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 ...

Managing soil pH is a crucial but often overlooked aspect of soil health and crop productivity, says Marla Riekman, a land ...

Learn More › Achieving a lush lawn or a thriving flower bed takes more than watering at the right times or planting in the right spot. Knowing the pH of the soil in your lawn and vegetable and ...

Knowing the pH of the soil in your lawn and vegetable and ornamental gardens can be key. This number between 0 and 14 can be the difference between nutrient-dense soil that fosters growth ...

The relative proportions of all these, along with pH, determine soil type. 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 ...

A worm burrows its way through the dark earth, ingesting particles of soil and expelling nutrient-rich casts in a constant forage for food. Charles Darwin described earthworms as one of the most ...

The University of Delaware Soil Testing Lab uses the Adams-Evans buffer pH test to determine lime requirement for a field based on soil test analysis of an 8-inch composite soil sample. In this quick ...