Before a nutrient can be used by plants it must be dissolved in the soil solution. Most minerals and nutrients are more soluble or available in acid soils than in neutral or slightly alkaline soils.

Most garden vegetables do well when the soil has a pH of 6-6.5 or just slightly acid ... do better in acid soil. Blueberries, azaleas and blue hydrangeas do best in very acid soil with a pH ...

In very acidic soils, the bacteria that are ... While most plants require slightly acid soils with a pH in the range of six to 6.8, certain plants require a more acidic soil to grow, flower ...