Interpretive Nutrient Levels for Plant Analysis

Tuliptree, Any


Low Normal High Excessive
Nitrogen (% DW) 1.50
1.90
4.28
5.00
Phosphorus (% DW) 0.08
0.10
0.34
0.40
Potassium (% DW) 0.50
0.62
2.00
2.50
Calcium (% DW) 1.00
1.39
3.52
4.00
Magnesium (% DW) 0.15
0.21
0.61
0.75
Sulfur (% DW) 0.10
0.17
0.40
0.50
Manganese (ppm DW) 30
40
471
750
Iron (ppm DW) 40
50
280
500
Copper (ppm DW) 4
5
28
40
Boron (ppm DW) 20
27
75
100
Zinc (ppm DW) 10
13
32
50

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