Good idea. I don't really know anything that isn't already out there, but still happy to talk to any journalists/NGOs/regulators about it.

I have been going on about this to a journalist friend of mine who's works at a public broadcaster, but it didn't really go anywhere. Well, at least I'm airing this on HN now.

It's made me wary of wild-camping on grassy areas around farms, knowing what some farmers might be spraying there.

This is the app: http://uk.dowagro.com/grassland-weed-app-now-available/

About the killer compost it creates: https://www.sustainablemarketfarming.com/tag/tomatoes-with-d...