Interpretive Nutrient Levels for Plant Analysis
Holly, Any
| Low | Normal | High | Excessive | |
|---|---|---|---|---|
| Nitrogen (% DW) | 1.03 |
1.60 |
2.80 |
4.00 |
| Phosphorus (% DW) | 0.10 |
0.13 |
0.60 |
1.00 |
| Potassium (% DW) | 0.60 |
0.90 |
3.00 |
4.00 |
| Calcium (% DW) | 0.20 |
0.50 |
2.50 |
3.00 |
| Magnesium (% DW) | 0.18 |
0.24 |
1.00 |
2.00 |
| Sulfur (% DW) | 0.13 |
0.20 |
0.40 |
1.00 |
| Manganese (ppm DW) | 20 |
50 |
200 |
450 |
| Iron (ppm DW) | 40 |
65 |
400 |
500 |
| Copper (ppm DW) | 5 |
10 |
50 |
100 |
| Boron (ppm DW) | 20 |
30 |
100 |
150 |
| Zinc (ppm DW) | 10 |
15 |
200 |
300 |
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
