I know it's easy to know how better to farm other people's land (or think you know how to anyway), but is blackgrass not something that has been brought about by farmers themselves, as opposed to chemical companies/machinery dealer/salesmen etc? Genuinely asking here, not trying to imply I do actually have the answers. Firstly I've never seen BG in real life, secondly I'm no farming expert even without it! Is it not safe to say though that non-inversion tillage combined with less then ideal rotations cause problems? Don't lots of people choose non-inversion because it seems like the cheaper and easier option in the short term? And easy rotations with the goal of short term gain?