Interpretive Nutrient Levels for Plant Analysis

Ash, Green


Low Normal High Excessive
Nitrogen (% DW) 1.50
1.93
2.68
3.00
Phosphorus (% DW) 0.12
0.15
0.37
0.50
Potassium (% DW) 0.75
0.92
2.70
3.00
Calcium (% DW) 0.50
0.61
2.01
2.50
Magnesium (% DW) 0.18
0.22
0.49
0.60
Sulfur (% DW) 0.12
0.20
0.27
0.50
Manganese (ppm DW) 20
24
75
250
Iron (ppm DW) 35
48
150
500
Copper (ppm DW) 8
13
18
40
Boron (ppm DW) 12
17
82
100
Zinc (ppm DW) 6
9
28
50

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