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Following are some representative recommendations on selected crops for rates and methods of application of microsnutrients. Recommend using lower rater or only on small observation plots if experience has not been gained in the area with a particular micronutrient.
| Rate of Element lbs. per acre |
Method of Application | |
BORON |
||
| Sugar Beets, Alfalfa | 2-3 | Soil Broadcast |
| Potatoes, Corn, Small Grain | 1-2 | Soil Broadcast |
| Deciduous Trees | 1-3 | Soil Broadcast |
| Beans | Not recommended | |
ZINC |
||
| Corn, Beans | 5-15 | Soil Broadcast |
| Potatoes, Alfalfa, Wheat | 5-10 | Soil Broadcast |
| Beets, Peas | 5-10 | Soil Broadcast |
| Deciduous Trees | 5-12 | Dormant Spray |
MANGANESE |
||
| Corn, Beens | 40-160 | Soil Broadcast |
| Sugar Beets, Onions | 20-80 | Soil Broadcast |
COPPER |
||
| Corn, Small Grain | 2-6 | Soil Broadcast |
| Vegetables | 1-8 | Soil Broadcast |
| Deciduous Trees | 1-2 | Foliar Spray |
IRON |
||
| Small Grain | 1-3 | Foliar Spray |
| Vegetables, Field Beans | 1/2-1 | Foliar Spray |
| Deciduous Trees | 1/8-1/4 | Foliar Spray |
MOLYBDENUM |
Ounces per acre | |
| Peas, Sugar Beets | 2-3 | Soil Broadcast |
| Clover | 1/2-1 | Soil Broadcast |
| Pasture | 1/4-1/2 | Soil Broadcast |
Several micronutrient materials for each of the elements listed above with their approximate analyses are listed on Page 45.
Graphs showing recommended rates of boron and zinc to apply to selected crops depending upon soil test values are given on pages 43 and 44 (click on next page).
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