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Bird's-foot Trefoil, Any

Interpretive Nutrient Levels for Plant Analysis

Bird's-foot Trefoil, Any


Low Normal High Excessive
Nitrogen (% DW) 3.00
4.00
4.50
6.00
Phosphorus (% DW) 0.20
0.28
0.36
0.50
Potassium (% DW) 1.25
1.60
2.60
3.50
Calcium (% DW) 1.30
1.70
2.00
3.00
Magnesium (% DW) 0.20
0.40
0.60
1.00
Sulfur (% DW) 0.20
0.25
0.50
0.80
Manganese (ppm DW) 20
50
80
250
Iron (ppm DW) 20
30
250
500
Copper (ppm DW) 3
6
10
50
Boron (ppm DW) 15
30
75
100
Zinc (ppm DW) 15
30
50
100