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Corn, Field

Interpretive Nutrient Levels for Plant Analysis

Corn, Field


Low Normal High Excessive
Nitrogen (% DW) 2.45
2.76
3.51
3.76
Phosphorus (% DW) 0.16
0.25
0.51
0.61
Potassium (% DW) 1.25
1.71
2.51
3.51
Calcium (% DW) 0.10
0.21
1.01
1.51
Magnesium (% DW) 0.10
0.21
0.61
1.01
Sulfur (% DW) 0.10
0.21
0.51
0.81
Manganese (ppm DW) 15
20
151
201
Iron (ppm DW) 10
21
251
351
Copper (ppm DW) 3
6
21
51
Boron (ppm DW) 2
4
26
46
Zinc (ppm DW) 11
20
71
101