SOIL PYRAMID NOTES
- Quality soil- hummus (a lot of decaying organic material), appropriate moisture content, living organisms in top soil, physical structure of top soil
- Scientists use the approximate ratio of sand, silt, and clay to categorize soils and give them their names.
- They used Soil triangle as defining types of soil. This can come in handy if you want to know which type of soil like sand,clay,silt.