Interpretive Nutrient Levels for Plant Analysis
Rose, Any
| Low | Normal | High | Excessive | |
|---|---|---|---|---|
| Nitrogen (% DW) | 2.80 |
3.00 |
5.00 |
6.00 |
| Phosphorus (% DW) | 0.17 |
0.20 |
0.30 |
2.00 |
| Potassium (% DW) | 1.40 |
1.80 |
3.00 |
9.99 |
| Calcium (% DW) | 0.80 |
1.00 |
1.50 |
9.99 |
| Magnesium (% DW) | 0.21 |
0.25 |
0.35 |
2.00 |
| Sulfur (% DW) | 0.20 |
0.25 |
0.70 |
2.00 |
| Manganese (ppm DW) | 25 |
30 |
250 |
800 |
| Iron (ppm DW) | 40 |
50 |
150 |
999 |
| Copper (ppm DW) | 4 |
6 |
15 |
200 |
| Boron (ppm DW) | 25 |
30 |
60 |
400 |
| Zinc (ppm DW) | 15 |
17 |
50 |
400 |
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
