Interpretive Nutrient Levels for Plant Analysis
Magnolia, Any
| Low | Normal | High | Excessive | |
|---|---|---|---|---|
| Nitrogen (% DW) | 1.20 |
1.80 |
3.00 |
4.00 |
| Phosphorus (% DW) | 0.10 |
0.15 |
0.30 |
0.40 |
| Potassium (% DW) | 0.75 |
1.00 |
2.50 |
3.00 |
| Calcium (% DW) | 1.25 |
1.80 |
2.50 |
3.00 |
| Magnesium (% DW) | 0.15 |
0.20 |
0.50 |
1.00 |
| Sulfur (% DW) | 0.05 |
0.12 |
0.40 |
1.00 |
| Manganese (ppm DW) | 30 |
50 |
500 |
750 |
| Iron (ppm DW) | 25 |
50 |
200 |
500 |
| Copper (ppm DW) | 3 |
5 |
30 |
50 |
| Boron (ppm DW) | 10 |
15 |
75 |
150 |
| Zinc (ppm DW) | 7 |
10 |
40 |
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
