That's an excellent point, and I should have clarified that I have only witnessed it personally in the domestic U.S. I have heard of it being done over Australia, and they were finding elevated metal content in their rainwater. I'm curious where else it's been sprayed, and the possible flight patterns.

Also, that's quite interesting with the farmers' observation of their land and crops. If you look into the GMO's and Monsanto (Chemical company), and how out-of-control the chemically engineered seeds have spread in South American countries. I'm curious if there's any possibility of these two subjects being related.

Not to get off subject, but here's a documentary on Monsanto and GMO's: