how do you lower ph in soil
Using Sulfur to Lower Soil pH. You can make larger adjustments to your garden soil pH by using some form of sulfur. Sulfur lowers soil pH as it is broken down by bacteria in the soil and converted to sulfuric acid. Sulfur is most commonly added in the forms of aluminum sulfate, iron sulfate and elemental sulfate.
Which option is best depends upon several factors. But moving your garden soil pH lower may be as simple as adding fertilizer or mulch. Of course, all methods of changing soil pH involve adding something to the soil. Itâs just a question of the type of soil amendment youâll be using, and in what quantity.