and the proportion of air and water all combine to create hundreds of different types of soil. These range from loose sandy soils to waterlogged peats to the beautifully balanced loam that is so ...

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 ...

When European-American settlers first began ploughing in Iowa, they found the weather and local geology had combined this organic mulch with sand and silt to form a nutrient-rich type of soil ...