Student Card Quiz
Texture
1
2
3
4
Surface:
4
points
1. Coarse
2. Mod. Coarse
3. Medium
4. Mod. Fine
5. Fine
Subsurface:
4
points
1. Coarse
2. Mod. Coarse
3. Medium
4. Mod. Fine
5. Fine
Depth of Soil:
4
points
1. Deep
2. Moderately deep
3. Shallow
4. Very Shallow
Slope:
5
points
1. Nearly Level
2. Gently Sloping
3. Moderately Sloping
4. Strongly Sloping
5. Steep
6. Very Steep
Erosion - Wind and Water:
3
points
1. None to slight
2. Moderate
3. Severe
4. Very severe
Permeability:
5
points
1. Rapid
2. Moderate
3. Slow
4. Very Slow
Surface Runoff:
4
points
1. Rapid
2. Moderate
3. Slow
4. Very Slow
Official
Four-Field Card,
2007 Nationals
information sheet
Major Factors: that keep area out of Class I
8
points
1. Texture
2. Depth
3. Slope
4. Erosion
5. Permeability
6. Runoff
7. Wetness
8. Flooding
9. None
Land Capability Class:
8
points
1. Class I
2. Class II
3. Class III
4. Class IV
5. Class V
6. Class VI
7. Class VII
8. Class VIII
Vegetative: Use Soil conserving and/or soil improving crops
1. Row crop/occasional soil conserving crop
5
2. Row crop/frequent soil conserving crop
3. Row crops not more than 2 out of 4 years
4
5
4. Row crops not more than 1 out of 5 years
5. Return crop residue to the soil
4
5
5
6. Practice conservation tillage
4
5
5
7. Establish recommended grass or grass and legumes
3
8. Proper pasture and range management
3
9. Protect from burning
3
10. Control grazing
3
11. Plant recommended trees
12. Harvest trees selectively
13. Use only for wildlife or recreation area
1:
2:
3:
4:
Total:
Mechanical
14. Control brush or trees
15. Terrace and farm on contour
4
5
16. Maintain terraces
4
5
17. Construct diversion terraces
18. Install drainage system
19. Control gullies
20. No mechanical treatment
6
5
21. Soil amendments
5
3
22. Phosphorus (P)
3
5
23. Potassium (K)
3
24. Nitrogen (N)
5
3
5
5
25. No fertilizer or soil amendments