Proper Grain Storage To Prevent Spoilage And Grain Losses Is Highly Dependent On An Effective Grain Storage System. Storage Structures Must Be Designed And Maintained To Protect Grain From Weather, Bird, Animal, Insect, And Mite And Mold Damage. Grain That Is To Be Stored For Any Length Of Time Must Be Kept Uniformly Cool And Dry. Moisture Content And Temperature Are The Main Factors That Determine The Length Of Time That Grain Can Be Safely Stored. more... See more text