Interpretive Nutrient Levels for Plant Analysis
Grass, Orchard
| Low | Normal | High | Excessive | |
|---|---|---|---|---|
| Nitrogen (% DW) | 2.40 |
3.20 |
4.21 |
7.50 |
| Phosphorus (% DW) | 0.18 |
0.23 |
0.36 |
2.00 |
| Potassium (% DW) | 2.00 |
2.60 |
3.51 |
8.00 |
| Calcium (% DW) | 0.15 |
0.50 |
0.91 |
5.00 |
| Magnesium (% DW) | 0.05 |
0.15 |
0.31 |
2.00 |
| Sulfur (% DW) | 0.12 |
0.20 |
0.26 |
2.00 |
| Manganese (ppm DW) | 15 |
50 |
151 |
500 |
| Iron (ppm DW) | 15 |
50 |
201 |
999 |
| Copper (ppm DW) | 1 |
3 |
6 |
100 |
| Boron (ppm DW) | 3 |
8 |
13 |
100 |
| Zinc (ppm DW) | 7 |
20 |
51 |
200 |
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
