Interpretive Nutrient Levels for Plant Analysis

Maple, Sugar


Low Normal High Excessive
Nitrogen (% DW) 0.50
0.73
2.87
4.00
Phosphorus (% DW) 0.06
0.08
0.30
0.40
Potassium (% DW) 0.30
0.39
1.42
2.00
Calcium (% DW) 0.50
0.57
2.42
3.50
Magnesium (% DW) 0.08
0.10
0.45
0.60
Sulfur (% DW) 0.03
0.05
0.22
0.40
Manganese (ppm DW) 50
80
761
1000
Iron (ppm DW) 30
35
220
500
Copper (ppm DW) 1
2
12
20
Boron (ppm DW) 12
16
62
100
Zinc (ppm DW) 7
9
54
100

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