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Corn, 12" Tall

Interpretive Nutrient Levels for Plant Analysis

Corn, 12" Tall


Low Normal High Excessive
Nitrogen (% DW) 2.45
3.50
5.00
7.00
Phosphorus (% DW) 0.16
0.30
0.50
3.00
Potassium (% DW) 1.25
2.50
4.00
7.00
Calcium (% DW) 0.10
0.30
0.70
3.00
Magnesium (% DW) 0.10
0.15
0.45
2.00
Sulfur (% DW) 0.13
0.21
0.76
2.00
Manganese (ppm DW) 15
20
300
1001
Iron (ppm DW) 10
50
250
800
Copper (ppm DW) 3
5
20
75
Boron (ppm DW) 3
5
25
61
Zinc (ppm DW) 15
20
60
400