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

Address

720 Tower Rd
University Park, PA 16802
Directions

Hours: Monday-Friday, 8:00 AM - 4:00 PM

Ag Analytical Services Lab

Address

720 Tower Rd
University Park, PA 16802
Directions

Hours: Monday-Friday, 8:00 AM - 4:00 PM