Itaconix PLC (AIM:ITX, OTCQB:ITXXF, FRA:18G0) is running field trials on American corn farms this growing season to assess whether its polymer technology can improve nutrient uptake in crops. The plant-based polymer specialist is working with a small number of farms in the United States to test a product under the tradename BioVail GRZ 200L on corn crops, with full results expected after harvest.