Interpretive Nutrient Levels for Plant Analysis
Ash, Green
| Low | Normal | High | Excessive | |
|---|---|---|---|---|
| Nitrogen (% DW) | 1.50 |
1.93 |
2.68 |
3.00 |
| Phosphorus (% DW) | 0.12 |
0.15 |
0.37 |
0.50 |
| Potassium (% DW) | 0.75 |
0.92 |
2.70 |
3.00 |
| Calcium (% DW) | 0.50 |
0.61 |
2.01 |
2.50 |
| Magnesium (% DW) | 0.18 |
0.22 |
0.49 |
0.60 |
| Sulfur (% DW) | 0.12 |
0.20 |
0.27 |
0.50 |
| Manganese (ppm DW) | 20 |
24 |
75 |
250 |
| Iron (ppm DW) | 35 |
48 |
150 |
500 |
| Copper (ppm DW) | 8 |
13 |
18 |
40 |
| Boron (ppm DW) | 12 |
17 |
82 |
100 |
| Zinc (ppm DW) | 6 |
9 |
28 |
50 |
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
