Soil Levels
| CALIFORNIA |
|
|
|
| Primary Nutrients |
Optimum Range |
|
|
| Nitrate - Nitrogen |
10 - 40 |
PPM |
|
| Phosphorus |
12 - 60 |
PPM |
|
| Potassium (Exch) |
81 - 500 |
PPM |
|
| Potassium (Sol) |
0.5 - 4.0 |
meq/L |
|
| |
|
|
|
| Secondary Nutrients |
|
|
|
| Calcium (Exch) |
|
PPM |
|
| Calcium (Exch) |
2.0 - 20 |
meq/L |
|
| Magnesium (Exch) |
|
PPM |
|
| Magnesium (Exch) |
1.5 - 4.5 |
meq/L |
|
| Sodium (Exch) |
|
PPM |
|
| Sodium (Exch) |
See SAR |
meq/L |
|
| Sulfate |
0.6 - 20 |
meq/L |
|
| |
|
|
|
| Micro Nutrients |
|
|
|
| Zinc |
0.7 - 50 |
PPM |
|
| Manganese |
1.4 - 50 |
PPM |
|
| Iron |
8.0 - 100 |
PPM |
|
| Copper |
0.2 - 15 |
PPM |
|
| Boron |
0.3 - 2.1 |
PPM |
|
| Chloride |
0.1 - 4.0 |
meq/L |
|
| |
|
|
|
| Base Saturation |
|
|
|
| CEC - Calcium |
60 - 80 |
% |
|
| CEC - Magnesium |
10 - 20 |
% |
|
| CEC - Potassium |
2 - 5 |
% |
|
| CEC - Sodium |
0 - 5 |
% |
|
| CEC - Hydrogen |
0 - 3 |
% |
|
| |
|
|
|
| pH |
5.8 - 8.2 |
|
6 -6.6 |
| Soil Type |
|
|
|
| P |
0.5 - 2.0 |
mmhos/cm |
|
| SAR |
0.1 - 6 |
|
|
| Limestone |
0 - 0.1 |
|
|