Share

Fir, Any

Interpretive Nutrient Levels for Plant Analysis

Fir, Any


Low Normal High Excessive
Nitrogen (% DW) 0.45
0.66
2.22
3.50
Phosphorus (% DW) 0.05
0.07
0.26
0.40
Potassium (% DW) 0.20
0.28
1.84
2.50
Calcium (% DW) 0.09
0.12
1.39
2.00
Magnesium (% DW) 0.04
0.05
0.26
0.40
Sulfur (% DW) 0.07
0.11
0.22
0.40
Manganese (ppm DW) 70
200
1600
2000
Iron (ppm DW) 25
35
120
200
Copper (ppm DW) 1
2
8
25
Boron (ppm DW) 10
15
35
75
Zinc (ppm DW) 10
20
50
100