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 ...

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 ...

And that level is measured in pH. Learning how to test your soil’s pH or find out how acidic your soil is easy as there are a few tools you can use. It's a good idea to perform one of these ...

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 ...

Humic acid plays a crucial role in soil health and plant nutrition. As a key component of organic matter, it enhances soil ...

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 ...