Technologies are available to reduce the possibilities of rain-damaged hay. It is critical that a mower-conditioner be set to crimp the stem every third to fourth inch. Drying agents are only effective on legumes and are applied at mowing. Preservatives are applied at baling. Tedders should not be used when moisture levels are less than 50 percent as leaf shatter will be severe. Making bale silage is becoming more popular as a way to fight Mother Nature.