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Lettuce, Any

Interpretive Nutrient Levels for Plant Analysis

Lettuce, Any


Low Normal High Excessive
Nitrogen (% DW) 2.49
3.50
4.50
8.00
Phosphorus (% DW) 0.39
0.40
0.70
2.00
Potassium (% DW) 4.49
4.50
8.00
9.99
Calcium (% DW) 0.80
1.00
1.80
7.00
Magnesium (% DW) 0.29
0.30
0.70
3.00
Sulfur (% DW) 0.29
0.30
0.50
2.00
Manganese (ppm DW) 20
50
200
300
Iron (ppm DW) 49
50
150
800
Copper (ppm DW) 2
5
15
100
Boron (ppm DW) 20
30
60
100
Zinc (ppm DW) 24
25
75
300