New Fact Sheet: Managing Rained-on Alfalfa for Haylage
When alfalfa is rained on after mowing, forage quality and dry matter are lost. Rain amount and intensity are the significant factors affecting the amount of loss:
A light drizzle will have little effect (other than to lengthen drying time and increase respiratory losses of starch and sugar.)
A prolonged rain additionally will leach out some of the soluble nonstructural carbohydrates (sugars) and soluble protein.
An intense rain will additionally cause leaf loss, resulting in dry matter l