Interpretive Nutrient Levels for Plant Analysis
Spruce, Norway
| Low | Normal | High | Excessive | |
|---|---|---|---|---|
| Nitrogen (% DW) | 0.60 |
0.90 |
3.00 |
4.00 |
| Phosphorus (% DW) | 0.04 |
0.06 |
0.40 |
0.50 |
| Potassium (% DW) | 0.30 |
0.45 |
1.10 |
2.00 |
| Calcium (% DW) | 0.06 |
0.08 |
0.85 |
1.25 |
| Magnesium (% DW) | 0.07 |
0.09 |
0.35 |
0.50 |
| Sulfur (% DW) | 0.07 |
0.13 |
0.20 |
0.40 |
| Manganese (ppm DW) | 25 |
38 |
300 |
1000 |
| Iron (ppm DW) | 40 |
60 |
128 |
300 |
| Copper (ppm DW) | 3 |
5 |
15 |
50 |
| Boron (ppm DW) | 10 |
13 |
17 |
50 |
| Zinc (ppm DW) | 10 |
20 |
50 |
100 |
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
