Independent trials at Rothamsted Research have shown an organo-mineral fertiliser (OMF) delivering a 27.7% grain yield increase over standard mineral nitrogen in spring barley. At the same nitrogen rate of 160kg N/ha, OMF plots produced 9t/ha compared with 7.05t/ha from mineral equivalents across sites in Harpenden, Suffolk and Devon. Based on AHDB grain prices for April 2026, … Continue reading Trials show yield uplift