Interpretive Nutrient Levels for Plant Analysis
Wheat, Spring
| Low | Normal | High | Excessive | |
|---|---|---|---|---|
| Nitrogen (% DW) | 1.00 |
2.00 |
3.01 |
8.00 |
| Phosphorus (% DW) | 0.15 |
0.20 |
0.51 |
2.00 |
| Potassium (% DW) | 1.25 |
1.50 |
3.01 |
8.00 |
| Calcium (% DW) | 0.07 |
0.20 |
0.51 |
5.00 |
| Magnesium (% DW) | 0.05 |
0.15 |
0.41 |
2.00 |
| Sulfur (% DW) | 0.05 |
0.15 |
0.41 |
2.00 |
| Manganese (ppm DW) | 5 |
25 |
101 |
300 |
| Iron (ppm DW) | 8 |
25 |
101 |
300 |
| Copper (ppm DW) | 2 |
5 |
26 |
100 |
| Boron (ppm DW) | 2 |
6 |
11 |
60 |
| Zinc (ppm DW) | 5 |
15 |
71 |
150 |
Ag Analytical Services Lab
Hours: Monday-Friday, 8:00 AM - 4:00 PM
- Email aaslab@psu.edu
- Office 814-863-0841
- Fax 814-863-4540
Ag Analytical Services Lab
Hours: Monday-Friday, 8:00 AM - 4:00 PM
- Email aaslab@psu.edu
- Office 814-863-0841
- Fax 814-863-4540
