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 ...

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 ...

Here are some ways neutralisation is used: Farmers use lime (calcium oxide) to neutralise acid soils. Your stomach contains ... When an acid is added to an alkali the pH of the acid increases ...

(Learn more about Soybean College.) 1. pH is critical. Don’t let soils get acid. “Soil pH is an important factor with soybeans,” Ferrie says. “As soon as we let pH slide, we run into ...