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Spruce, Norway

Interpretive Nutrient Levels for Plant Analysis

Spruce, Norway


Low Normal High Excessive
Nitrogen (% DW) 0.60
0.90
3.00
4.00
Phosphorus (% DW) 0.04
0.06
0.40
0.50
Potassium (% DW) 0.30
0.45
1.10
2.00
Calcium (% DW) 0.06
0.08
0.85
1.25
Magnesium (% DW) 0.07
0.09
0.35
0.50
Sulfur (% DW) 0.07
0.13
0.20
0.40
Manganese (ppm DW) 25
38
300
1000
Iron (ppm DW) 40
60
128
300
Copper (ppm DW) 3
5
15
50
Boron (ppm DW) 10
13
17
50
Zinc (ppm DW) 10
20
50
100