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 ...

then comparing the results to a chart. Depending on the type of kit, there may be other steps involved. "Soil pH testing kits for use by the homeowner can be very fast and inexpensive," Glassey says.

It doesn't matter what you're trying to grow, you must ensure your soil pH is correct if you want big, healthy harvests. To ...

Purdue Extension Educators frequently encourage homeowners to get soil tests when they want to grow new plants in an area, or ...