Interpretive Nutrient Levels for Plant Analysis
Maple, Sugar
| Low | Normal | High | Excessive | |
|---|---|---|---|---|
| Nitrogen (% DW) | 0.50 |
0.73 |
2.87 |
4.00 |
| Phosphorus (% DW) | 0.06 |
0.08 |
0.30 |
0.40 |
| Potassium (% DW) | 0.30 |
0.39 |
1.42 |
2.00 |
| Calcium (% DW) | 0.50 |
0.57 |
2.42 |
3.50 |
| Magnesium (% DW) | 0.08 |
0.10 |
0.45 |
0.60 |
| Sulfur (% DW) | 0.03 |
0.05 |
0.22 |
0.40 |
| Manganese (ppm DW) | 50 |
80 |
761 |
1000 |
| Iron (ppm DW) | 30 |
35 |
220 |
500 |
| Copper (ppm DW) | 1 |
2 |
12 |
20 |
| Boron (ppm DW) | 12 |
16 |
62 |
100 |
| Zinc (ppm DW) | 7 |
9 |
54 |
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
