| Plant Part |
Time of Sampling |
N |
P |
K |
Ca |
Mg |
S |
Fe |
Mn |
Zn |
B |
Cu |
| Percent (%) |
Parts per Million (ppm) |
| Broccoli |
| Most recently mature leaf |
Heading |
3-4.5 |
0.3-0.5 |
1.5-4 |
1.2-2.5 |
0.23-0.4 |
- |
40-300 |
25-150 |
45-95 |
30-50 |
5-10 |
| Brussel Sprouts |
| Most recently mature leaf |
At early sprouts |
2.2-5 |
0.2-0.6 |
2.4-3.5 |
0.4-2 |
0.2-0.4 |
0.2-0.8 |
50-150 |
20-200 |
20-80 |
30-70 |
5-10 |
| Cabbage |
| Most recently mature leaf |
5 weeks after transplanting |
3.2-6 |
0.3-0.6 |
2.8-5 |
1.1-2 |
0.25-0.6 |
0.3 |
30-60 |
20-40 |
30-50 |
20-40 |
3-7 |
| 8 weeks after transplanting |
3-6 |
0.3-0.6 |
2-4 |
1.5-2 |
0.25-0.6 |
0.3 |
30-60 |
20-40 |
30-50 |
20-40 |
3-7 |
| Wrapper leaf |
Heads half grown |
3-4 |
0.3-0.5 |
2.3-4 |
1.5-2 |
0.25-0.45 |
0.3 |
20-40 |
20-40 |
20-30 |
30-50 |
4-8 |
| At harvest |
1.8-3 |
0.26-0.4 |
1.5-3 |
1.5-2 |
0.25-0.45 |
0.3 |
20-40 |
20-40 |
20-30 |
30-50 |
4-8 |
| Cauliflower |
| Most recently mature leaf |
Buttoning |
3-5 |
0.4-0.7 |
2-4 |
0.8-2 |
0.25-0.6 |
0.6-1 |
30-60 |
30-80 |
30-50 |
30-50 |
5-10 |
| Heading |
2.2-4 |
0.3-0.7 |
1.5-3 |
1-2 |
0.25-0.6 |
- |
30-60 |
50-80 |
30-50 |
30-50 |
5-10 |
| Chinese cabbage (heading) |
| Oldest undamaged leaf |
8-leaf stage |
4.5-5 |
0.5-0.6 |
7.5-8.5 |
4.5-5 |
0.35-0.45 |
- |
- |
14-20 |
30-50 |
15-25 |
5-10 |
| At maturity |
3.5-4 |
0.3-0.6 |
3-6.5 |
3.7-6 |
0.4-0.5 |
- |
- |
13-19 |
20-40 |
30-50 |
4-6 |
| 1 The sufficiency ranges provided are to be used as a reference and a guideline only. |
| Adapted from Maynard, D.N., and G.J. Hochmuth. 2007. Knott’s Handbook for Vegetable Growers. 5th edition. John Wiley & Sons, Inc. New York. |