I always seem to have a bit of cow's milk leftover now that the kids are gone. I read somewhere that it can be diluted and used as a fungicide on the garden and to increase soil bacteria.

Anyone know any more about this and can enlighten me?

Has anyone tried this themselves or am I about to bark up the wrong tree?

I read that when there was a big milk surplus the dairy farmers sprayed milk onto crops, and there's a gardening guru on TB2K who always recommends putting powdered milk and corn meal on your plants, so I'd say go for it.
I want to try it, but with 6 kids I never have any milk left!

Thanks tygerkittn. I think I'll give it a try. It's shaping up to be a great summer for powdery mildew here.

I use watered down left over milk for my pumkins. I don't pour over the plant just at the roots. I get some big pumkins every year doing this;

hope this helps