Table 1. Soil tests from the experimental sites. Chlorosis trials, North Dakota, 2008.
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------------------------- Site
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Measurement |
Units |
Amenia |
Ayr |
Colfax |
Galesburg |
Leonard |
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0-6" depth |
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|
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|
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|
pH |
|
8.0 |
7.8 |
8.2 |
8.1 |
8.2 |
|
EC |
mmho/cm |
0.8 |
2.1 |
0.2 |
0.6 |
0.7 |
|
CaCO3 |
% |
7.7 |
14.0 |
1.9 |
3.2 |
21.0 |
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|
|
|
|
|
|
|
|
Org. matter |
% |
3.4 |
3.9 |
2.0 |
3.8 |
7.7 |
|
Av. P |
ppm |
8 |
7 |
18 |
44 |
8 |
|
Av. K |
ppm |
260 |
300 |
53 |
145 |
77 |
|
DTPA-Fe |
ppm |
6.5 |
7.0 |
5.0 |
4.2 |
5.5 |
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|
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|
0-24" depth |
|
|
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|
|
Nitrate-N |
lb/A |
20 |
108 |
33 |
101 |
23 |
|
Sulfate-S |
lb/A |
913 |
1067 |
23 |
469 |
262 |