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Top-dressing can help you get the most out of your alfalfa
stands this year. Each cutting depletes nutrients from the soil that
must be returned to insure you reach your yield potential.
The following
chart shows the amounts of key nutrients that are taken
away with each cutting:
| Minerals Removed (Lbs./Acre) |
Tons/Acre of Alfalfa |
| |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
| Phosphate |
33 |
44 |
55 |
66 |
77 |
88 |
99 |
110 |
| Potash |
180 |
240 |
300 |
360 |
420 |
480 |
540 |
600 |
| Sulfur |
14.3 |
19.0 |
23.8 |
28.5 |
33.3 |
38.0 |
42.8 |
47.5 |
| Zinc |
.3 |
.4 |
.5 |
.6 |
.7 |
.8 |
.9 |
1.0 |
This chart is designed to estimate alfalfa
removal of fertilizer nutrients. To properly build soil fertility levels, use
the recommendations from a soil test.
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