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High Sulfur and alkaline pH on Soil Test for Bermuda Lawn

Gardening & Landscaping Asked by Imager on January 2, 2022

I did a My Soil Savvy test on my Bermuda lawn (Phoenix, AZ) and the Sulfur was 42.90ppm with a recommendation of 6-12. The test also showed my pH at 7.14. Any ideas on how to reduce the sulfur and make the lawn more acidic(6.0-6.5)?

FYI there also slightly low levels on Nitrogen, Potassium, Iron and Zync. Calium and Phosphorus are sightly high.

One Answer

Sulfur makes soils acidic. It is oxidized to sulfate . Gypsum ( calcium sulfate) is added to acidify soils. My guess is that you should put on some lawn fertilizer ( they are mostly nitrogen) and water it. Fertilizer with a little phosphate ( the middle number on the bag ) may help if none showed on your test. A pH of about 7 (neutral) sounds excellent.

Answered by blacksmith37 on January 2, 2022

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