Not to be glib but a tractor protest isn't that new, been stuck in Brussels a couple of times with that on whatever issue.

I don't know much about the land use potential on the continent. But here in the UK there's a problem with thinking not eating meat = relying on processed imitations, and there's little discussion about more simple plants that have good protein content. We actually have good conditions for growing lentils, chickpeas, oats, quinoa, walnuts, hazelnuts etc here but too much land is taken up rearing animals and the suffering that entails. We could do with giving fishing a rest too - over 1 trillion a year killed worldwide - and look at growing more seaweed which has lots of uses and is really nutritious and tasty. There are lots of really versatile ingredients that are high in protein, fibre, vitamins and low in fat that we don't utilise enough and would have a far lower environmental impact while reducing animal suffering. A little education needed on cooking is all. Let's leave the meat eating to the parts of the world that can't really grow veg at scale.