Soil Factors Part 1
Check Appropriate Square
A.
Texture
Sur. Sub.
3
1.
Coarse
(sand)
1
2.
Moderately Coarse
1
3.
Medium
(silt, loam)
1
4.
Moderately
Fine
1
5.
Fine
(clay)
B.
Depth of Soil
1
1.
Deep
(40" or more)
1
2.
Moderately Deep
(20" - 40")
3
3.
Shallow
(10" - 20")
7
4.
Very Shallow
(less than 10")
C.
Slope
1
1.
Nearly Level
(less than 1')
2
2.
Gently Sloping
(1' to 3')
3
3.
Moderately Sloping
(3' to 5')
4
4.
Strongly Sloping
(5' to 8')
6
5.
Steep
(8' to 15')
6
6.
Very Steep
(15' or more)
D.
Erosion
-
Wind & Water
1
1.
None to Slight
(25% or less
-- fraction formed 3/4 or larger)
2
2.
Moderate
(25% - 75%
-- fraction formed 3/4 to 1/4)
6
3.
Severe
(75% or more
-- fraction formed less than 1/4)
6
4.
Very Severe
(75% or more and
un-crossable ditches)
E.
Permeability
3
1.
Rapid
(coarse)
1
2.
Moderate
(mod. coarse & medium)
1
3.
Slow
(mod. fine)
2
4.
Very Slow
(fine)
F.
Surface Runoff
3
1.
Rapid
(greater than 3' slope)
1
2.
Moderate
(gently sloping)
1
3.
Slow
(nearly level not
very slow perm. concave for slope)
2
4.
Very Slow
(coarse sur. and rapid
perm. or concave with very slow perm.)
G.
Major Factors
that keep land out of class I
1.
Texture
2.
Depth
3.
Slope
4.
Erosion
5.
Permeability
6.
Runoff
7.
Wetness
8.
Flooding
9.
None
H.
Land Capability Class
1.
Class I
2.
Class II
3.
Class III
4.
Class IV
5.
Class V
6.
Class VI
7.
Class VII
8.
Class VIII
Land
Judging
Card
Recommended Land Treatments
Part 2
A.
Vegetative
1.
Row crop/occ
(if Class I)
2.
Row crop/fre
(if Class II)
3.
Row crop 2 of 4
(if Class III)
4.
Row crop 1 of 5
(if Class IV)
5.
Return crop res
.
(if Class I, II, III or IV)
6.
Practice cons tillage
(if 5 is checked)
7.
Est. grass or legumes
(if Class V - VIII)
8.
Proper Management
(if 7 is checked)
9.
Protect Burn
(if 7 is checked)
10.
Control Grazing
(if 7 is checked)
11.
Plant Rec. trees
12.
Harvest trees selectively
13.
Wildlife & Recreation
B.
Mechanical
14.
Control trees
(if trunk is 2" diameter at 5' above ground)
15.
Terrace
(mark if not nearly level or coarse, class II - IV)
16.
Maintain Terraces
(if 15 is marked)
17.
Diversion terrace
(other factors - overhead water problem)
18.
Drainage system
(other factors - mod. wet.)
19.
Control gullies
(if present)
20.
No mechanical treatment
(if none of 14 - 19 are checked)
C.
Fertilizer and Soil Amendments
21.
Soil Amendments
(pH < or = 6.3 or > 8.0)
22.
Phosphorus
(< 60)
23.
Potassium
(< 300)
24.
Nitrogen
(deficient)
25.
Not Needed
(if none of 21 - 24 are checked)
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