Pivot Bio PROVEN® 40 can replace up to 40 lbs. of synthetic nitrogen that doesn’t leach, volatilize, or denitrify. It converts atmospheric nitrogen(N2) to NH3 directly on the roots from as early as V2 through R2 – regardless of weather! Dry weather can result in reduced water movement into the corn roots – water is required to move synthetic nitrogen into the corn plant. PROVEN® 40 nitrogen moves into the root quicker and with less water because the nitrogen is produced directly on the root!