Interpretive Nutrient Levels for Plant Analysis
Alfalfa, Any
| Low | Normal | High | Excessive | |
|---|---|---|---|---|
| Nitrogen (% DW) | 3.00 |
3.76 |
5.51 |
7.01 |
| Phosphorus (% DW) | 0.21 |
0.26 |
0.71 |
1.01 |
| Potassium (% DW) | 1.75 |
2.01 |
3.51 |
5.01 |
| Calcium (% DW) | 1.00 |
1.76 |
3.01 |
4.01 |
| Magnesium (% DW) | 0.20 |
0.31 |
1.01 |
2.01 |
| Sulfur (% DW) | 0.20 |
0.26 |
0.51 |
0.81 |
| Manganese (ppm DW) | 20 |
31 |
101 |
251 |
| Iron (ppm DW) | 20 |
31 |
251 |
401 |
| Copper (ppm DW) | 6 |
11 |
31 |
51 |
| Boron (ppm DW) | 20 |
31 |
251 |
401 |
| Zinc (ppm DW) | 11 |
21 |
71 |
101 |
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
