Fig. 1. Sweet Corn On Treated And Untreated Nonsaline-Alkali Pachappa Soil--Plot 2

 


Fig. 2. Sweet Corn on Treated and Untreated Nonsaline-Alkali Pachappa Soil--Plot 4

Table 1. Effect of C-I on runoff and soil erosion on Wooster silt loam
Data supplied by H.L. Borst, U.S. Soil conservation Service and Ohio Agricultural Experiment Station
Treatment
Runoff
Erosion
inches
% rainfall
lb./A.
Untreated
5.70
58.80
3,430
0.5% C-I
0.72
7.40
31

 

Table 2. Aggregation, aeration porosity, and saturated permeability of soils treated with conditioners

 
Aggregation
Aeration
Permeability
k X 105
Soil and Treatment
(particles >0.25mm.)
Porosity
Initial
After 2 hr.
 
per cent
per cent
sq. cm.
sq. cm.
Paulding clay
Untreated
45
22
1.1
1.3
0.05% CRD-186
85
24
4.7
4.2
0.15% CRD-186
94
40
5.4
4.7


Fig. 3. Erosion Control on a 34 degree Slope with CRD Resins (5-week period)

 

 

Table 3. Particles <0.25 mm. aggregated into water-stable aggregates >0.25 mm. by treatment with CRD-186

     
------Aggregation------
Soil
pH
Primary Particles >0.25mm.
Untreated
0.02% CRD-186
0.1% CRD-186
 
%
%
%
%
Paulding clay
6.0
5.5
26
29
63
Houston clay
7.8
3.2
8
8
37
Fargo clay
6.3
0.7
22
36
70
Sacreamento clay
7.4
0.0
8
25
47
Panoche silty clay
7.6
16.9
7
15
34
Decatur silty clay
7.6
9.2
49
31
61
Brookston silty clay
6.5
4.2
28
42
72
Miami silty loam
5.8
9.3
7
48
96
Clarksville silty loam
4.4
15.5
14
29
83
Grenada silty loam
4.4
0.0
11
31
69
Hagerstown silty loam
5.8
3.3
32
58
81
Hammerly silty loam
7.6
14.8
4
15
31
Cherokee silty loam
6.1
2.0
7
34
94
Memphis silty loam
5.0
0.6
19
43
71
Pond loam
9.5
18.1
1
38
87
Chester loam
5.2
10.5
23
74
86
Jefferson loam
5.4
17.7
4
33
75
Renville loam
6.4
15.1
5
13
57
Portsmouth fine sandy loam
4.5
-
66
38
36
Haumee fine sandy loam
7.0
3.7
27
29
64
Cecil sandy loam
4.8
46.3
78
86
74
Barboursville sandy loam
5.6
61.7
11
78
86
Lakeland sand
4.8
56.4
3
8
39
Average
-
-
20
37
66

 

Fig 4. Carrots from Two Rates of Treatment in Triplicate 7-inch Pots After 3 Months' Growth in Miami Silt Loam

 

Table 4. Effect of soil treatment with 0.1 per cent CRD-186 on stand, height, and yield of sweet corn

Plot Number
1
2
3
4
Soil Condition
Normal Soil
Nonsaline-alkali
Saline-alkali No. 1
Saline-alkali No. 2
 
Per cent
stand
Treated
100
100
100
100
Untreated
100
30
0
40
 
Average
height--inches
Treated
60
60
49
51
Untreated
54
43
0
30
 
Number of ears
and average
weight per ear
--gm.
Treated
28-137
26-156
21-105
17-118
Untreated
26-142
5-151
0-0
0-0
 
Total
yield--gm.
Treated
3822
4046
2208
4003
Untreated
3701
756
0
0

 

Fig. 5. Effect of CRD-189 Treatment on Emergence of Radish Seedlings

Greehouse flats of Miami silt loam, left, untreated; right, treated with 0.05 per cent CRD-189. Treated soil showed no slaking, shrinkage, or crack formation.

 

Fig 6. Poinsettias at Inception of Blooming in Miami Silt Loam

Left: untreated; right: treated with 0.05 per cent CRD-189. Blooms of plants in conditioned soil later averaged twice the diameter of those in untreated soil.