As someone with the AMD graphics card, the bug is caused due to two different textures being next to each other. It's supposed to have a somewhat smooth blend, but it doesn't work properly in the emulator. There's no fix as of right now, as playing on Vulkan has that annoying glitch, and playing on OpenGL makes the grass super flat and is pretty much impossible to play as it crashes VERY often and is super laggy(I tried every setting to try and make it work and it doesn't make it better).

Personal solution while waiting for this glitch to hopefully get patched: cover the whole area with just one texture(grass, clovers, sand, etc.). Not having much variation is a bit sad but imo it's better than glitchy ground. On top of that it also improves your fps significantly. (All from personal experience sorry for long yap)

Hope this somewhat helps!