If you're dealing with super alkaline soil, and want to plant acid-loving species, then you'll need to increase the quantity ...

But, during the past 40 years, things have changed, and we now are removing more sulfur than we put into the soil.” Acid rain, containing sulfur emitted by industry, used to be farmers’ main ...

LeCroy says sulfur is the best way to acidify your soil. You can buy sulfur powder in bags at garden supply centers for use as a soil amendment. For established plants, top-dress the soil.