Interpretive Nutrient Levels for Plant Analysis

Maple, Norway


Low Normal High Excessive
Nitrogen (% DW) 1.00
2.00
3.00
4.00
Phosphorus (% DW) 0.10
0.12
0.30
0.40
Potassium (% DW) 0.40
0.50
2.00
3.00
Calcium (% DW) 0.50
0.75
2.00
2.50
Magnesium (% DW) 0.10
0.20
0.40
0.50
Sulfur (% DW) 0.10
0.15
0.40
0.50
Manganese (ppm DW) 25
40
400
500
Iron (ppm DW) 40
50
250
500
Copper (ppm DW) 2
5
20
30
Boron (ppm DW) 20
25
125
150
Zinc (ppm DW) 20
25
100
150

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