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

Ag Analytical Services Lab

Address

111 Ag Analytical Srvcs Lab
University Park, PA 16802
Directions

Hours: Monday-Friday, 8:00 AM - 4:30 PM

Ag Analytical Services Lab

Address

111 Ag Analytical Srvcs Lab
University Park, PA 16802
Directions

Hours: Monday-Friday, 8:00 AM - 4:30 PM