Crops (Carrots, Potatoes, Cocoa Beans and Beetroot) have no textures in the NVIDIA RTX PBR Pixel Art Resource Pack with Blockworks (version from 2nd Feb 2021) in every growing stage.

Other crops like Wheat, Melons or Punpkins are displayed as intended.

[edit] I don't know how this ended up in the Dedicated Server section but this should be on general. I can't find a way to move this BR