Interpretive Nutrient Levels for Plant Analysis

Palm, Rhapis


Low Normal High Excessive
Nitrogen (% DW) 1.00
1.80
2.80
8.00
Phosphorus (% DW) 0.11
0.15
0.80
2.00
Potassium (% DW) 1.00
1.50
2.50
6.00
Calcium (% DW) 0.25
0.41
1.00
5.00
Magnesium (% DW) 0.16
0.20
0.30
1.00
Sulfur (% DW) 0.11
0.15
0.75
2.00
Manganese (ppm DW) 25
50
250
500
Iron (ppm DW) 25
80
300
500
Copper (ppm DW) 5
7
25
200
Boron (ppm DW) 11
16
75
200
Zinc (ppm DW) 14
20
200
500

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