For crop insurance, shrink corn to 15% and soybeans to 13%.

 

Example:

1,000 wet bushels of corn @ 20% moisture

Look up the 20% moisture factor (.9400)

Take 1,000 bushels x .9400 shrink factor = 940 dry bushels (15%)

 

Here are the crop insurance shrink factor tables for corn and soybeans.

Corn Shrink Factors Soybean Shrink Factors

Soybean Shrink Factors