ROMI is an open and lightweight robotics platform for micro-farms that grow a large diversity of polyculture crops. Developing state-of-the-art land-based and air-borne monitoring tools to handle small fields with complex layouts and mixed crops. Produce an integrated, multi- scale picture of the crop development that will help the farmer monitor the crops to increase efficient harvesting.  ROMI develops tools for the transition to computational and ecological agriculture. ROMI is a European Commission Horizon 2020 project.