How to protect crops from unseasonal rain at harvest time?

Watch the agromet forecast closely near harvest and harvest a little early if heavy unseasonal rain is predicted, because a standing or freshly cut mature crop is most vulnerable. If rain is forecast, harvest ready wheat or onion quickly and shift the produce to covered, raised, ventilated storage rather than leaving it in the open. Keep tarpaulin ready to cover harvested heaps and threshing floors. For onion, proper curing and airy storage structures prevent rot after rain. Drain fields so water does not stand on standing crops, and after rain dry the produce well before storage to avoid sprouting and fungus. Report damage to harvested or standing crops to the agriculture department and insurance, since post harvest losses from unseasonal rain are covered in many cases.