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 talking about how to plant and how to grow plants in the garden, one of the things that comes up repeatedly is the importance of your soil’s level of acidity. And that level is measured in pH.

The bacteria that break down organic matter don’t work well in highly acidic soils. Organic matter can tie up important nutrients, including nitrogen. A pH range of 6 to 7 is optimum for making ...

CEC is the ability of soil to hold and exchange cations (positively charged nutrients). Higher CEC means better nutrient ...