Interpretive Nutrient Levels for Plant Analysis

Pear, Any


Low Normal High Excessive
Nitrogen (% DW) 1.35
1.60
2.41
2.42
Phosphorus (% DW) 0.15
0.18
0.26
0.27
Potassium (% DW) 0.16
0.20
2.01
2.02
Calcium (% DW) 0.10
1.30
9.01
9.99
Magnesium (% DW) 0.05
0.30
0.61
0.62
Sulfur (% DW) 0.09
0.17
0.26
0.80
Manganese (ppm DW) 5
20
199
200
Iron (ppm DW) 40
50
400
500
Copper (ppm DW) 2
6
25
200
Boron (ppm DW) 5
35
80
81
Zinc (ppm DW) 5
20
200
400

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