-K

If you are looking for the best macro and micronutrients for your plant, I highly recommend checking out Earthpods capsuled fertilizer which delivers the correct nutrients through microbes. You can definitely have success with other fertilizers, but it’s what I recommend for the healthiest plants.

Make sure to check out our other articles on fertilizers and micronutrients.

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About the author: Carley Miller is a horticultural expert at TheGreenPinky. She previously owned a landscaping business for 25 years and worked at a local garden center for 10 years.

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