Knowing the three major soil types is an important aspect of your ... and leaf mold to improve soil structure. However, you need to add compost and well-rotted manure to enhance soil structure ...

The activity of these organisms, the type of rock particles ... Pollution kills microbial life in the soil; deforestation and development disturb soil structure making it vulnerable to erosion ...

In exploring the link between soil and agriculture, this article will highlight 1) our transition from hunter-gatherer to agrarian societies; 2) the major ... that provide structure to soil.

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 ...