Interpretive Nutrient Levels for Plant Analysis
Tomato, Any
| Low | Normal | High | Excessive | |
|---|---|---|---|---|
| Nitrogen (% DW) | 2.50 |
3.75 |
4.25 |
5.50 |
| Phosphorus (% DW) | 0.20 |
0.30 |
0.52 |
0.60 |
| Potassium (% DW) | 1.50 |
2.30 |
4.10 |
5.00 |
| Calcium (% DW) | 0.20 |
1.00 |
4.75 |
6.50 |
| Magnesium (% DW) | 0.20 |
0.55 |
1.00 |
1.25 |
| Sulfur (% DW) | 0.20 |
0.30 |
1.21 |
3.00 |
| Manganese (ppm DW) | 20 |
30 |
100 |
500 |
| Iron (ppm DW) | 25 |
40 |
100 |
450 |
| Copper (ppm DW) | 6 |
10 |
20 |
35 |
| Boron (ppm DW) | 15 |
25 |
45 |
90 |
| Zinc (ppm DW) | 20 |
25 |
71 |
72 |
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
