Basically, pH is a measure of the amount of lime (calcium) contained in your soil. A soil with a pH lower than 7.0 is an acid soil, a soil pH higher than 7.0 is alkaline soil. Soil pH can be tested with an inexpensive test kit.
is an indication of the alkalinity or acidity of soil. It is based on the measurement of pH, which is based in turn on the concentration of hydrogen ions (H+) in a water or salt solution.
The amount of lime (calcium) contained in your soil. A soil with a pH lower than 7.0 is an acid soil, a soil pH higher than 7.0 is alkaline soil. Soil pH can be tested with an inexpensive test kit purchased from your garden center.
An index of the acidity or alkalinity of a suspension of soil in a liquid such as distilled water or dilute salt solution. The index is the logarithmic expression of the activity of H-ions in the liquid surrounding the soil particles. A pH 7.0 is alkaline and 7.0 is acid. A soil pH is not a measure of total acidity in a soil. It is a measure of the acidity or alkalinity of the soil.
pH is an indication of the concentration of hydrogen ions (H+) in the soil solution. It reflects only the intensity of soil acidity, not the actual amount of acid present. It is the negative logarithm of the hydrogen ion concentration in the soil solution. pH7.0 is neutral in terms of acid or base (Alkaline). pH8.0 is ten times more alkaline than pH7.0.
Numerical measure of the acidity or hydrogen ion activity of soil.
negative logarithm of the hydrogen-ion activity of a soil. The degree of acidity or alkalinity of a soil as determined by means of a suitable electrode or indicator at a specified moisture content or soil-water ratio, and expressed in terms of the pH scale.
the measure of acidity/alkalinity in soil; its measurement (from 1-14; 7 is neutral) indicates soil nutrient availability. Roses prefer slightly acidic (6.5 pH) soil.
An estimation of acidity (relative level of hydrogen ions) of the soil solution. The relative levels of base and acid cations present in solution affect the soil pH.
The pH of a solution in equilibrium with soil. It is determined by means of a glass, quinhydrone, or other suitable electrode or indicator at a specified soil-solution ratio in a specified solution, usually distilled water, 0.01 M CaCl , or 1 M KCl.
