Soil pH or soil reaction is an indication of the acidity or alkalinity of soil and is measured in pH units. Soil pH is defined as the negative logarithm of the hydrogen ion concentration. The pH scale ...

Once you test your soil for pH, you will know whether or not you need to adjust the pH level for the specific crop you will grow. Garden lime consists of finely ground limestone and is applied to the ...

The pH of a soil refers to its acidity or alkalinity and is a vital factor in plant growth. It's easy to measure and is usually listed numerically on a scale of one to 14. Acid soils have a pH of ...

Learn More › Though gardeners can’t see it, soil pH (acidity or alkalinity) is an important contributor to the health (or demise) of plants. The high availability of some nutrients in acidic ...

Soil pH is a critical factor for lawn and garden success. Very high (alkaline) or very low (acidic) pH levels decrease the availability of nutrients to plants, stunting their growth, so it's ...