|
True/False
Indicate whether the sentence or statement is true or false. |
| | 1. | The B horizon of the soil is generally the subsoil. |
| | 2. | All soils in capability class III are on 6 to 12 percent slopes. |
| | 3. | A moderate cropping intensity can be used on class IV land. |
| | 4. | The best indicator of the natural drainage of a soil is it’s color. |
| | 5. | Conservation tillage should never be used on a very poorly drained soil. |
| | 6. | A loamy sand contains more clay than sandy loam. |
| | 7. | Dense glacial till is a root restricting layer. |
| | 8. | The finest (smallest) soil particles are clay. |
| | 9. | Soil fragipan is a layer of solid rock. |
| | 10. | Lime and fertilizer should be applied as indicated by soil tests. |
| | 11. | Soil erosion spread evenly over a field is called sheet erosion. |
| | 12. | The plow layer commonly consists of the original A horizon plus some of the material from the layer below. |
| | 13. | Mottling in soil is an indicator of wetness. |
| | 14. | Raising crops on small flat topped ridges for better weed control and conservation of wateris called no-till. |
| | 15. | Soil structure reflects the particle size distribution of the soil. |