Bion's nitrogen fertilizer—Liquid AB—is produced in a patented process from the ammonia and CO₂ that are released when biogas is generated from organic waste. Liquid AB is ammonium carbonate/ bicarbonate, a nitrogen source with a long history of use in traditional farming. It is OMRI Listed (Organic Materials Review Institute), the gold standard for use in organic farming. Bion's Liquid AB is one of an emerging class of soluble nitrogen fertilizers that are immediately available to plants and will help orga ...