I just learned this from a rancher: "If the flapper arm stays constantly in the spray of the water the spring is too tight. If the flapper stays out the spring is broken. Over simplified, but that is the spring's story. If the sprinkler is not turning the center core of the sprinkler is worn. It is ...

I have a box with a stash of metal impact sprinklers that refuse to turn. Maybe the springs have weakened? Can anyone help me repair them?
Dave Sabold
methow37@gmail.com

Many of the burnt trees have broken upper trunks. I thought that trees would first rot at or below ground level, and then fall. Any theories?

We lost our seed stock. Can anyone spare a few so we can start over?
Sabolds
methow37@gmail.com