Learn why soil pH is the most important soil test value and how it affects nutrient availability and lime requirements.

To be a successful gardener, one needs to have a basic understanding of the soil which you are tending, as well the factors which affect the fertility, pH and quality of the soil. This is the case ...

Penn State Master Gardeners in Lancaster County field many questions each year about the pH recommendations on residents’ soil test results. You will likely not even know anything about the pH of your ...

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 ...

When we are having problems with our lawns or plants, the first thing that comes to mind is often that they are caused by a pest or disease. We often overlook that it could be a problem with the soil.

Purdue Extension Educators frequently encourage homeowners to get soil tests when they want to grow new plants in an area, or try to diagnose what’s wrong with plants currently growing. One key ...

Imagine if coffee mate and sugar never dissolved in your coffee. Or cream and sugar never dissolved in your tea. Plants face a similar dilemma when they are grown in soil with the wrong pH. Soil pH is ...

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Though a founding concept of ecology suggests that the physical environment determines where organisms can survive, modern scientists have suspected there is more to the story of how microbial ...