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 ...

Before applying fertilizer or any other soil amendment, it's a good idea to see what the soil already contains. That way you ...

then comparing the results to a chart. Depending on the type of kit, there may be other steps involved. "Soil pH testing kits ...

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 ...

Achieving the optimal pH can involve modifying the soil with elemental sulfur, especially in cases where the soil is too alkaline ...