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Oak, Red

Interpretive Nutrient Levels for Plant Analysis

Oak, Red


Low Normal High Excessive
Nitrogen (% DW) 1.50
1.87
2.70
3.50
Phosphorus (% DW) 0.07
0.11
0.25
0.40
Potassium (% DW) 0.50
0.83
1.72
2.50
Calcium (% DW) 0.40
0.55
0.95
1.50
Magnesium (% DW) 0.12
0.17
0.40
0.80
Sulfur (% DW) 0.05
0.11
0.30
0.50
Manganese (ppm DW) 100
236
1736
2500
Iron (ppm DW) 40
60
125
500
Copper (ppm DW) 3
5
14
25
Boron (ppm DW) 12
23
70
150
Zinc (ppm DW) 10
16
37
75