Table
1. Soil tests from the experimental sites. Chlorosis trials, North Dakota, 2009.
|
Measurement |
Units |
Ayr |
Hunter |
Leonard |
|
0-6"
depth |
|
|
|
|
|
|
|
|
|
|
|
pH |
|
8.0 |
8.3 |
8.4 |
|
EC |
mmho/cm |
0.9 |
0.4 |
0.3 |
|
CaCO3 |
% |
5.8 |
3.7 |
15.5 |
|
|
|
|
|
|
|
Org. matter |
% |
4.4 |
3.0 |
5.2 |
|
Av. P |
ppm |
9 |
11 |
3 |
|
Av. K |
ppm |
400 |
45 |
15 |
|
DTPA-Fe |
ppm |
2.7 |
2.1 |
4.2 |
|
|
|
|
|
|
|
0-24" depth |
|
|
|
|
|
|
|
|
|
|
|
Nitrate-N |
lb/A |
78 |
100 |
42 |
|
Sulfate-S |
lb/A |
1000 |
103 |
115 |