Interpretive Nutrient Levels for Plant Analysis

Corn, Mature Sweet


Low Normal High Excessive
Nitrogen (% DW) 2.20
2.50
3.50
7.00
Phosphorus (% DW) 0.20
0.30
0.71
3.00
Potassium (% DW) 1.20
1.50
3.51
7.00
Calcium (% DW) 0.10
0.30
0.60
3.00
Magnesium (% DW) 0.05
0.15
0.40
2.00
Sulfur (% DW) 0.13
0.21
0.76
2.00
Manganese (ppm DW) 20
31
301
1001
Iron (ppm DW) 26
50
301
800
Copper (ppm DW) 3
5
26
75
Boron (ppm DW) 5
8
26
61
Zinc (ppm DW) 15
20
151
400

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