Interpretive Nutrient Levels for Plant Analysis
Rhododendren, Any
| Low | Normal | High | Excessive | |
|---|---|---|---|---|
| Nitrogen (% DW) | 1.00 |
1.42 |
2.48 |
4.00 |
| Phosphorus (% DW) | 0.07 |
0.09 |
0.27 |
0.50 |
| Potassium (% DW) | 0.40 |
0.77 |
1.84 |
2.50 |
| Calcium (% DW) | 0.40 |
0.52 |
2.19 |
3.00 |
| Magnesium (% DW) | 0.10 |
0.14 |
0.47 |
1.00 |
| Sulfur (% DW) | 0.08 |
0.10 |
0.31 |
0.50 |
| Manganese (ppm DW) | 50 |
75 |
1000 |
2000 |
| Iron (ppm DW) | 20 |
30 |
250 |
500 |
| Copper (ppm DW) | 1 |
2 |
19 |
25 |
| Boron (ppm DW) | 18 |
22 |
76 |
100 |
| Zinc (ppm DW) | 20 |
30 |
70 |
100 |
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
