Soil helps plants stay upright and it contains important substances to help them grow. In this guide, we're going to look at the different types of soil. Soil contains lots of minibeasts (tiny ...

The activity of these organisms, the type of rock particles, the volume of organic matter, and the proportion of air and water all combine to create hundreds of different types of soil.

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 ...