Use this Soil pH Chart to find which pH level is best for your plants. Then, you can adjust the pH level, accordingly. A pH of 6.5 is just about right for most home gardens, since most plants thrive in the 6.0 to 7.0 (slightly acidic to neutral) range. read more
Most plants require a pH of 5.5–7 i.e Slightly acidic to neutral , Although Basic pH ( >7) is considered as a harsh condition for plants , Some have adapted to grow in basic pH too. read more
Effect of soil pH on plant growth Acid soils. Plants grown in acid soils can experience a variety of stresses including aluminium (Al), hydrogen (H), and/or manganese (Mn) toxicity, as well as nutrient deficiencies of calcium (Ca) and magnesium (Mg). Aluminium toxicity is the most widespread problem in acid soils. read more