Powdered Azotobacter formulation for e.g. peat additive - comprises crude concentrate opt. diluted with Ringer's soln. and hydrophobic silicic acid

摘要

A powdered Azobacter formulation comprises 90-95 wt.% of a crude concentrate, opt. diluted with ringer's soln. and 5-10 wt.% of hydrophobic silicic acid, made pyrogenically. USE/ADVANTAGE - The formulation has a long storage life and may be added to peat, fertiliser and earth treatment compsns..