Interpretive Nutrient Levels for Plant Analysis

Magnolia, Any


Low Normal High Excessive
Nitrogen (% DW) 1.20
1.80
3.00
4.00
Phosphorus (% DW) 0.10
0.15
0.30
0.40
Potassium (% DW) 0.75
1.00
2.50
3.00
Calcium (% DW) 1.25
1.80
2.50
3.00
Magnesium (% DW) 0.15
0.20
0.50
1.00
Sulfur (% DW) 0.05
0.12
0.40
1.00
Manganese (ppm DW) 30
50
500
750
Iron (ppm DW) 25
50
200
500
Copper (ppm DW) 3
5
30
50
Boron (ppm DW) 10
15
75
150
Zinc (ppm DW) 7
10
40
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