| A | B |
|---|
| Structure | arrangment of particles |
| Permeability | how quickly water passes through |
| Porosity | space between particles |
| Sheet Erosion | uniform layer of soil removed |
| Rill Erosion | channels created in the soil |
| Gully Erosion | exaggerated rill erosion |
| Reduced tilling | leaves some or all of the crop residue on the land |
| Crop Rotation | planting different crops in different areas |
| Pesticide resistance | lower affect of pesticides on pests over time |
| Groundcover | mulch or cover crop |
| Humus | decomposed organic material |
