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Collards, Any

Interpretive Nutrient Levels for Plant Analysis

Collards, Any


Low Normal High Excessive
Nitrogen (% DW) 3.50
4.00
5.01
9.99
Phosphorus (% DW) 0.25
0.30
0.81
3.00
Potassium (% DW) 2.50
3.00
4.51
9.00
Calcium (% DW) 2.50
3.00
4.01
9.00
Magnesium (% DW) 0.20
0.25
0.76
3.00
Sulfur (% DW) 0.10
0.20
1.00
2.00
Manganese (ppm DW) 25
30
251
800
Iron (ppm DW) 40
50
151
500
Copper (ppm DW) 2
4
21
100
Boron (ppm DW) 25
30
100
300
Zinc (ppm DW) 18
20
101
300