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FERTILIZING WITH MICRONUTRIENTS

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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