Soil Properties
1. Physical properties of soil
- Sand, water can run through the sand right away because there are big gaps between the sand.
- Silt, silt will take a little bit longer than sand for water to drain to the silt.
- Clay, it will take pretty much time for the water to drain to the clay because the clay will block the water.
2. Biological properties of soil
- The most important thing is nitrogen fixing bacteria
Soil degradation and erosion
- Topsoil is removed by plowing - Vegetation is removed.
- Compacting of the soil. - Drying of the soil.
- Nutrients depleted